Java tutorial
/* * Copyright (c) 2008-2014 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.connection.netty; import com.mongodb.ServerAddress; import com.mongodb.connection.SslSettings; import com.mongodb.connection.SocketSettings; import com.mongodb.connection.Stream; import com.mongodb.connection.StreamFactory; import io.netty.buffer.ByteBufAllocator; import io.netty.buffer.PooledByteBufAllocator; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import static com.mongodb.assertions.Assertions.notNull; /** * A StreamFactory for Streams based on Netty 4.0 * * @since 3.0 */ public class NettyStreamFactory implements StreamFactory { private final SocketSettings settings; private final SslSettings sslSettings; private final EventLoopGroup eventLoopGroup; private final ByteBufAllocator allocator; /** * Construct a new instance of the factory. * * @param settings the socket settings * @param sslSettings the SSL settings * @param eventLoopGroup the event loop group that all channels created by this factory will be a part of * @param allocator the allocator to use for ByteBuf instances */ public NettyStreamFactory(final SocketSettings settings, final SslSettings sslSettings, final NioEventLoopGroup eventLoopGroup, final ByteBufAllocator allocator) { this.settings = notNull("settings", settings); this.sslSettings = notNull("sslSettings", sslSettings); this.eventLoopGroup = notNull("eventLoopGroup", eventLoopGroup); this.allocator = notNull("allocator", allocator); } /** * Construct a new instance of the factory with a default allocator and event loop group. * * @param settings the socket settings * @param sslSettings the SSL settings */ public NettyStreamFactory(final SocketSettings settings, final SslSettings sslSettings) { this(settings, sslSettings, new NioEventLoopGroup(), PooledByteBufAllocator.DEFAULT); } @Override public Stream create(final ServerAddress serverAddress) { return new NettyStream(serverAddress, settings, sslSettings, eventLoopGroup, allocator); } }