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Java > Open Source Codes > org > jfree > data > PieDataset


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  * PieDataset.java
24  * ---------------
25  * (C) Copyright 2001-2003, by Object Refinery Limited.
26  *
27  * Original Author: David Gilbert (for Object Refinery Limited);
28  * Contributor(s): Sam (oldman);
29  *
30  * $Id: PieDataset.java,v 1.4 2003/06/13 15:46:44 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 17-Nov-2001 : Version 1 (DG);
35  * 22-Jan-2002 : Removed the getCategoryCount() method, updated Javadoc comments (DG);
36  * 18-Apr-2002 : getCategories() now returns List instead of Set (oldman);
37  * 23-Oct-2002 : Reorganised the code: PieDataset now extends KeyedValues interface (DG);
38  * 04-Mar-2003 : Now just replicates the KeyedValuesDataset interface (DG);
39  *
40  */
41
42 package org.jfree.data;
43
44 /**
45  * A general purpose dataset where values are associated with keys.
46  * <p>
47  * As the name suggests, you can use this dataset to supply data for pie charts.
48  *
49  * @author David Gilbert
50  */
51 public interface PieDataset extends KeyedValues, Dataset {
52
53     // no new methods added.
54
55 }
56
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