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1   /*
2    *  File: Event.java 
3    *  Copyright (c) 2004-2007  Peter Kliem (Peter.Kliem@jaret.de)
4    *  A commercial license is available, see http://www.jaret.de.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation; either version 2 of the License, or
9    *  (at your option) any later version.
10   *
11   *  This program is distributed in the hope that it will be useful,
12   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   *  GNU General Public License for more details.
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   */
20  package de.jaret.util.date;
21  
22  
23  /**
24   * Extension of the interval implementation forming a single point in time.
25   * 
26   * @author kliem
27   * @version $Id: Event.java 562 2007-09-15 14:45:12Z olk $
28   */
29  public class Event extends IntervalImpl {
30      
31      public Event(JaretDate date) {
32          setBegin(date);
33          setEnd(date);
34      }
35      
36  
37      @Override
38      public void setBegin(JaretDate begin) {
39          if (_begin != null) {
40              _begin.removePropertyChangeListener(this);
41          }
42          JaretDate oldVal = _begin;
43          _begin = begin;
44          _end = _begin;
45          _begin.addPropertyChangeListener(this);
46          firePropertyChange(PROP_BEGIN, oldVal, begin);
47      }
48  
49      
50      /**
51       * {@inheritDoc}
52       */
53      public void setEnd(JaretDate end) {
54          if (_end != null) {
55              _end.removePropertyChangeListener(this);
56          }
57          JaretDate oldVal = _end;
58          _end = end;
59          _begin = end;
60          _end.addPropertyChangeListener(this);
61          firePropertyChange(PROP_END, oldVal, end);
62      }
63  
64      
65  }