com.taobao.tair.comm.NamedThreadFactory Maven / Gradle / Ivy

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/**
 * (C) 2007-2010 Taobao Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */
package com.taobao.tair.comm;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

public class NamedThreadFactory implements ThreadFactory {

	static final AtomicInteger poolNumber = new AtomicInteger(1);

    final AtomicInteger threadNumber = new AtomicInteger(1);
    final ThreadGroup group;
    final String namePrefix;
    final boolean isDaemon;

    public NamedThreadFactory() {
        this("pool");
    }
    public NamedThreadFactory(String name) {
        this(name, false);
    }
    public NamedThreadFactory(String preffix, boolean daemon) {
        SecurityManager s = System.getSecurityManager();
        group = (s != null) ? s.getThreadGroup() : Thread.currentThread()
                .getThreadGroup();
        namePrefix = preffix + "-" + poolNumber.getAndIncrement() + "-thread-";
        isDaemon = daemon;
    }


	public Thread newThread(Runnable r) {
        Thread t = new Thread(group, r, namePrefix
                + threadNumber.getAndIncrement(), 0);
        t.setDaemon(isDaemon);
        if (t.getPriority() != Thread.NORM_PRIORITY) {
            t.setPriority(Thread.NORM_PRIORITY);
        }
        return t;
    }

}