Creates a fixed thread pool with named daemon threads that will expire after 60 seconds of inactivity. - Java java.util.concurrent

Java examples for java.util.concurrent:ThreadPoolExecutor

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Description

Creates a fixed thread pool with named daemon threads that will expire after 60 seconds of inactivity.

Demo Code

/*/* w  w  w . j a  va  2  s  .  com*/
 * JBoss, Home of Professional Open Source.
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
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 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
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 * License along with this library; if not, write to the Free Software
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 */
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class Main{
    /**
     * Creates a fixed thread pool with named daemon threads that will expire after 60 seconds of
     * inactivity.
     * @param nThreads
     * @param name
     * @return
     */
    public static ExecutorService newFixedThreadPool(int nThreads,
            String name) {
        return newFixedThreadPool(nThreads, Integer.MAX_VALUE, name);
    }
    public static ExecutorService newFixedThreadPool(int nThreads,
            int maxQueue, String name) {
        ThreadPoolExecutor tpe = new ThreadPoolExecutor(nThreads, nThreads,
                60L, TimeUnit.SECONDS,
                maxQueue == 0 ? new SynchronousQueue<Runnable>()
                        : new LinkedBlockingQueue<Runnable>(maxQueue),
                new NamedThreadFactory(name));
        tpe.allowCoreThreadTimeOut(true);
        return tpe;
    }
}

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