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Java > Open Source Codes > 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 }
72
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