Source for org.jfree.data.category.CategoryDataset

   1: /* ===========================================================
   2:  * JFreeChart : a free chart library for the Java(tm) platform
   3:  * ===========================================================
   4:  *
   5:  * (C) Copyright 2000-2005, 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 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  *
  27:  * --------------------
  28:  * CategoryDataset.java
  29:  * --------------------
  30:  * (C) Copyright 2000-2004, by Object Refinery Limited.
  31:  *
  32:  * Original Author:  David Gilbert (for Object Refinery Limited);
  33:  * Contributor(s):   -;
  34:  *
  35:  * $Id: CategoryDataset.java,v 1.2.2.1 2005/10/25 21:29:58 mungady Exp $
  36:  *
  37:  * Changes (from 21-Aug-2001)
  38:  * --------------------------
  39:  * 21-Aug-2001 : Added standard header. Fixed DOS encoding problem (DG);
  40:  * 18-Sep-2001 : Updated e-mail address in header (DG);
  41:  * 15-Oct-2001 : Moved to new package (com.jrefinery.data.*) (DG);
  42:  * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG);
  43:  * 17-Nov-2001 : Updated Javadoc comments (DG);
  44:  * 04-Mar-2002 : Updated import statement (DG);
  45:  * 23-Oct-2002 : Reorganised code (DG);
  46:  * 10-Jan-2003 : Updated Javadocs (DG);
  47:  * 21-Jan-2003 : Merged with TableDataset (which only existed in CVS) (DG);
  48:  * 13-Mar-2003 : Added KeyedValues2DDataset interface (DG);
  49:  * 23-Apr-2003 : Switched CategoryDataset and KeyedValues2DDataset so that 
  50:  *               CategoryDataset is the super interface (DG);
  51:  * 18-Aug-2004 : Moved from org.jfree.data --> org.jfree.data.category (DG);
  52:  *
  53:  */
  54: 
  55: package org.jfree.data.category;
  56: 
  57: import org.jfree.data.KeyedValues2D;
  58: import org.jfree.data.general.Dataset;
  59: 
  60: /**
  61:  * The interface for a dataset with one or more series, and values associated 
  62:  * with categories.
  63:  * <P>
  64:  * The categories are represented by <code>Comparable</code> instance, with the
  65:  * category label being provided by the <code>toString</code> method.
  66:  */
  67: public interface CategoryDataset extends KeyedValues2D, Dataset {
  68: 
  69:     // no additional methods required
  70: 
  71: }