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Java > Open Source Codes > org > objectweb > dream > control > activity > task > TaskActivationStoppedListener


1 /**
2  * Dream
3  * Copyright (C) 2003-2004 INRIA Rhone-Alpes
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Contact: dream@objectweb.org
20  *
21  * Initial developer(s): Matthieu Leclercq
22  * Contributor(s):
23  */
24
25 package org.objectweb.dream.control.activity.task;
26
27 import java.util.Map JavaDoc;
28
29 /**
30  * task stopped listener used by {@link BasicTaskActivationMixin }to
31  * desactivate task.
32  */
33 public class TaskActivationStoppedListener implements TaskStoppedListener
34 {
35
36   protected TaskStoppedListener delegate;
37   protected Map JavaDoc taskControls;
38
39   /**
40    * @param delegate another task listener to delegate (maybe <code>null</code>).
41    * @param taskControls map containning task control. see
42    * {@link BasicTaskActivationMixin#_this_taskControls}.
43    */
44   public TaskActivationStoppedListener(TaskStoppedListener delegate,
45       Map JavaDoc taskControls)
46   {
47     super();
48     this.delegate = delegate;
49     this.taskControls = taskControls;
50   }
51
52   /**
53    * @see TaskStoppedListener#taskStopped(Task)
54    */
55   public void taskStopped(Task task)
56   {
57     taskControls.remove(task);
58     if (delegate != null)
59     {
60       delegate.taskStopped(task);
61     }
62   }
63
64 }
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