timer.java

实现了Jms的服务器源码,支持多种适配器,DB,FTP,支持多种数据库

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 * Copyright 2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: Timer.java,v 1.7 2003/03/23 05:57:18 tanderson Exp $
 */
package openjms.examples.client.console;


public class Timer {

    private TimerListener _listener;
    private long _millisecs;
    private Thread _thread;


    public Timer(TimerListener listener, long millisecs) {
        _listener = listener;
        _millisecs = millisecs;       
    }

    public void start() {
        _thread = new Thread(new Runner());
        _thread.start();
    }

    public void stop() {
        if ((_thread != null) && (Thread.currentThread() != _thread)) {
            while (_thread.isAlive()) {
                _thread.interrupt();
            }
        }
    }

    public void reset() {
        stop();
        start();
    }

    public void reset(long milliseconds) {
        _millisecs = milliseconds;
        reset();
    }
    
    private class Runner implements Runnable {

        public Runner() {
        }

        public void run() {
            try {
                Thread.currentThread().sleep(_millisecs);
                _listener.onTimeout();
            } catch (InterruptedException ignore) {
            }
        }
    }
}