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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pulsar.broker.admin.v2;

import static org.apache.pulsar.common.util.Codec.decode;
import com.fasterxml.jackson.core.JsonProcessingException;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import javax.ws.rs.DELETE;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.Encoded;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.Suspended;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.pulsar.broker.admin.impl.PersistentTopicsBase;
import org.apache.pulsar.broker.web.RestException;
import org.apache.pulsar.client.admin.LongRunningProcessStatus;
import org.apache.pulsar.client.admin.OffloadProcessStatus;
import org.apache.pulsar.client.api.MessageId;
import org.apache.pulsar.client.api.SubscriptionType;
import org.apache.pulsar.client.impl.MessageIdImpl;
import org.apache.pulsar.client.impl.ResetCursorData;
import org.apache.pulsar.common.api.proto.CommandSubscribe.SubType;
import org.apache.pulsar.common.partition.PartitionedTopicMetadata;
import org.apache.pulsar.common.policies.data.AuthAction;
import org.apache.pulsar.common.policies.data.BacklogQuota.BacklogQuotaType;
import org.apache.pulsar.common.policies.data.DelayedDeliveryPolicies;
import org.apache.pulsar.common.policies.data.InactiveTopicPolicies;
import org.apache.pulsar.common.policies.data.OffloadPoliciesImpl;
import org.apache.pulsar.common.policies.data.PersistencePolicies;
import org.apache.pulsar.common.policies.data.PersistentOfflineTopicStats;
import org.apache.pulsar.common.policies.data.PersistentTopicInternalStats;
import org.apache.pulsar.common.policies.data.PolicyName;
import org.apache.pulsar.common.policies.data.PolicyOperation;
import org.apache.pulsar.common.policies.data.PublishRate;
import org.apache.pulsar.common.policies.data.RetentionPolicies;
import org.apache.pulsar.common.policies.data.SubscribeRate;
import org.apache.pulsar.common.policies.data.TopicPolicies;
import org.apache.pulsar.common.policies.data.TopicStats;
import org.apache.pulsar.common.policies.data.impl.BacklogQuotaImpl;
import org.apache.pulsar.common.policies.data.impl.DispatchRateImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 */
@Path("/persistent")
@Produces(MediaType.APPLICATION_JSON)
@Api(value = "/persistent", description = "Persistent topic admin apis", tags = "persistent topic")
public class PersistentTopics extends PersistentTopicsBase {

    @GET
    @Path("/{tenant}/{namespace}")
    @ApiOperation(value = "Get the list of topics under a namespace.",
            response = String.class, responseContainer = "List")
    @ApiResponses(value = {
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "tenant/namespace/topic doesn't exit"),
            @ApiResponse(code = 412, message = "Namespace name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public void getList(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace) {
        try {
            validateNamespaceName(tenant, namespace);
            asyncResponse.resume(internalGetList());
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @GET
    @Path("/{tenant}/{namespace}/partitioned")
    @ApiOperation(value = "Get the list of partitioned topics under a namespace.",
            response = String.class, responseContainer = "List")
    @ApiResponses(value = {
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "tenant/namespace/topic doesn't exit"),
            @ApiResponse(code = 412, message = "Namespace name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public List getPartitionedTopicList(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace) {
        validateNamespaceName(tenant, namespace);
        return internalGetPartitionedTopicList();
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/permissions")
    @ApiOperation(value = "Get permissions on a topic.",
            notes = "Retrieve the effective permissions for a topic."
                    + " These permissions are defined by the permissions set at the"
                    + "namespace level combined (union) with any eventual specific permission set on the topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "tenant/namespace/topic doesn't exit"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public Map> getPermissionsOnTopic(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalGetPermissionsOnTopic();
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/permissions/{role}")
    @ApiOperation(value = "Grant a new permission to a role on a single topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "tenant/namespace/topic doesn't exit"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error") })
    public void grantPermissionsOnTopic(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Client role to which grant permissions", required = true)
            @PathParam("role") String role,
            @ApiParam(value = "Actions to be granted (produce,functions,consume)",
                    allowableValues = "produce,functions,consume")
                    Set actions) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalGrantPermissionsOnTopic(role, actions);
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/permissions/{role}")
    @ApiOperation(value = "Revoke permissions on a topic.",
            notes = "Revoke permissions to a role on a single topic. If the permission was not set at the topic"
                    + "level, but rather at the namespace level,"
                    + " this operation will return an error (HTTP status code 412).")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "tenant/namespace/topic doesn't exit"),
            @ApiResponse(code = 412, message = "Permissions are not set at the topic level"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public void revokePermissionsOnTopic(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Client role to which grant permissions", required = true)
            @PathParam("role") String role) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalRevokePermissionsOnTopic(role);
    }

    @PUT
    @Path("/{tenant}/{namespace}/{topic}/partitions")
    @ApiOperation(value = "Create a partitioned topic.",
            notes = "It needs to be called before creating a producer on a partitioned topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant does not exist"),
            @ApiResponse(code = 406, message = "The number of partitions should be more than 0 and"
                    + " less than or equal to maxNumPartitionsPerPartitionedTopic"),
            @ApiResponse(code = 409, message = "Partitioned topic already exist"),
            @ApiResponse(code = 412,
                    message = "Failed Reason : Name is invalid or Namespace does not have any clusters configured"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")
    })
    public void createPartitionedTopic(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "The number of partitions for the topic",
                    required = true, type = "int", defaultValue = "0")
                    int numPartitions,
            @QueryParam("createLocalTopicOnly") @DefaultValue("false") boolean createLocalTopicOnly) {
        try {
            validateGlobalNamespaceOwnership(tenant, namespace);
            validatePartitionedTopicName(tenant, namespace, encodedTopic);
            validateTopicPolicyOperation(topicName, PolicyName.PARTITION, PolicyOperation.WRITE);
            internalCreatePartitionedTopic(asyncResponse, numPartitions, createLocalTopicOnly);
        } catch (Exception e) {
            log.error("[{}] Failed to create partitioned topic {}", clientAppId(), topicName, e);
            resumeAsyncResponseExceptionally(asyncResponse, e);
        }
    }

    @PUT
    @Path("/{tenant}/{namespace}/{topic}")
    @ApiOperation(value = "Create a non-partitioned topic.",
            notes = "This is the only REST endpoint from which non-partitioned topics could be created.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 409, message = "Partitioned topic already exist"),
            @ApiResponse(code = 412,
                    message = "Failed Reason : Name is invalid or Namespace does not have any clusters configured"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")
    })
    public void createNonPartitionedTopic(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateGlobalNamespaceOwnership(tenant, namespace);
        validateTopicName(tenant, namespace, encodedTopic);
        internalCreateNonPartitionedTopic(authoritative);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/offloadPolicies")
    @ApiOperation(value = "Get offload policies on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 500, message = "Internal server error"), })
    public void getOffloadPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetOffloadPolicies(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getOffloadPolicies", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/offloadPolicies")
    @ApiOperation(value = "Set offload policies on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void setOffloadPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Offload policies for the specified topic") OffloadPoliciesImpl offloadPolicies) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetOffloadPolicies(offloadPolicies))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setOffloadPolicies", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/offloadPolicies")
    @ApiOperation(value = "Delete offload policies on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void removeOffloadPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetOffloadPolicies(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("removeOffloadPolicies", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxUnackedMessagesOnConsumer")
    @ApiOperation(value = "Get max unacked messages per consumer config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 500, message = "Internal server error"), })
    public void getMaxUnackedMessagesOnConsumer(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetMaxUnackedMessagesOnConsumer(applied))
            .thenApply(asyncResponse::resume).exceptionally(ex -> {
                handleTopicPolicyException("getMaxUnackedMessagesOnConsumer", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxUnackedMessagesOnConsumer")
    @ApiOperation(value = "Set max unacked messages per consumer config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void setMaxUnackedMessagesOnConsumer(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Max unacked messages on consumer policies for the specified topic")
                    Integer maxUnackedNum) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxUnackedMessagesOnConsumer(maxUnackedNum))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxUnackedMessagesOnConsumer", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxUnackedMessagesOnConsumer")
    @ApiOperation(value = "Delete max unacked messages per consumer config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void deleteMaxUnackedMessagesOnConsumer(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxUnackedMessagesOnConsumer(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("deleteMaxUnackedMessagesOnConsumer", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/deduplicationSnapshotInterval")
    @ApiOperation(value = "Get deduplicationSnapshotInterval config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 500, message = "Internal server error"), })
    public void getDeduplicationSnapshotInterval(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> {
                TopicPolicies topicPolicies = getTopicPolicies(topicName).orElse(new TopicPolicies());
                asyncResponse.resume(topicPolicies.getDeduplicationSnapshotIntervalSeconds());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("getDeduplicationSnapshotInterval", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/deduplicationSnapshotInterval")
    @ApiOperation(value = "Set deduplicationSnapshotInterval config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void setDeduplicationSnapshotInterval(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Interval to take deduplication snapshot for the specified topic")
                    Integer interval,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDeduplicationSnapshotInterval(interval))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setDeduplicationSnapshotInterval", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/deduplicationSnapshotInterval")
    @ApiOperation(value = "Delete deduplicationSnapshotInterval config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void deleteDeduplicationSnapshotInterval(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDeduplicationSnapshotInterval(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("deleteDeduplicationSnapshotInterval", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/inactiveTopicPolicies")
    @ApiOperation(value = "Get inactive topic policies on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 500, message = "Internal server error"), })
    public void getInactiveTopicPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetInactiveTopicPolicies(applied))
            .thenApply(asyncResponse::resume).exceptionally(ex -> {
                handleTopicPolicyException("getInactiveTopicPolicies", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/inactiveTopicPolicies")
    @ApiOperation(value = "Set inactive topic policies on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void setInactiveTopicPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "inactive topic policies for the specified topic")
            InactiveTopicPolicies inactiveTopicPolicies) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetInactiveTopicPolicies(inactiveTopicPolicies))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setInactiveTopicPolicies", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/inactiveTopicPolicies")
    @ApiOperation(value = "Delete inactive topic policies on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void deleteInactiveTopicPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetInactiveTopicPolicies(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("deleteInactiveTopicPolicies", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxUnackedMessagesOnSubscription")
    @ApiOperation(value = "Get max unacked messages per subscription config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 500, message = "Internal server error"), })
    public void getMaxUnackedMessagesOnSubscription(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetMaxUnackedMessagesOnSubscription(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getMaxUnackedMessagesOnSubscription", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxUnackedMessagesOnSubscription")
    @ApiOperation(value = "Set max unacked messages per subscription config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void setMaxUnackedMessagesOnSubscription(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Max unacked messages on subscription policies for the specified topic")
                    Integer maxUnackedNum) {
        validateTopicName(tenant, namespace, encodedTopic);
        validateTopicPolicyOperation(topicName, PolicyName.MAX_UNACKED, PolicyOperation.WRITE);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxUnackedMessagesOnSubscription(maxUnackedNum))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxUnackedMessagesOnSubscription", ex, asyncResponse);
                return null;
            });
    }



    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxUnackedMessagesOnSubscription")
    @ApiOperation(value = "Delete max unacked messages per subscription config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void deleteMaxUnackedMessagesOnSubscription(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        validateTopicPolicyOperation(topicName, PolicyName.MAX_UNACKED, PolicyOperation.WRITE);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxUnackedMessagesOnSubscription(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("deleteMaxUnackedMessagesOnSubscription", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/delayedDelivery")
    @ApiOperation(value = "Get delayed delivery messages config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 500, message = "Internal server error"), })
    public void getDelayedDeliveryPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetDelayedDeliveryPolicies(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getDelayedDeliveryPolicies", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/delayedDelivery")
    @ApiOperation(value = "Set delayed delivery messages config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void setDelayedDeliveryPolicies(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Delayed delivery policies for the specified topic")
                    DelayedDeliveryPolicies deliveryPolicies) {
        validateTopicName(tenant, namespace, encodedTopic);
        validatePoliciesReadOnlyAccess();
        validateTopicPolicyOperation(topicName, PolicyName.DELAYED_DELIVERY, PolicyOperation.WRITE);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDelayedDeliveryPolicies(deliveryPolicies))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setDelayedDeliveryPolicies", ex, asyncResponse);
                return null;
            });
    }



    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/delayedDelivery")
    @ApiOperation(value = "Set delayed delivery messages config on a topic.")
    @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"), })
    public void deleteDelayedDeliveryPolicies(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        validatePoliciesReadOnlyAccess();
        validateTopicPolicyOperation(topicName, PolicyName.DELAYED_DELIVERY, PolicyOperation.WRITE);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDelayedDeliveryPolicies(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("deleteDelayedDeliveryPolicies", ex, asyncResponse);
                return null;
            });
    }

    /**
     * It updates number of partitions of an existing non-global partitioned topic. It requires partitioned-topic to be
     * already exist and number of new partitions must be greater than existing number of partitions. Decrementing
     * number of partitions requires deletion of topic which is not supported.
     *
     * Already created partitioned producers and consumers can't see newly created partitions and it requires to
     * recreate them at application so, newly created producers and consumers can connect to newly added partitions as
     * well. Therefore, it can violate partition ordering at producers until all producers are restarted at application.
     *
     * @param tenant
     * @param namespace
     * @param encodedTopic
     * @param numPartitions
     */
    @POST
    @Path("/{tenant}/{namespace}/{topic}/partitions")
    @ApiOperation(value = "Increment partitions of an existing partitioned topic.",
            notes = "It only increments partitions of existing non-global partitioned-topic")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401,
                    message = "Don't have permission to adminisActions to be grantedtrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant does not exist"),
            @ApiResponse(code = 406, message = "The number of partitions should be more than 0 and"
                    + " less than or equal to maxNumPartitionsPerPartitionedTopic"),
            @ApiResponse(code = 409, message = "Partitioned topic does not exist"),
            @ApiResponse(code = 412, message = "Partitioned topic name is invalid"),
            @ApiResponse(code = 500, message = "Internal server error")
    })
    public void updatePartitionedTopic(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("updateLocalTopicOnly") @DefaultValue("false") boolean updateLocalTopicOnly,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "The number of partitions for the topic",
                    required = true, type = "int", defaultValue = "0")
                    int numPartitions) {
        validatePartitionedTopicName(tenant, namespace, encodedTopic);
        validatePartitionedTopicMetadata(tenant, namespace, encodedTopic);
        internalUpdatePartitionedTopic(numPartitions, updateLocalTopicOnly, authoritative);
    }


    @POST
    @Path("/{tenant}/{namespace}/{topic}/createMissedPartitions")
    @ApiOperation(value = "Create missed partitions of an existing partitioned topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message =
                    "Don't have permission to adminisActions to be grantedtrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant does not exist"),
            @ApiResponse(code = 409, message = "Partitioned topic does not exist"),
            @ApiResponse(code = 412, message = "Partitioned topic name is invalid"),
            @ApiResponse(code = 500, message = "Internal server error")
    })
    public void createMissedPartitions(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic) {

        try {
            validatePartitionedTopicName(tenant, namespace, encodedTopic);
            internalCreateMissedPartitions(asyncResponse);
        } catch (Exception e) {
            resumeAsyncResponseExceptionally(asyncResponse, e);
        }
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/partitions")
    @ApiOperation(value = "Get partitioned topic metadata.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant does not exist"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Partitioned topic name is invalid"),
            @ApiResponse(code = 500, message = "Internal server error")
    })
    public PartitionedTopicMetadata getPartitionedMetadata(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Is check configuration required to automatically create topic")
            @QueryParam("checkAllowAutoCreation") @DefaultValue("false") boolean checkAllowAutoCreation) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalGetPartitionedMetadata(authoritative, checkAllowAutoCreation);
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/partitions")
    @ApiOperation(value = "Delete a partitioned topic.",
            notes = "It will also delete all the partitions of the topic if it exists.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Partitioned topic does not exist"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Partitioned topic name is invalid"),
            @ApiResponse(code = 500, message = "Internal server error")
    })
    public void deletePartitionedTopic(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Stop all producer/consumer/replicator and delete topic forcefully",
                    defaultValue = "false", type = "boolean")
            @QueryParam("force") @DefaultValue("false") boolean force,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Delete the topic's schema storage")
            @QueryParam("deleteSchema") @DefaultValue("false") boolean deleteSchema) {
        try {
            validatePartitionedTopicName(tenant, namespace, encodedTopic);
            internalDeletePartitionedTopic(asyncResponse, authoritative, force, deleteSchema);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @PUT
    @Path("/{tenant}/{namespace}/{topic}/unload")
    @ApiOperation(value = "Unload a topic")
    @ApiResponses(value = {
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Topic name is not valid or can't find owner for topic"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration") })
    public void unloadTopic(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalUnloadTopic(asyncResponse, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}")
    @ApiOperation(value = "Delete a topic.",
            notes = "The topic cannot be deleted if delete is not forcefully and there's any active "
                    + "subscription or producer connected to the it. "
                    + "Force delete ignores connected clients and deletes topic by explicitly closing them.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Topic has active producers/subscriptions"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public void deleteTopic(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Stop all producer/consumer/replicator and delete topic forcefully",
                    defaultValue = "false", type = "boolean")
            @QueryParam("force") @DefaultValue("false") boolean force,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Delete the topic's schema storage")
            @QueryParam("deleteSchema") @DefaultValue("false") boolean deleteSchema) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalDeleteTopic(authoritative, force, deleteSchema);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/subscriptions")
    @ApiOperation(value = "Get the list of persistent subscriptions for a given topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration"),
    })
    public void getSubscriptions(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalGetSubscriptions(asyncResponse, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @GET
    @Path("{tenant}/{namespace}/{topic}/stats")
    @ApiOperation(value = "Get the stats for the topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration") })
    public TopicStats getStats(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "If return precise backlog or imprecise backlog")
            @QueryParam("getPreciseBacklog") @DefaultValue("false") boolean getPreciseBacklog,
            @ApiParam(value = "If return backlog size for each subscription, require locking on ledger so be careful "
                    + "not to use when there's heavy traffic.")
            @QueryParam("subscriptionBacklogSize") @DefaultValue("false") boolean subscriptionBacklogSize) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalGetStats(authoritative, getPreciseBacklog, subscriptionBacklogSize);
    }

    @GET
    @Path("{tenant}/{namespace}/{topic}/internalStats")
    @ApiOperation(value = "Get the internal stats for the topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration") })
    public PersistentTopicInternalStats getInternalStats(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @QueryParam("metadata") @DefaultValue("false") boolean metadata) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalGetInternalStats(authoritative, metadata);
    }

    @GET
    @Path("{tenant}/{namespace}/{topic}/internal-info")
    @ApiOperation(value = "Get the stored topic metadata.")
    @ApiResponses(value = {
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void getManagedLedgerInfo(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic")
            @Encoded String encodedTopic, @Suspended AsyncResponse asyncResponse) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalGetManagedLedgerInfo(asyncResponse, authoritative);
    }

    @GET
    @Path("{tenant}/{namespace}/{topic}/partitioned-stats")
    @ApiOperation(value = "Get the stats for the partitioned topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Partitioned topic name is invalid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")
    })
    public void getPartitionedStats(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Get per partition stats")
            @QueryParam("perPartition") @DefaultValue("true") boolean perPartition,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "If return precise backlog or imprecise backlog")
            @QueryParam("getPreciseBacklog") @DefaultValue("false") boolean getPreciseBacklog,
            @ApiParam(value = "If return backlog size for each subscription, require locking on ledger so be careful "
                    + "not to use when there's heavy traffic.")
            @QueryParam("subscriptionBacklogSize") @DefaultValue("false") boolean subscriptionBacklogSize) {
        try {
            validatePartitionedTopicName(tenant, namespace, encodedTopic);
            internalGetPartitionedStats(asyncResponse, authoritative, perPartition, getPreciseBacklog,
                    subscriptionBacklogSize);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @GET
    @Path("{tenant}/{namespace}/{topic}/partitioned-internalStats")
    @ApiOperation(hidden = true, value = "Get the stats-internal for the partitioned topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration") })
    public void getPartitionedStatsInternal(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalGetPartitionedStatsInternal(asyncResponse, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}")
    @ApiOperation(value = "Delete a subscription.",
            notes = "The subscription cannot be deleted if delete is not forcefully and"
                    + " there are any active consumers attached to it. "
                    + "Force delete ignores connected consumers and deletes subscription by explicitly closing them.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 412, message = "Subscription has active consumers"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void deleteSubscription(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Subscription to be deleted")
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "Disconnect and close all consumers and delete subscription forcefully",
                    defaultValue = "false", type = "boolean")
            @QueryParam("force") @DefaultValue("false") boolean force,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            validateTopicOwnership(topicName, authoritative);
            internalDeleteSubscription(asyncResponse, decode(encodedSubName), authoritative, force);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/skip_all")
    @ApiOperation(value = "Skip all messages on a topic subscription.",
            notes = "Completely clears the backlog on the subscription.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic or subscription does not exist"),
            @ApiResponse(code = 405, message = "Operation not allowed on non-persistent topic"),
            @ApiResponse(code = 412, message = "Can't find owner for topic"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void skipAllMessages(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Name of subscription")
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalSkipAllMessages(asyncResponse, decode(encodedSubName), authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/skip/{numMessages}")
    @ApiOperation(value = "Skipping messages on a topic subscription.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic or subscription does not exist"),
            @ApiResponse(code = 405, message = "Skipping messages on a partitioned topic is not allowed"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")
    })
    public void skipMessages(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Name of subscription")
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "The number of messages to skip", defaultValue = "0")
            @PathParam("numMessages") int numMessages,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalSkipMessages(decode(encodedSubName), numMessages, authoritative);
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/expireMessages/{expireTimeInSeconds}")
    @ApiOperation(value = "Expiry messages on a topic subscription.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic or subscription does not exist"),
            @ApiResponse(code = 405, message = "Expiry messages on a non-persistent topic is not allowed"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void expireTopicMessages(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Subscription to be Expiry messages on")
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "Expires beyond the specified number of seconds", defaultValue = "0")
            @PathParam("expireTimeInSeconds") int expireTimeInSeconds,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalExpireMessagesByTimestamp(asyncResponse, decode(encodedSubName),
                    expireTimeInSeconds, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/expireMessages")
    @ApiOperation(value = "Expiry messages on a topic subscription.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic or subscription does not exist"),
            @ApiResponse(code = 405, message = "Expiry messages on a non-persistent topic is not allowed"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void expireTopicMessages(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Subscription to be Expiry messages on")
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(name = "messageId", value = "messageId to reset back to (ledgerId:entryId)")
            ResetCursorData resetCursorData) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalExpireMessagesByPosition(asyncResponse, decode(encodedSubName), authoritative,
            new MessageIdImpl(resetCursorData.getLedgerId(),
                    resetCursorData.getEntryId(), resetCursorData.getPartitionIndex())
            , resetCursorData.isExcluded(), resetCursorData.getBatchIndex());
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/all_subscription/expireMessages/{expireTimeInSeconds}")
    @ApiOperation(value = "Expiry messages on all subscriptions of topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic or subscription does not exist"),
            @ApiResponse(code = 405, message = "Expiry messages on a non-persistent topic is not allowed"),
            @ApiResponse(code = 412, message = "Can't find owner for topic"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void expireMessagesForAllSubscriptions(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Expires beyond the specified number of seconds", defaultValue = "0")
            @PathParam("expireTimeInSeconds") int expireTimeInSeconds,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalExpireMessagesForAllSubscriptions(asyncResponse, expireTimeInSeconds, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @PUT
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subscriptionName}")
    @ApiOperation(value = "Create a subscription on the topic.",
            notes = "Creates a subscription on the topic at the specified message id")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 400, message = "Create subscription on non persistent topic is not supported"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic/Subscription does not exist"),
            @ApiResponse(code = 405, message = "Not supported for partitioned topics"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void createSubscription(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String topic,
            @ApiParam(value = "Subscription to create position on", required = true)
            @PathParam("subscriptionName") String encodedSubName,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(name = "messageId", value = "messageId where to create the subscription. "
                    + "It can be 'latest', 'earliest' or (ledgerId:entryId)",
                    defaultValue = "latest",
                    allowableValues = "latest, earliest, ledgerId:entryId"
            )
                    MessageIdImpl messageId,
            @ApiParam(value = "Is replicated required to perform this operation")
            @QueryParam("replicated") boolean replicated
    ) {
        try {
            validateTopicName(tenant, namespace, topic);
            if (!topicName.isPersistent()) {
                throw new RestException(Response.Status.BAD_REQUEST, "Create subscription on non-persistent topic"
                        + "can only be done through client");
            }
            internalCreateSubscription(asyncResponse, decode(encodedSubName), messageId, authoritative, replicated);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/resetcursor/{timestamp}")
    @ApiOperation(value = "Reset subscription to message position closest to absolute timestamp (in ms).",
            notes = "It fence cursor and disconnects all active consumers before reseting cursor.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic/Subscription does not exist"),
            @ApiResponse(code = 405, message = "Method Not Allowed"),
            @ApiResponse(code = 412, message = "Failed to reset cursor on subscription or "
                    + "Unable to find position for timestamp specified"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")
    })
    public void resetCursor(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Subscription to reset position on", required = true)
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "the timestamp to reset back")
            @PathParam("timestamp") long timestamp,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalResetCursor(asyncResponse, decode(encodedSubName), timestamp, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/resetcursor")
    @ApiOperation(value = "Reset subscription to message position closest to given position.",
            notes = "It fence cursor and disconnects all active consumers before reseting cursor.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic/Subscription does not exist"),
            @ApiResponse(code = 405, message = "Not supported for partitioned topics"),
            @ApiResponse(code = 412, message = "Unable to find position for position specified"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void resetCursorOnPosition(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(name = "subName", value = "Subscription to reset position on", required = true)
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(name = "messageId", value = "messageId to reset back to (ledgerId:entryId)")
                    ResetCursorData resetCursorData) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalResetCursorOnPosition(asyncResponse, decode(encodedSubName), authoritative
                    , new MessageIdImpl(resetCursorData.getLedgerId(),
                            resetCursorData.getEntryId(), resetCursorData.getPartitionIndex())
                    , resetCursorData.isExcluded(), resetCursorData.getBatchIndex());
        } catch (Exception e) {
            resumeAsyncResponseExceptionally(asyncResponse, e);
        }
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/position/{messagePosition}")
    @ApiOperation(value = "Peek nth message on a topic subscription.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic, subscription or the message position does not exist"),
            @ApiResponse(code = 405, message = "Skipping messages on a non-persistent topic is not allowed"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public Response peekNthMessage(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(name = "subName", value = "Subscribed message expired", required = true)
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "The number of messages (default 1)", defaultValue = "1")
            @PathParam("messagePosition") int messagePosition,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalPeekNthMessage(decode(encodedSubName), messagePosition, authoritative);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/examinemessage")
    @ApiOperation(value =
            "Examine a specific message on a topic by position relative to the earliest or the latest message.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic, the message position does not exist"),
            @ApiResponse(code = 405, message = "If given partitioned topic"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public Response examineMessage(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(name = "initialPosition", value = "Relative start position to examine message."
                    + "It can be 'latest' or 'earliest'",
                    defaultValue = "latest",
                    allowableValues = "latest, earliest"
            )
            @QueryParam("initialPosition") String initialPosition,
            @ApiParam(value = "The position of messages (default 1)", defaultValue = "1")
            @QueryParam("messagePosition") long messagePosition,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalExamineMessage(initialPosition, messagePosition, authoritative);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/ledger/{ledgerId}/entry/{entryId}")
    @ApiOperation(value = "Get message by its messageId.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic, subscription or the message position does not exist"),
            @ApiResponse(code = 405, message = "Skipping messages on a non-persistent topic is not allowed"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void getMessageById(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "The ledger id", required = true)
            @PathParam("ledgerId") long ledgerId,
            @ApiParam(value = "The entry id", required = true)
            @PathParam("entryId") long entryId,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalGetMessageById(asyncResponse, ledgerId, entryId, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/messageid/{timestamp}")
    @ApiOperation(value = "Get message ID published at or just after this absolute timestamp (in ms).")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Topic is not non-partitioned and persistent"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void getMessageIdByTimestamp(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Specify the timestamp", required = true)
            @PathParam("timestamp") long timestamp,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalGetMessageIdByTimestamp(timestamp, authoritative)
                .thenAccept(messageId -> {
                    if (messageId == null) {
                        asyncResponse.resume(new RestException(Response.Status.NOT_FOUND, "Message ID not found"));
                    } else {
                        asyncResponse.resume(messageId);
                    }
                })
                .exceptionally(ex -> {
                    log.error("[{}] Failed to get message ID by timestamp {} from {}",
                            clientAppId(), timestamp, topicName, ex);
                    resumeAsyncResponseExceptionally(asyncResponse, ex);
                    return null;
                });
    }

    @GET
    @Path("{tenant}/{namespace}/{topic}/backlog")
    @ApiOperation(value = "Get estimated backlog for offline topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 404, message = "Namespace does not exist"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration") })
    public PersistentOfflineTopicStats getBacklog(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalGetBacklog(authoritative);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/backlogQuotaMap")
    @ApiOperation(value = "Get backlog quota map on a topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic policy does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry")})
    public void getBacklogQuotaMap(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenAccept(__ -> asyncResponse.resume(internalGetBacklogQuota(applied)))
            .exceptionally(ex -> {
                handleTopicPolicyException("getBacklogQuotaMap", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/backlogQuota")
    @ApiOperation(value = "Set a backlog quota for a topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 412, message = "Specified backlog quota exceeds retention quota."
                    + " Increase retention quota and retry request")})
    public void setBacklogQuota(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant, @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @QueryParam("backlogQuotaType") BacklogQuotaType backlogQuotaType, BacklogQuotaImpl backlogQuota) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetBacklogQuota(backlogQuotaType, backlogQuota))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setBacklogQuota", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/backlogQuota")
    @ApiOperation(value = "Remove a backlog quota policy from a topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeBacklogQuota(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant, @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("backlogQuotaType") BacklogQuotaType backlogQuotaType,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetBacklogQuota(backlogQuotaType, null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("removeBacklogQuota", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/messageTTL")
    @ApiOperation(value = "Get message TTL in seconds for a topic")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message =
                    "Topic level policy is disabled, enable the topic level policy and retry")})
    public void getMessageTTL(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenAccept(__ ->
                asyncResponse.resume(getTopicPolicies(topicName)
                    .map(TopicPolicies::getMessageTTLInSeconds)
                    .orElseGet(() -> {
                        if (applied) {
                            Integer otherLevelTTL = getNamespacePolicies(namespaceName).message_ttl_in_seconds;
                            return otherLevelTTL == null ? pulsar().getConfiguration().getTtlDurationDefaultInSeconds()
                                    : otherLevelTTL;
                        }
                        return null;
                    }))
            )
            .exceptionally(ex -> {
                handleTopicPolicyException("getMessageTTL", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/messageTTL")
    @ApiOperation(value = "Set message TTL in seconds for a topic")
    @ApiResponses(value = {@ApiResponse(code = 403, message =
            "Not authenticate to perform the request or policy is read only"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message =
                    "Topic level policy is disabled, enable the topic level policy and retry"),
            @ApiResponse(code = 412, message = "Invalid message TTL value")})
    public void setMessageTTL(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "TTL in seconds for the specified namespace", required = true)
            @QueryParam("messageTTL") Integer messageTTL,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMessageTTL(messageTTL))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setMessageTTL", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/messageTTL")
    @ApiOperation(value = "Remove message TTL in seconds for a topic")
    @ApiResponses(value = {
            @ApiResponse(code = 403,
                    message = "Not authenticate to perform the request or policy is read only"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, enable the topic level policy and retry"),
            @ApiResponse(code = 412, message = "Invalid message TTL value")})
    public void removeMessageTTL(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMessageTTL(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("removeMessageTTL", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/deduplicationEnabled")
    @ApiOperation(value = "Get deduplication configuration of a topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry")})
    public void getDeduplication(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetDeduplication(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getDeduplication", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/deduplicationEnabled")
    @ApiOperation(value = "Set deduplication enabled on a topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry")})
    public void setDeduplication(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "DeduplicationEnabled policies for the specified topic")
                    Boolean enabled) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDeduplication(enabled))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("setDeduplication", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/deduplicationEnabled")
    @ApiOperation(value = "Remove deduplication configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Tenant or cluster or namespace or topic doesn't exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeDeduplication(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDeduplication(null))
            .thenRun(() -> asyncResponse.resume(Response.noContent().build()))
            .exceptionally(ex -> {
                handleTopicPolicyException("removeDeduplication", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/retention")
    @ApiOperation(value = "Get retention configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getRetention(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> asyncResponse.resume(internalGetRetention(applied)))
            .exceptionally(ex -> {
                handleTopicPolicyException("getRetention", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/retention")
    @ApiOperation(value = "Set retention configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message =
                    "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Retention Quota must exceed backlog quota")})
    public void setRetention(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Retention policies for the specified namespace") RetentionPolicies retention) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetRetention(retention))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully updated retention: namespace={}, topic={}, retention={}",
                            clientAppId(),
                            namespaceName,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(retention));
                } catch (JsonProcessingException ignore) {
                }
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setRetention", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/retention")
    @ApiOperation(value = "Remove retention configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Retention Quota must exceed backlog quota")})
    public void removeRetention(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveRetention())
            .thenRun(() -> {
                log.info("[{}] Successfully remove retention: namespace={}, topic={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeRetention", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/persistence")
    @ApiOperation(value = "Get configuration of persistence policies for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getPersistence(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetPersistence(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getPersistence", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/persistence")
    @ApiOperation(value = "Set configuration of persistence policies for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 400, message = "Invalid persistence policies")})
    public void setPersistence(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Bookkeeper persistence policies for specified topic")
            PersistencePolicies persistencePolicies) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetPersistence(persistencePolicies))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully updated persistence policies: "
                                    + "namespace={}, topic={}, persistencePolicies={}",
                            clientAppId(),
                            namespaceName,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(persistencePolicies));
                } catch (JsonProcessingException ignore) {
                }
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setPersistence", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/persistence")
    @ApiOperation(value = "Remove configuration of persistence policies for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removePersistence(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemovePersistence())
            .thenRun(() -> {
                log.info("[{}] Successfully remove persistence policies: namespace={}, topic={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removePersistence", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxSubscriptionsPerTopic")
    @ApiOperation(value = "Get maxSubscriptionsPerTopic config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getMaxSubscriptionsPerTopic(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> {
                Optional maxSubscriptionsPerTopic = internalGetMaxSubscriptionsPerTopic();
                asyncResponse.resume(maxSubscriptionsPerTopic.isPresent() ? maxSubscriptionsPerTopic.get()
                        : Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("getMaxSubscriptions", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxSubscriptionsPerTopic")
    @ApiOperation(value = "Set maxSubscriptionsPerTopic config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Invalid value of maxSubscriptionsPerTopic")})
    public void setMaxSubscriptionsPerTopic(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "The max subscriptions of the topic") int maxSubscriptionsPerTopic) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxSubscriptionsPerTopic(maxSubscriptionsPerTopic))
            .thenRun(() -> {
                log.info("[{}] Successfully updated maxSubscriptionsPerTopic: namespace={}, topic={}"
                                + ", maxSubscriptions={}"
                        , clientAppId(), namespaceName, topicName.getLocalName(), maxSubscriptionsPerTopic);
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxSubscriptions", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxSubscriptionsPerTopic")
    @ApiOperation(value = "Remove maxSubscriptionsPerTopic config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeMaxSubscriptionsPerTopic(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxSubscriptionsPerTopic(null))
            .thenRun(() -> {
                log.info("[{}] Successfully remove maxSubscriptionsPerTopic: namespace={}, topic={}",
                        clientAppId(), namespaceName, topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeMaxSubscriptions", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/replicatorDispatchRate")
    @ApiOperation(value = "Get replicatorDispatchRate config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getReplicatorDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetReplicatorDispatchRate(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getReplicatorDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/replicatorDispatchRate")
    @ApiOperation(value = "Set replicatorDispatchRate config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Invalid value of replicatorDispatchRate")})
    public void setReplicatorDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Replicator dispatch rate of the topic") DispatchRateImpl dispatchRate) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetReplicatorDispatchRate(dispatchRate))
            .thenRun(() -> {
                log.info("[{}] Successfully updated replicatorDispatchRate: namespace={}, topic={}"
                                + ", replicatorDispatchRate={}",
                        clientAppId(), namespaceName, topicName.getLocalName(), dispatchRate);
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setReplicatorDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/replicatorDispatchRate")
    @ApiOperation(value = "Remove replicatorDispatchRate config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeReplicatorDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetReplicatorDispatchRate(null))
            .thenRun(() -> {
                log.info("[{}] Successfully remove replicatorDispatchRate limit: namespace={}, topic={}",
                        clientAppId(), namespaceName, topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeReplicatorDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxProducers")
    @ApiOperation(value = "Get maxProducers config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getMaxProducers(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetMaxProducers(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getMaxProducers", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxProducers")
    @ApiOperation(value = "Set maxProducers config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Invalid value of maxProducers")})
    public void setMaxProducers(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "The max producers of the topic") int maxProducers) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxProducers(maxProducers))
            .thenRun(() -> {
                log.info("[{}] Successfully updated max producers: namespace={}, topic={}, maxProducers={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName(),
                        maxProducers);
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxProducers", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxProducers")
    @ApiOperation(value = "Remove maxProducers config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeMaxProducers(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveMaxProducers())
            .thenRun(() -> {
                log.info("[{}] Successfully remove max producers: namespace={}, topic={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeMaxProducers", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxConsumers")
    @ApiOperation(value = "Get maxConsumers config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getMaxConsumers(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetMaxConsumers(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getMaxConsumers", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxConsumers")
    @ApiOperation(value = "Set maxConsumers config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Invalid value of maxConsumers")})
    public void setMaxConsumers(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "The max consumers of the topic") int maxConsumers) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxConsumers(maxConsumers))
            .thenRun(() -> {
                log.info("[{}] Successfully updated max consumers: namespace={}, topic={}, maxConsumers={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName(),
                        maxConsumers);
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxConsumers", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxConsumers")
    @ApiOperation(value = "Remove maxConsumers config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeMaxConsumers(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveMaxConsumers())
            .thenRun(() -> {
                log.info("[{}] Successfully remove max consumers: namespace={}, topic={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeMaxConsumers", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxMessageSize")
    @ApiOperation(value = "Get maxMessageSize config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getMaxMessageSize(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> {
                Optional policies = internalGetMaxMessageSize();
                asyncResponse.resume(policies.isPresent() ? policies.get() : Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("getMaxMessageSize", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxMessageSize")
    @ApiOperation(value = "Set maxMessageSize config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification"),
            @ApiResponse(code = 412, message = "Invalid value of maxConsumers")})
    public void setMaxMessageSize(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "The max message size of the topic") int maxMessageSize) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxMessageSize(maxMessageSize))
            .thenRun(() -> {
                log.info("[{}] Successfully set max message size: namespace={}, topic={}, maxMessageSiz={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName(),
                        maxMessageSize);
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxMessageSize", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxMessageSize")
    @ApiOperation(value = "Remove maxMessageSize config for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, to enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeMaxMessageSize(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxMessageSize(null))
            .thenRun(() -> {
                log.info("[{}] Successfully remove max message size: namespace={}, topic={}",
                        clientAppId(),
                        namespaceName,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeMaxMessageSize", ex, asyncResponse);
                return null;
            });
    }


    @POST
    @Path("/{tenant}/{namespace}/{topic}/terminate")
    @ApiOperation(value = "Terminate a topic. A topic that is terminated will not accept any more "
            + "messages to be published and will let consumer to drain existing messages in backlog")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Termination of a partitioned topic is not allowed"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public MessageId terminate(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalTerminate(authoritative);
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/terminate/partitions")
    @ApiOperation(value = "Terminate all partitioned topic. A topic that is terminated will not accept any more "
            + "messages to be published and will let consumer to drain existing messages in backlog")
    @ApiResponses(value = {
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Termination of a partitioned topic is not allowed"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void terminatePartitionedTopic(@Suspended final AsyncResponse asyncResponse,
                                          @ApiParam(value = "Specify the tenant", required = true)
                                          @PathParam("tenant") String tenant,
                                          @ApiParam(value = "Specify the namespace", required = true)
                                          @PathParam("namespace") String namespace,
                                          @ApiParam(value = "Specify topic name", required = true)
                                          @PathParam("topic") @Encoded String encodedTopic,
                                          @ApiParam(value = "Is authentication required to perform this operation")
                                          @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        internalTerminatePartitionedTopic(asyncResponse, authoritative);
    }

    @PUT
    @Path("/{tenant}/{namespace}/{topic}/compaction")
    @ApiOperation(value = "Trigger a compaction operation on a topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Operation is not allowed on the persistent topic"),
            @ApiResponse(code = 409, message = "Compaction already running"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void compact(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalTriggerCompaction(asyncResponse, authoritative);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/compaction")
    @ApiOperation(value = "Get the status of a compaction operation for a topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist, or compaction hasn't run"),
            @ApiResponse(code = 405, message = "Operation is not allowed on the persistent topic"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public LongRunningProcessStatus compactionStatus(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalCompactionStatus(authoritative);
    }

    @PUT
    @Path("/{tenant}/{namespace}/{topic}/offload")
    @ApiOperation(value = "Offload a prefix of a topic to long term storage")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 400, message = "Message ID is null"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Operation is not allowed on the persistent topic"),
            @ApiResponse(code = 409, message = "Offload already running"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void triggerOffload(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
                               MessageIdImpl messageId) {
        if (messageId == null) {
            throw new RestException(Response.Status.BAD_REQUEST, "messageId is null");
        }
        validateTopicName(tenant, namespace, encodedTopic);
        internalTriggerOffload(authoritative, messageId);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/offload")
    @ApiOperation(value = "Offload a prefix of a topic to long term storage")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Operation is not allowed on the persistent topic"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public OffloadProcessStatus offloadStatus(
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        return internalOffloadStatus(authoritative);
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/lastMessageId")
    @ApiOperation(value = "Return the last commit message id of topic")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or"
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405, message = "Operation is not allowed on the persistent topic"),
            @ApiResponse(code = 412, message = "Topic name is not valid"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void getLastMessageId(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalGetLastMessageId(asyncResponse, authoritative);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/dispatchRate")
    @ApiOperation(value = "Get dispatch rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetDispatchRate(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/dispatchRate")
    @ApiOperation(value = "Set message dispatch rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Dispatch rate for the specified topic") DispatchRateImpl dispatchRate) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetDispatchRate(dispatchRate))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic dispatch rate:"
                                    + " tenant={}, namespace={}, topic={}, dispatchRate={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(dispatchRate));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/dispatchRate")
    @ApiOperation(value = "Remove message dispatch rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveDispatchRate())
            .thenRun(() -> {
                log.info("[{}] Successfully remove topic dispatch rate: tenant={}, namespace={}, topic={}",
                        clientAppId(),
                        tenant,
                        namespace,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/subscriptionDispatchRate")
    @ApiOperation(value = "Get subscription message dispatch rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getSubscriptionDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetSubscriptionDispatchRate(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getSubscriptionDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscriptionDispatchRate")
    @ApiOperation(value = "Set subscription message dispatch rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setSubscriptionDispatchRate(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Subscription message dispatch rate for the specified topic")
                    DispatchRateImpl dispatchRate) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetSubscriptionDispatchRate(dispatchRate))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic subscription dispatch rate:"
                                    + " tenant={}, namespace={}, topic={}, dispatchRate={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(dispatchRate));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setSubscriptionDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/subscriptionDispatchRate")
    @ApiOperation(value = "Remove subscription message dispatch rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeSubscriptionDispatchRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveSubscriptionDispatchRate())
            .thenRun(() -> {
                log.info("[{}] Successfully remove topic subscription dispatch rate: tenant={}, namespace={}, topic={}",
                        clientAppId(),
                        tenant,
                        namespace,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeSubscriptionDispatchRate", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/compactionThreshold")
    @ApiOperation(value = "Get compaction threshold configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getCompactionThreshold(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalGetCompactionThreshold(applied))
            .thenApply(asyncResponse::resume)
            .exceptionally(ex -> {
                handleTopicPolicyException("getCompactionThreshold", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/compactionThreshold")
    @ApiOperation(value = "Set compaction threshold configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setCompactionThreshold(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Dispatch rate for the specified topic") long compactionThreshold) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetCompactionThreshold(compactionThreshold))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic compaction threshold:"
                                    + " tenant={}, namespace={}, topic={}, compactionThreshold={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(compactionThreshold));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setCompactionThreshold", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/compactionThreshold")
    @ApiOperation(value = "Remove compaction threshold configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeCompactionThreshold(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveCompactionThreshold())
            .thenRun(() -> {
                log.info("[{}] Successfully remove topic compaction threshold: tenant={}, namespace={}, topic={}",
                        clientAppId(),
                        tenant,
                        namespace,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeCompactionThreshold", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/maxConsumersPerSubscription")
    @ApiOperation(value = "Get max consumers per subscription configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getMaxConsumersPerSubscription(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> {
                Optional maxConsumersPerSubscription = internalGetMaxConsumersPerSubscription();
                asyncResponse.resume(maxConsumersPerSubscription.isPresent() ? maxConsumersPerSubscription.get()
                        : Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("getMaxConsumersPerSubscription", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/maxConsumersPerSubscription")
    @ApiOperation(value = "Set max consumers per subscription configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setMaxConsumersPerSubscription(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Dispatch rate for the specified topic") int maxConsumersPerSubscription) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetMaxConsumersPerSubscription(maxConsumersPerSubscription))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic max consumers per subscription:"
                                    + " tenant={}, namespace={}, topic={}, maxConsumersPerSubscription={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(maxConsumersPerSubscription));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setMaxConsumersPerSubscription", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/maxConsumersPerSubscription")
    @ApiOperation(value = "Remove max consumers per subscription configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeMaxConsumersPerSubscription(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveMaxConsumersPerSubscription())
            .thenRun(() -> {
                log.info("[{}] Successfully remove topic max consumers per subscription:"
                                + " tenant={}, namespace={}, topic={}",
                        clientAppId(),
                        tenant,
                        namespace,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeMaxConsumersPerSubscription", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/publishRate")
    @ApiOperation(value = "Get publish rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getPublishRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> {
                Optional publishRate = internalGetPublishRate();
                asyncResponse.resume(publishRate.isPresent() ? publishRate.get()
                        : Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("getPublishRate", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/publishRate")
    @ApiOperation(value = "Set message publish rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setPublishRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Dispatch rate for the specified topic") PublishRate publishRate) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetPublishRate(publishRate))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic publish rate:"
                                    + " tenant={}, namespace={}, topic={}, publishRate={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(publishRate));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setPublishRate", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/publishRate")
    @ApiOperation(value = "Remove message publish rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removePublishRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemovePublishRate())
            .thenRun(() -> {
                log.info("[{}] Successfully remove topic publish rate: tenant={}, namespace={}, topic={}",
                        clientAppId(),
                        tenant,
                        namespace,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removePublishRate", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/subscriptionTypesEnabled")
    @ApiOperation(value = "Get is enable sub type fors specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getSubscriptionTypesEnabled(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenRun(() -> {
                Optional> subscriptionTypesEnabled = internalGetSubscriptionTypesEnabled();
                asyncResponse.resume(subscriptionTypesEnabled.isPresent() ? subscriptionTypesEnabled.get()
                        : Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("getSubscriptionTypesEnabled", ex, asyncResponse);
                return null;
            });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscriptionTypesEnabled")
    @ApiOperation(value = "Set is enable sub types for specified topic")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setSubscriptionTypesEnabled(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Enable sub types for the specified topic")
            Set subscriptionTypesEnabled) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetSubscriptionTypesEnabled(subscriptionTypesEnabled))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic is enabled sub types :"
                                    + " tenant={}, namespace={}, topic={}, subscriptionTypesEnabled={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(subscriptionTypesEnabled));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setSubscriptionTypesEnabled", ex, asyncResponse);
                return null;
            });
    }

    @GET
    @Path("/{tenant}/{namespace}/{topic}/subscribeRate")
    @ApiOperation(value = "Get subscribe rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void getSubscribeRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("applied") boolean applied,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
                .thenCompose(__ -> internalGetSubscribeRate(applied))
                .thenApply(asyncResponse::resume).exceptionally(ex -> {
            handleTopicPolicyException("getSubscribeRate", ex, asyncResponse);
            return null;
        });
    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscribeRate")
    @ApiOperation(value = "Set subscribe rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void setSubscribeRate(
            @Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Subscribe rate for the specified topic") SubscribeRate subscribeRate) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalSetSubscribeRate(subscribeRate))
            .thenRun(() -> {
                try {
                    log.info("[{}] Successfully set topic subscribe rate:"
                                    + " tenant={}, namespace={}, topic={}, subscribeRate={}",
                            clientAppId(),
                            tenant,
                            namespace,
                            topicName.getLocalName(),
                            jsonMapper().writeValueAsString(subscribeRate));
                } catch (JsonProcessingException ignore) {}
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("setSubscribeRate", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/subscribeRate")
    @ApiOperation(value = "Remove subscribe rate configuration for specified topic.")
    @ApiResponses(value = {@ApiResponse(code = 403, message = "Topic does not exist"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 405,
                    message = "Topic level policy is disabled, please enable the topic level policy and retry"),
            @ApiResponse(code = 409, message = "Concurrent modification")})
    public void removeSubscribeRate(@Suspended final AsyncResponse asyncResponse,
            @PathParam("tenant") String tenant,
            @PathParam("namespace") String namespace,
            @PathParam("topic") @Encoded String encodedTopic,
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Subscribe rate for the specified topic") SubscribeRate subscribeRate) {
        validateTopicName(tenant, namespace, encodedTopic);
        preValidation(authoritative)
            .thenCompose(__ -> internalRemoveSubscribeRate())
            .thenRun(() -> {
                log.info("[{}] Successfully remove topic subscribe rate: tenant={}, namespace={}, topic={}",
                        clientAppId(),
                        tenant,
                        namespace,
                        topicName.getLocalName());
                asyncResponse.resume(Response.noContent().build());
            })
            .exceptionally(ex -> {
                handleTopicPolicyException("removeSubscribeRate", ex, asyncResponse);
                return null;
            });
    }

    @DELETE
    @Path("/{tenant}/{namespace}/{topic}/truncate")
    @ApiOperation(value = "Truncate a topic.",
            notes = "The truncate operation will move all cursors to the end of the topic "
                    + "and delete all inactive ledgers.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic does not exist"),
            @ApiResponse(code = 500, message = "Internal server error")})
    public void truncateTopic(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative){
        validateTopicName(tenant, namespace, encodedTopic);
        internalTruncateTopic(asyncResponse, authoritative);

    }

    @POST
    @Path("/{tenant}/{namespace}/{topic}/subscription/{subName}/replicatedSubscriptionStatus")
    @ApiOperation(value = "Enable or disable a replicated subscription on a topic.")
    @ApiResponses(value = {
            @ApiResponse(code = 307, message = "Current broker doesn't serve the namespace of this topic"),
            @ApiResponse(code = 401, message = "Don't have permission to administrate resources on this tenant or "
                    + "subscriber is not authorized to access this operation"),
            @ApiResponse(code = 403, message = "Don't have admin permission"),
            @ApiResponse(code = 404, message = "Topic or subscription does not exist"),
            @ApiResponse(code = 405, message = "Operation not allowed on this topic"),
            @ApiResponse(code = 412, message = "Can't find owner for topic"),
            @ApiResponse(code = 500, message = "Internal server error"),
            @ApiResponse(code = 503, message = "Failed to validate global cluster configuration")})
    public void setReplicatedSubscriptionStatus(
            @Suspended final AsyncResponse asyncResponse,
            @ApiParam(value = "Specify the tenant", required = true)
            @PathParam("tenant") String tenant,
            @ApiParam(value = "Specify the namespace", required = true)
            @PathParam("namespace") String namespace,
            @ApiParam(value = "Specify topic name", required = true)
            @PathParam("topic") @Encoded String encodedTopic,
            @ApiParam(value = "Name of subscription", required = true)
            @PathParam("subName") String encodedSubName,
            @ApiParam(value = "Is authentication required to perform this operation")
            @QueryParam("authoritative") @DefaultValue("false") boolean authoritative,
            @ApiParam(value = "Whether to enable replicated subscription", required = true)
            boolean enabled) {
        try {
            validateTopicName(tenant, namespace, encodedTopic);
            internalSetReplicatedSubscriptionStatus(asyncResponse, decode(encodedSubName), authoritative, enabled);
        } catch (WebApplicationException wae) {
            asyncResponse.resume(wae);
        } catch (Exception e) {
            asyncResponse.resume(new RestException(e));
        }
    }

    private static final Logger log = LoggerFactory.getLogger(PersistentTopics.class);
}




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