1. /* ===========================================================

  2.  * JFreeChart : a free chart library for the Java(tm) platform

  3.  * ===========================================================

  4.  *

  5.  * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.

  6.  *

  7.  * Project Info:  http://www.jfree.org/jfreechart/index.html

  8.  *

  9.  * This library is free software; you can redistribute it and/or modify it under the terms

  10.  * of the GNU Lesser General Public License as published by the Free Software Foundation;

  11.  * either version 2.1 of the License, or (at your option) any later version.

  12.  *

  13.  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

  14.  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  15.  * See the GNU Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public License along with this

  18.  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

  19.  * Boston, MA 02111-1307, USA.

  20.  *

  21.  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

  22.  * in the United States and other countries.]

  23.  *

  24.  * --------------------------

  25.  * DatasetChangeListener.java

  26.  * --------------------------

  27.  * (C) Copyright 2000-2004, by Object Refinery Limited.

  28.  *

  29.  * Original Author:  David Gilbert (for Object Refinery Limited);

  30.  * Contributor(s):   -;

  31.  *

  32.  * $Id: DatasetChangeListener.java,v 1.1 2004/08/31 15:27:03 mungady Exp $

  33.  *

  34.  * Changes (from 24-Aug-2001)

  35.  * --------------------------

  36.  * 24-Aug-2001 : Added standard source header. Fixed DOS encoding problem (DG);

  37.  * 15-Oct-2001 : Moved to new package (com.jrefinery.data.*) (DG);

  38.  * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG);

  39.  * 07-Aug-2002 : Now extends EventListener (DG);

  40.  * 04-Oct-2002 : Fixed errors reported by Checkstyle (DG);

  41.  *

  42.  */

  43. 

  44. package org.jfree.data.general;

  45. 

  46. import java.util.EventListener;

  47. 

  48. /**

  49.  * The interface that must be supported by classes that wish to receive

  50.  * notification of changes to a dataset.

  51.  *

  52.  */

  53. public interface DatasetChangeListener extends EventListener {

  54. 

  55.     /**

  56.      * Receives notification of an dataset change event.

  57.      *

  58.      * @param event  information about the event.

  59.      */

  60.     public void datasetChanged(DatasetChangeEvent event);

  61. 

  62. }