/**
* Copyright (C) 2008 - 2014 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* 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.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* - Apache License, version 2.0
* - Apache Software License, version 1.0
* - GNU Lesser General Public License, version 3
* - Mozilla Public License, versions 1.0, 1.1 and 2.0
* - Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* icense version 2 and the aforementioned licenses.
*
* This program 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 General
* Public License for more details.
*/
/**
* Part of the diploma thesis of Thomas Everding.
* @author Thomas Everding
*/
package org.n52.ses.eml.v002.util;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.n52.ses.util.concurrent.NamedThreadFactory;
/**
* ThreadPool for the execution of {@link Runnable}s.
* Implemented as Singleton.
*
* @author Thomas Everding
*
*/
public class ThreadPool {
private static ThreadPool instance = null;
private ExecutorService executor;
/**
*
* Private Constructor
*
*/
private ThreadPool() {
this.executor = Executors.newSingleThreadExecutor(new NamedThreadFactory("EML002-UpdateHanderPool"));
}
/**
*
* @return the only instance of this class
*/
public static synchronized ThreadPool getInstance() {
if (instance == null) {
instance = new ThreadPool();
}
return instance;
}
/**
* Executes a class implementing {@link Runnable}.
* Does not block.
*
* @param runnable the runnable
*/
public synchronized void execute(Runnable runnable) {
this.executor.submit(runnable);
}
}