001/* Indexed property change event
002   Copyright (C) 2005 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package java.beans;
040
041/**
042 * This is like a PropertyChangeEvent, but also carries with it the
043 * index of the property which changed.
044 * @author Tom Tromey (tromey@redhat.com)
045 * @since 1.5
046 */
047public class IndexedPropertyChangeEvent extends PropertyChangeEvent
048{
049  private static final long serialVersionUID = -320227448495806870L;
050
051  /**
052   * Index of the item that was changed.
053   */
054  private int index;
055
056  /**
057   * Create a new IndexedPropertyChangeEvent.
058   * @param source the Bean containing the property
059   * @param name the property's name
060   * @param oldValue the old value of the property
061   * @param newValue the new value of the property
062   * @param index the index of the element in the property which changed
063   * @throws IllegalArgumentException if source is null
064   */
065  public IndexedPropertyChangeEvent(Object source, String name,
066                                    Object oldValue, Object newValue,
067                                    int index)
068  {
069    super(source, name, oldValue, newValue);
070    this.index = index;
071  }
072
073  /**
074   * Return the index of the changed property. 
075   * @return the index
076   */
077  public int getIndex()
078  {
079    return index;
080  }
081}