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COOS - Connected Objects Operating System (www.connectedobjects.org). Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved. DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 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 3 of the License, or (at your option) any later version. 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. You may also contact one of the following for additional information: Telenor ASA, Snaroyveien 30, N-1331 Fornebu, Norway (www.telenor.no) Tellu AS, Hagalokkveien 13, N-1383 Asker, Norway (www.tellu.no)
package org.coos.messaging.util;

Author(s):
Knut Eilif Husa, Tellu AS Threadpool to use in environments that do not support java.util.concurrent
public class ThreadPool implements ExecutorService {
    private Queue queue = new Queue();
    private int numThreads;
    String name;
    Vector threadPoolThreads = new Vector();
    public ThreadPool(String nameint numThreads) {
        this. = numThreads;
        this. = name;
        // Create N threads
        for (int i = 0; i < numThreads; ++i)
            .addElement(new ThreadPoolThread(this));
    }
    public void execute(Runnable runnable) {
        .put(runnable);
    }
    public void setMaxPoolSize(int maxPoolSize) {
         = maxPoolSize;
        while (.size() < ) {
            .addElement(new ThreadPoolThread(this));
        }
        while (.size() > ) {
            ThreadPoolThread tpt = (ThreadPoolThread.firstElement();
            .removeElement(tpt);
            tpt.stop();
        }
    }
        return (Runnable.get();
    }
    public void stop() {
        for (int i = 0; i < .size(); i++) {
            ((ThreadPoolThread.elementAt(i)).stop();
        }
    }
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