org.jboss.netty.channel.socket.nio.NioClientBossPool Maven / Gradle / Ivy

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The Netty project is an effort to provide an asynchronous event-driven network application framework and tools for rapid development of maintainable high performance and high scalability protocol servers and clients. In other words, Netty is a NIO client server framework which enables quick and easy development of network applications such as protocol servers and clients. It greatly simplifies and streamlines network programming such as TCP and UDP socket server.

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you 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 org.jboss.netty.channel.socket.nio;

import org.jboss.netty.util.HashedWheelTimer;
import org.jboss.netty.util.ThreadNameDeterminer;
import org.jboss.netty.util.Timer;

import java.util.concurrent.Executor;

/**
 * Holds {@link NioClientBoss} instances to use
 */
public class NioClientBossPool extends AbstractNioBossPool {
    private final ThreadNameDeterminer determiner;
    private final Timer timer;
    private boolean stopTimer;

    /**
     * Create a new instance
     *
     * @param bossExecutor  the Executor to use for server the {@link NioClientBoss}
     * @param bossCount     the number of {@link NioClientBoss} instances this {@link NioClientBossPool} will hold
     * @param timer         the Timer to use for handle connect timeouts
     * @param determiner    the {@link ThreadNameDeterminer} to use for name the threads. Use {@code null}
     *                      if you not want to set one explicit.
     */
    public NioClientBossPool(Executor bossExecutor, int bossCount, Timer timer, ThreadNameDeterminer determiner) {
        super(bossExecutor, bossCount, false);
        this.determiner = determiner;
        this.timer = timer;
        init();
    }

    /**
     * Create a new instance using a new {@link HashedWheelTimer} and no {@link ThreadNameDeterminer}
     *
     * @param bossExecutor  the Executor to use for server the {@link NioClientBoss}
     * @param bossCount     the number of {@link NioClientBoss} instances this {@link NioClientBoss} will hold
     */
    public NioClientBossPool(Executor bossExecutor, int bossCount) {
        this(bossExecutor, bossCount, new HashedWheelTimer(), null);
        stopTimer = true;
    }

    @Override
    protected NioClientBoss newBoss(Executor executor) {
        return new NioClientBoss(executor, timer, determiner);
    }

    @Override
    public void shutdown() {
        super.shutdown();
        if (stopTimer) {
            timer.stop();
        }
    }

    @Override
    public void releaseExternalResources() {
        super.releaseExternalResources();
        timer.stop();
    }
}