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 19 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 20 * Boston, MA 02111-1307, USA. 21 * 22 * -------------------- 23 * CategoryDataset.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: CategoryDataset.java,v 1.2 2003/06/04 22:58:26 mungady Exp $ 31 * 32 * Changes (from 21-Aug-2001) 33 * -------------------------- 34 * 21-Aug-2001 : Added standard header. Fixed DOS encoding problem (DG); 35 * 18-Sep-2001 : Updated e-mail address in header (DG); 36 * 15-Oct-2001 : Moved to new package (com.jrefinery.data.*) (DG); 37 * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG); 38 * 17-Nov-2001 : Updated Javadoc comments (DG); 39 * 04-Mar-2002 : Updated import statement (DG); 40 * 23-Oct-2002 : Reorganised code (DG); 41 * 10-Jan-2003 : Updated Javadocs (DG); 42 * 21-Jan-2003 : Merged with TableDataset (which only existed in CVS) (DG); 43 * 13-Mar-2003 : Added KeyedValues2DDataset interface (DG); 44 * 23-Apr-2003 : Switched CategoryDataset and KeyedValues2DDataset so that CategoryDataset is 45 * the super interface (DG); 46 * 47 */ 48 49 package org.jfree.data; 50 51 /** 52 * The interface for a dataset with one or more series, and values associated with categories. 53 * <P> 54 * The categories are represented by <code>Comparable</code> instance, with the category label 55 * being provided by the <code>toString</code> method. 56 * 57 * @author David Gilbert 58 */ 59 public interface CategoryDataset extends KeyedValues2D, Dataset { 60 61 // no additional methods required 62 63 } 64