NamedThreadFactory.java

/**
 * Copyright (c) 2016, biezhi 王爵 (biezhi.me@gmail.com)
 *
 * 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.blade.kit.thread;

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

public class NamedThreadFactory implements ThreadFactory {

    private static final AtomicInteger threadNumber = new AtomicInteger(1);

    private final AtomicInteger mThreadNum = new AtomicInteger(1);

    private final String prefix;

    private final boolean daemoThread;

    private final ThreadGroup threadGroup;

    public NamedThreadFactory() {
        this("blade-threadpool-" + threadNumber.getAndIncrement(), false);
    }

    public NamedThreadFactory(String prefix) {
        this(prefix, false);
    }

    public NamedThreadFactory(String prefix, boolean daemo) {
        this.prefix = prefix + "-thread-";
        daemoThread = daemo;
        SecurityManager s = System.getSecurityManager();
        threadGroup = (s == null) ? Thread.currentThread().getThreadGroup() : s.getThreadGroup();
    }

    public Thread newThread(Runnable runnable) {
        String name = prefix + mThreadNum.getAndIncrement();
        Thread ret = new Thread(threadGroup, runnable, name, 0);
        ret.setDaemon(daemoThread);
        return ret;
    }

    public ThreadGroup getThreadGroup() {
        return threadGroup;
    }
}