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/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.client.impl.protocol.template;
import com.hazelcast.annotation.GenerateCodec;
import com.hazelcast.annotation.Request;
import com.hazelcast.client.impl.protocol.constants.ResponseMessageConst;
import com.hazelcast.client.impl.protocol.constants.EventMessageConst;
import com.hazelcast.nio.serialization.Data;
@GenerateCodec(id = TemplateConstants.CONTINUOUS_QUERY_TEMPLATE_ID, name = "ContinuousQuery", ns = "Hazelcast.Client.Protocol.Codec")
public interface ContinuousQueryCodecTemplate {
/**
* @param mapName Name of the map.
* @param cacheName Name of the cache for query cache.
* @param predicate The predicate to filter events which will be applied to the QueryCache.
* @param batchSize The size of batch. After reaching this minimum size, node immediately sends buffered events to QueryCache.
* @param bufferSize Maximum number of events which can be stored in a buffer of partition.
* @param delaySeconds The minimum number of delay seconds which an event waits in the buffer of node.
* @param populate Flag to enable/disable initial population of the QueryCache.
* @param coalesce Flag to enable/disable coalescing. If true, then only the last updated value for a key is placed in the
* batch, otherwise all changed values are included in the update.
* @return Array of key-value pairs.
*/
@Request(id = 1, retryable = true, response = ResponseMessageConst.LIST_ENTRY)
Object publisherCreateWithValue(String mapName, String cacheName, Data predicate, int batchSize, int bufferSize,
long delaySeconds, boolean populate, boolean coalesce);
/**
* @param mapName Name of the map.
* @param cacheName Name of query cache.
* @param predicate The predicate to filter events which will be applied to the QueryCache.
* @param batchSize The size of batch. After reaching this minimum size, node immediately sends buffered events to QueryCache.
* @param bufferSize Maximum number of events which can be stored in a buffer of partition.
* @param delaySeconds The minimum number of delay seconds which an event waits in the buffer of node.
* @param populate Flag to enable/disable initial population of the QueryCache.
* @param coalesce Flag to enable/disable coalescing. If true, then only the last updated value for a key is placed in the
* batch, otherwise all changed values are included in the update.
* @return Array of keys.
*/
@Request(id = 2, retryable = true, response = ResponseMessageConst.LIST_DATA)
Object publisherCreate(String mapName, String cacheName, Data predicate, int batchSize, int bufferSize, long delaySeconds,
boolean populate, boolean coalesce);
/**
* @param mapName Name of the map.
* @param cacheName Name of query cache.
* @return True if successfully set as publishable, false otherwise.
*/
@Request(id = 3, retryable = true, response = ResponseMessageConst.BOOLEAN)
Object madePublishable(String mapName, String cacheName);
/**
* @param listenerName Name of the MapListener which will be used to listen this QueryCache
* @param localOnly if true fires events that originated from this node only, otherwise fires all events
* @return Registration id for the listener.
*/
@Request(id = 4, retryable = false, response = ResponseMessageConst.STRING,
event = {EventMessageConst.EVENT_QUERYCACHESINGLE, EventMessageConst.EVENT_QUERYCACHEBATCH})
Object addListener(String listenerName, boolean localOnly);
/**
* This method can be used to recover from a possible event loss situation.
* This method tries to make consistent the data in this `QueryCache` with the data in the underlying `IMap`
* by replaying the events after last consistently received ones. As a result of this replaying logic, same event may
* appear more than once to the `QueryCache` listeners.
* This method returns `false` if the event is not in the buffer of event publisher side. That means recovery is not
* possible.
*
* @param mapName Name of the map.
* @param cacheName Name of query cache.
* @param sequence The cursor position of the accumulator to be set.
* @return True if the cursor position could be set, false otherwise.
*/
@Request(id = 5, retryable = false, response = ResponseMessageConst.BOOLEAN, partitionIdentifier = "associated key")
Object setReadCursor(String mapName, String cacheName, long sequence);
/**
* @param mapName Name of the map.
* @param cacheName Name of query cache.
* @return True if all cache is destroyed, false otherwise.
*/
@Request(id = 6, retryable = false, response = ResponseMessageConst.BOOLEAN)
Object destroyCache(String mapName, String cacheName);
}
