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