StateChangedEvent


1   /*
2    * PETALS: PETALS Services Platform
3    * Copyright (C) 2005 EBM WebSourcing
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 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
18   * USA.
19   *
20   * Initial developer(s): EBM WebSourcing
21   * --------------------------------------------------------------------------
22   * $Id: StateChangedEvent.java,v 1.2 2005/07/22 10:24:27 alouis Exp $
23   * --------------------------------------------------------------------------  
24   */
25  
26  package org.objectweb.petals.jbi.component.event;
27  
28  /**
29   * <code>LifeCycleStateEventAbstract</code> contains contextual information about a
30   * change of an element state.
31   * 
32   * @author Adrien LOUIS - EBM WebSourcing
33   * 
34   */
35  public class StateChangedEvent extends LifeCycleStateEventAbstract {
36      /**
37       * 
38       */
39      private static final long serialVersionUID = 1L;
40  
41      private String   oldState;
42  
43      private String   newState;
44  
45      /**
46       * Construct an event to notify a change of state.
47       * 
48       * @param source
49       *            the Object that originated the event
50       * @param oldState
51       *            the old state of the LifeCycleElement
52       * @param newState
53       *            the new state of the LifeCycleElement
54       */
55      public StateChangedEvent(Object   source, String   oldState, String   newState) {
56          super(source, STATE_CHANGED);
57  
58          this.oldState = oldState;
59          this.newState = newState;
60      }
61  
62      public String   getNewState() {
63          return newState;
64      }
65  
66      public String   getOldState() {
67          return oldState;
68      }
69  }
70
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