DatasetChangeListener


1   /* ======================================
2    * JFreeChart : a free Java chart library
3    * ======================================
4    *
5    * Project Info:  http://www.jfree.org/jfreechart/index.html
6    * Project Lead:  David Gilbert (david.gilbert@object-refinery.com);
7    *
8    * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
9    *
10   * This library is free software; you can redistribute it and/or modify it under the terms
11   * of the GNU Lesser General Public License as published by the Free Software Foundation;
12   * either version 2.1 of the License, or (at your option) any later version.
13   *
14   * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15   * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16   * See the GNU Lesser General Public License for more details.
17   *
18   * You should have received a copy of the GNU Lesser General Public License along with this library;
19   * if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20   * MA 02111-1307, USA.
21   *
22   * --------------------------
23   * DatasetChangeListener.java
24   * --------------------------
25   * (C) Copyright 2000-2003, by Object Refinery Limited.
26   *
27   * Original Author:  David Gilbert (for Object Refinery Limited);
28   * Contributor(s):   -;
29   *
30   * $Id: DatasetChangeListener.java,v 1.2 2003/06/04 22:58:26 mungady Exp $
31   *
32   * Changes (from 24-Aug-2001)
33   * --------------------------
34   * 24-Aug-2001 : Added standard source header. Fixed DOS encoding problem (DG);
35   * 15-Oct-2001 : Moved to new package (com.jrefinery.data.*) (DG);
36   * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG);
37   * 07-Aug-2002 : Now extends EventListener (DG);
38   * 04-Oct-2002 : Fixed errors reported by Checkstyle (DG);
39   *
40   */
41  
42  package org.jfree.data;
43  
44  import java.util.EventListener  ;
45  
46  /**
47   * The interface that must be supported by classes that wish to receive
48   * notification of changes to a dataset.
49   *
50   * @author David Gilbert
51   */
52  public interface DatasetChangeListener extends EventListener   {
53  
54      /**
55       * Receives notification of an dataset change event.
56       *
57       * @param event  information about the event.
58       */
59      public void datasetChanged(DatasetChangeEvent event);
60  
61  }
62
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