01: /* ===========================================================
02: * JFreeChart : a free chart library for the Java(tm) platform
03: * ===========================================================
04: *
05: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jfreechart/index.html
08: *
09: * 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: }
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