001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jfreechart/index.html 008 * 009 * This library is free software; you can redistribute it and/or modify it 010 * under the terms of the GNU Lesser General Public License as published by 011 * the Free Software Foundation; either version 2.1 of the License, or 012 * (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but 015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 017 * License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this library; if not, write to the Free Software 021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 022 * USA. 023 * 024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 025 * in the United States and other countries.] 026 * 027 * -------------------- 028 * CategoryDataset.java 029 * -------------------- 030 * (C) Copyright 2000-2004, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 * $Id: CategoryDataset.java,v 1.2.2.1 2005/10/25 21:29:58 mungady Exp $ 036 * 037 * Changes (from 21-Aug-2001) 038 * -------------------------- 039 * 21-Aug-2001 : Added standard header. Fixed DOS encoding problem (DG); 040 * 18-Sep-2001 : Updated e-mail address in header (DG); 041 * 15-Oct-2001 : Moved to new package (com.jrefinery.data.*) (DG); 042 * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG); 043 * 17-Nov-2001 : Updated Javadoc comments (DG); 044 * 04-Mar-2002 : Updated import statement (DG); 045 * 23-Oct-2002 : Reorganised code (DG); 046 * 10-Jan-2003 : Updated Javadocs (DG); 047 * 21-Jan-2003 : Merged with TableDataset (which only existed in CVS) (DG); 048 * 13-Mar-2003 : Added KeyedValues2DDataset interface (DG); 049 * 23-Apr-2003 : Switched CategoryDataset and KeyedValues2DDataset so that 050 * CategoryDataset is the super interface (DG); 051 * 18-Aug-2004 : Moved from org.jfree.data --> org.jfree.data.category (DG); 052 * 053 */ 054 055 package org.jfree.data.category; 056 057 import org.jfree.data.KeyedValues2D; 058 import org.jfree.data.general.Dataset; 059 060 /** 061 * The interface for a dataset with one or more series, and values associated 062 * with categories. 063 * <P> 064 * The categories are represented by <code>Comparable</code> instance, with the 065 * category label being provided by the <code>toString</code> method. 066 */ 067 public interface CategoryDataset extends KeyedValues2D, Dataset { 068 069 // no additional methods required 070 071 }