CoadunationThread


1   /*
2    * CoadunationLib: The coaduntion implementation library.
3    * Copyright (C) 2006  Rift IT Contracting
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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
18   *
19   * CoadunationThread.java
20   *
21   * The coadunation thread class.
22   */
23  
24  // package path
25  package com.rift.coad.lib.thread;
26  
27  import com.rift.coad.lib.security.UserSession;
28  
29  
30  /**
31   * The coadunation thread class.
32   *
33   * @author Brett Chaldecott
34   */
35  public class CoadunationThread extends BasicThread {
36      
37      /**
38       * 
39       * Creates a new instance of CoadunationThread
40       */
41      public CoadunationThread() throws Exception   {
42      }
43      
44      
45      /**
46       * 
47       * Creates a new instance of CoadunationThread setting the runnable reference.
48       * 
49       * 
50       * @param runnable The reference to the runnable object.
51       */
52      public CoadunationThread(BasicRunnable runnable) throws Exception   {
53          super(runnable);
54      }
55      
56      
57      /**
58       * This method cannot be used on a coadunation thread.
59       */
60      public void start() throws IllegalThreadStateException   {
61          throw new IllegalThreadStateException  ("Cannot user this method use" +
62                  " start(Username) instead");
63      }
64      
65      
66      /**
67       * This method overrides the start method to bind this thread to the
68       * thread group.
69       *
70       * @exception IllegalThreadStateException
71       */
72      public void start(String   username) throws IllegalThreadStateException   {
73          try {
74              ThreadGroupManager.getInstance().addThreadToGroup(this,username);
75              super.start();
76          } catch (Exception   ex) {
77              throw new IllegalThreadStateException  (
78                      "Failed to start the thread : " + ex.getMessage());
79          }
80      }
81  }
82
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