org/objectweb/proactive/core/body/ft/servers/util/JobBarrier.java

00001 /* 
00002  * ################################################################
00003  * 
00004  * ProActive: The Java(TM) library for Parallel, Distributed, 
00005  *            Concurrent computing with Security and Mobility
00006  * 
00007  * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
00008  * Contact: proactive@objectweb.org
00009  * 
00010  * This library is free software; you can redistribute it and/or
00011  * modify it under the terms of the GNU Lesser General Public
00012  * License as published by the Free Software Foundation; either
00013  * version 2.1 of the License, or any later version.
00014  *  
00015  * This library is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018  * Lesser General Public License for more details.
00019  * 
00020  * You should have received a copy of the GNU Lesser General Public
00021  * License along with this library; if not, write to the Free Software
00022  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
00023  * USA
00024  *  
00025  *  Initial developer(s):               The ProActive Team
00026  *                        http://www.inria.fr/oasis/ProActive/contacts.html
00027  *  Contributor(s): 
00028  * 
00029  * ################################################################
00030  */ 
00031 package org.objectweb.proactive.core.body.ft.servers.util;
00032 
00033 
00040 public class JobBarrier {
00041     private boolean isCompleted;
00042 
00043     public JobBarrier() {
00044         this.isCompleted = false;
00045     }
00046 
00050     public synchronized void waitForJobCompletion() {
00051         try {
00052             while (!isCompleted) {
00053                 wait();
00054             }
00055         } catch (InterruptedException e) {
00056             e.printStackTrace();
00057         }
00058     }
00059 
00063     public synchronized void signalJobCompletion() {
00064         this.isCompleted = true;
00065         notifyAll();
00066     }
00067 }

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