Java tutorial
/* * 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.async.client; import com.mongodb.MongoDriverInformation; import com.mongodb.connection.StreamFactory; import com.mongodb.connection.netty.NettyStreamFactory; import com.mongodb.lang.Nullable; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import java.io.Closeable; // Creation of MongoClient using NettyStreamFactory is segregated here to avoid a runtime dependency on Netty in MongoClients final class NettyMongoClients { @SuppressWarnings("deprecation") static MongoClient create(final MongoClientSettings settings, @Nullable final MongoDriverInformation mongoDriverInformation) { final EventLoopGroup eventLoopGroup = new NioEventLoopGroup(); StreamFactory streamFactory = new NettyStreamFactory(settings.getSocketSettings(), settings.getSslSettings(), eventLoopGroup); StreamFactory heartbeatStreamFactory = new NettyStreamFactory(settings.getHeartbeatSocketSettings(), settings.getSslSettings(), eventLoopGroup); return MongoClients.createMongoClient(settings, mongoDriverInformation, streamFactory, heartbeatStreamFactory, new Closeable() { @Override public void close() { eventLoopGroup.shutdownGracefully().awaitUninterruptibly(); } }); } private NettyMongoClients() { } }