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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.client;

import com.mongodb.ClientSessionOptions;
import com.mongodb.MongoNamespace;
import com.mongodb.annotations.Immutable;
import com.mongodb.connection.ClusterDescription;
import com.mongodb.connection.ClusterSettings;
import com.mongodb.event.ClusterListener;
import org.bson.Document;
import org.bson.conversions.Bson;
import java.io.Closeable;
import java.util.List;

/**
 *  A client-side representation of a MongoDB cluster.  Instances can represent either a standalone MongoDB instance, a replica set,
 *  or a sharded cluster.  Instance of this class are responsible for maintaining an up-to-date state of the cluster,
 *  and possibly cache resources related to this, including background threads for monitoring, and connection pools.
 *  

* Instances of this class serve as factories for {@link MongoDatabase} instances. *

*

* Instances of this class can be created via the {@link MongoClients} factory. *

* @see MongoClients * @since 3.7 * * @deprecated Usage of this API is not supported in AEM as a Cloud Service. */ @Immutable @Deprecated(since = "2021-05-27") public interface MongoClient extends Closeable { /** * Gets a {@link MongoDatabase} instance for the given database name. * * @param databaseName the name of the database to retrieve * @return a {@code MongoDatabase} representing the specified database * @throws IllegalArgumentException if databaseName is invalid * @see MongoNamespace#checkDatabaseNameValidity(String) */ MongoDatabase getDatabase(String databaseName); /** * Creates a client session with default options. * *

Note: A ClientSession instance can not be used concurrently in multiple operations.

* * @return the client session * @mongodb.server.release 3.6 */ ClientSession startSession(); /** * Creates a client session. * *

Note: A ClientSession instance can not be used concurrently in multiple operations.

* * @param options the options for the client session * @return the client session * @mongodb.server.release 3.6 */ ClientSession startSession(ClientSessionOptions options); /** * Close the client, which will close all underlying cached resources, including, for example, * sockets and background monitoring threads. */ void close(); /** * Get a list of the database names * * @return an iterable containing all the names of all the databases * @mongodb.driver.manual reference/command/listDatabases List Databases */ MongoIterable listDatabaseNames(); /** * Get a list of the database names * * @param clientSession the client session with which to associate this operation * @return an iterable containing all the names of all the databases * @mongodb.driver.manual reference/command/listDatabases List Databases * @mongodb.server.release 3.6 */ MongoIterable listDatabaseNames(ClientSession clientSession); /** * Gets the list of databases * * @return the list databases iterable interface */ ListDatabasesIterable listDatabases(); /** * Gets the list of databases * * @param clientSession the client session with which to associate this operation * @return the list databases iterable interface * @mongodb.driver.manual reference/command/listDatabases List Databases * @mongodb.server.release 3.6 */ ListDatabasesIterable listDatabases(ClientSession clientSession); /** * Gets the list of databases * * @param resultClass the class to cast the database documents to * @param the type of the class to use instead of {@code Document}. * @return the list databases iterable interface */ ListDatabasesIterable listDatabases(Class resultClass); /** * Gets the list of databases * * @param clientSession the client session with which to associate this operation * @param resultClass the class to cast the database documents to * @param the type of the class to use instead of {@code Document}. * @return the list databases iterable interface * @mongodb.driver.manual reference/command/listDatabases List Databases * @mongodb.server.release 3.6 */ ListDatabasesIterable listDatabases(ClientSession clientSession, Class resultClass); /** * Creates a change stream for this client. * * @return the change stream iterable * @mongodb.driver.dochub core/changestreams Change Streams * @since 3.8 * @mongodb.server.release 4.0 */ ChangeStreamIterable watch(); /** * Creates a change stream for this client. * * @param resultClass the class to decode each document into * @param the target document type of the iterable. * @return the change stream iterable * @mongodb.driver.dochub core/changestreams Change Streams * @since 3.8 * @mongodb.server.release 4.0 */ ChangeStreamIterable watch(Class resultClass); /** * Creates a change stream for this client. * * @param pipeline the aggregation pipeline to apply to the change stream. * @return the change stream iterable * @mongodb.driver.dochub core/changestreams Change Streams * @since 3.8 * @mongodb.server.release 4.0 */ ChangeStreamIterable watch(List pipeline); /** * Creates a change stream for this client. * * @param pipeline the aggregation pipeline to apply to the change stream * @param resultClass the class to decode each document into * @param the target document type of the iterable. * @return the change stream iterable * @mongodb.driver.dochub core/changestreams Change Streams * @since 3.8 * @mongodb.server.release 4.0 */ ChangeStreamIterable watch(List pipeline, Class resultClass); /** * Creates a change stream for this client. * * @param clientSession the client session with which to associate this operation * @return the change stream iterable * @since 3.8 * @mongodb.server.release 4.0 * @mongodb.driver.dochub core/changestreams Change Streams */ ChangeStreamIterable watch(ClientSession clientSession); /** * Creates a change stream for this client. * * @param clientSession the client session with which to associate this operation * @param resultClass the class to decode each document into * @param the target document type of the iterable. * @return the change stream iterable * @since 3.8 * @mongodb.server.release 4.0 * @mongodb.driver.dochub core/changestreams Change Streams */ ChangeStreamIterable watch(ClientSession clientSession, Class resultClass); /** * Creates a change stream for this client. * * @param clientSession the client session with which to associate this operation * @param pipeline the aggregation pipeline to apply to the change stream. * @return the change stream iterable * @since 3.8 * @mongodb.server.release 4.0 * @mongodb.driver.dochub core/changestreams Change Streams */ ChangeStreamIterable watch(ClientSession clientSession, List pipeline); /** * Creates a change stream for this client. * * @param clientSession the client session with which to associate this operation * @param pipeline the aggregation pipeline to apply to the change stream * @param resultClass the class to decode each document into * @param the target document type of the iterable. * @return the change stream iterable * @since 3.8 * @mongodb.server.release 4.0 * @mongodb.driver.dochub core/changestreams Change Streams */ ChangeStreamIterable watch(ClientSession clientSession, List pipeline, Class resultClass); /** * Gets the current cluster description. * *

* This method will not block, meaning that it may return a {@link ClusterDescription} whose {@code clusterType} is unknown * and whose {@link com.mongodb.connection.ServerDescription}s are all in the connecting state. If the application requires * notifications after the driver has connected to a member of the cluster, it should register a {@link ClusterListener} via * the {@link ClusterSettings} in {@link com.mongodb.MongoClientSettings}. *

* * @return the current cluster description * @see ClusterSettings.Builder#addClusterListener(ClusterListener) * @see com.mongodb.MongoClientSettings.Builder#applyToClusterSettings(com.mongodb.Block) * @since 3.11 */ ClusterDescription getClusterDescription(); }




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