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1   // 
2   // Copyright (c) 2003, Caltha - Gajda, Krzewski, Mach, Potempski Sp.J. 
3   // All rights reserved. 
4   // 
5   // Redistribution and use in source and binary forms, with or without modification,  
6   // are permitted provided that the following conditions are met: 
7   //  
8   // * Redistributions of source code must retain the above copyright notice,  
9   //	 this list of conditions and the following disclaimer. 
10  // * Redistributions in binary form must reproduce the above copyright notice,  
11  //	 this list of conditions and the following disclaimer in the documentation  
12  //	 and/or other materials provided with the distribution. 
13  // * Neither the name of the Caltha - Gajda, Krzewski, Mach, Potempski Sp.J.  
14  //	 nor the names of its contributors may be used to endorse or promote products  
15  //	 derived from this software without specific prior written permission. 
16  // 
17  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"  
18  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED  
19  // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
20  // IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,  
21  // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,  
22  // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
23  // OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,  
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26  // POSSIBILITY OF SUCH DAMAGE. 
27  // 
28  package org.objectledge.threads;
29  
30  import org.objectledge.pipeline.Valve;
31  
32  /***
33   * A task executed by ThreadPool's threads.
34   *  
35   * @author <a href="mailto:rafal@caltha.pl">Rafal Krzewski</a>
36   * @version $Id: Task.java,v 1.2 2004/01/30 14:39:53 fil Exp $
37   */
38  public abstract class Task
39      implements Valve
40  {
41      /***
42       * Returns the name of the task.
43       * 
44       * @return name of the task, or <code>null</code> if anonymous.
45       */
46      public String getName()
47      {
48          return getClass().getName();
49      }
50      
51      /***
52       * Terminates execution of the task.
53       * 
54       * @param thread the thread that is executing the task.
55       */
56      public void terminate(Thread thread)
57      {
58          thread.interrupt();
59      }
60  }