libjava/classpath/java/beans/IndexedPropertyChangeEvent.java

   1 /* Indexed property change event
   2    Copyright (C) 2005 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath 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, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package java.beans;
  40
  41 /**
  42  * This is like a PropertyChangeEvent, but also carries with it the
  43  * index of the property which changed.
  44  * @author Tom Tromey (tromey@redhat.com)
  45  * @since 1.5
  46  */
  47 public class IndexedPropertyChangeEvent extends PropertyChangeEvent
  48 {
  49   private static final long serialVersionUID = -320227448495806870L;
  50
  51   /**
  52    * Index of the item that was changed.
  53    */
  54   private int index;
  55
  56   /**
  57    * Create a new IndexedPropertyChangeEvent.
  58    * @param source the Bean containing the property
  59    * @param name the property's name
  60    * @param oldValue the old value of the property
  61    * @param newValue the new value of the property
  62    * @param index the index of the element in the property which changed
  63    * @throws IllegalArgumentException if source is null
  64    */
  65   public IndexedPropertyChangeEvent(Object source, String name,
  66                                     Object oldValue, Object newValue,
  67                                     int index)
  68   {
  69     super(source, name, oldValue, newValue);
  70     this.index = index;
  71   }
  72
  73   /**
  74    * Return the index of the changed property.
  75    * @return the index
  76    */
  77   public int getIndex()
  78   {
  79     return index;
  80   }
  81 }