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/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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.mongodb.session;

import com.mongodb.ClientSessionOptions;
import com.mongodb.ServerAddress;
import com.mongodb.annotations.NotThreadSafe;
import com.mongodb.lang.Nullable;
import org.bson.BsonDocument;
import org.bson.BsonTimestamp;
import java.io.Closeable;

/**
 *  A client session.
 *
 *  @mongodb.server.release 3.6
 *  @since 3.6
 *  @see ClientSessionOptions
 *
 * @deprecated Usage of this API is not supported in AEM as a Cloud Service.
 */
@NotThreadSafe
@Deprecated(since = "2021-05-27")
public interface ClientSession extends Closeable {

    /**
     * Get the server address of the pinned mongos on this session.
     * For internal use only.
     *
     * @return the server address of the pinned mongos
     * @mongodb.server.release 4.2
     * @since 3.11
     */
    @Nullable
    ServerAddress getPinnedServerAddress();

    /**
     * Set the server address of the pinned mongos.
     * For internal use only.
     *
     * @param address the server address to pin
     * @mongodb.server.release 4.2
     * @since 3.11
     */
    void setPinnedServerAddress(ServerAddress address);

    /**
     * Get the recovery token from the latest outcome in a sharded transaction.
     * For internal use only.
     *
     * @return the recovery token
     * @mongodb.server.release 4.2
     * @since 3.11
     */
    @Nullable
    BsonDocument getRecoveryToken();

    /**
     * Set the recovery token.
     * For internal use only.
     *
     * @param recoveryToken the recovery token
     * @mongodb.server.release 4.2
     * @since 3.11
     */
    void setRecoveryToken(BsonDocument recoveryToken);

    /**
     * Get the options for this session.
     *
     * @return the options, which may not be null
     */
    ClientSessionOptions getOptions();

    /**
     * Returns true if operations in this session must be causally consistent
     *
     * @return whether operations in this session must be causally consistent.
     */
    boolean isCausallyConsistent();

    /**
     * Gets the originator for the session.
     *
     * 
     * Important because sessions must only be used by their own originator.
     * 
     *
     * @return the sessions originator
     */
    Object getOriginator();

    /**
     * @return the server session
     */
    ServerSession getServerSession();

    /**
     * Gets the operation time of the last operation executed in this session.
     *
     * @return the operation time
     */
    BsonTimestamp getOperationTime();

    /**
     * Set the operation time of the last operation executed in this session.
     *
     * @param operationTime the operation time
     */
    void advanceOperationTime(BsonTimestamp operationTime);

    /**
     * @param clusterTime the cluster time to advance to
     */
    void advanceClusterTime(BsonDocument clusterTime);

    /**
     * @return the latest cluster time seen by this session
     */
    BsonDocument getClusterTime();

    @Override
    void close();
}