MonitorSupport


1   /*
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3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10  * the License, or (at your option) any later version.
11  *
12  * This software is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this software; if not, write to the Free
19  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21  */
22  package org.jboss.test.jmx.compliance.monitor.support;
23  
24  import org.jboss.test.jmx.compliance.monitor.MonitorSUITE;
25  
26  public class MonitorSupport 
27  {
28     boolean done = false;
29     String   last = "set";
30     public synchronized void lock(String   who)
31     {
32        if (!done && last.equals(who))
33        {
34           try
35           {
36              wait(MonitorSUITE.MAX_WAIT);
37           }
38           catch (InterruptedException   e) {}        
39           if (!done && last.equals(who))
40              throw new RuntimeException  ("-- Time Out --");
41        }
42     }
43     public synchronized void unlock(String   who)
44     {
45        if (!done && last.equals(who))
46           throw new RuntimeException  ("-- Synchronization failure --");
47        last=who; 
48        notifyAll();
49     }
50     public synchronized void end()
51     {
52        done = true;
53        notifyAll();
54     }
55  }
56
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