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Java > Open Source Codes > org > jfree > data > xy > TableXYDataset


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  * TableXYDataset.java
29  * -------------------
30  * (C) Copyright 2000-2004, by Richard Atkinson and Contributors.
31  *
32  * Original Author: Richard Atkinson;
33  * Contributor(s): David Gilbert (for Object Refinery Limited);
34  *
35  * $Id: TableXYDataset.java,v 1.2.2.1 2005/10/25 21:36:51 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 22-Sep-2003 : Changed to be an interface. Previous functionality moved to
40  * DefaultTableXYDataset;
41  * 16-Feb-2004 : Updated Javadocs (DG);
42  *
43  */
44
45 package org.jfree.data.xy;
46
47
48 /**
49  * A dataset containing one or more data series containing (x, y) data items,
50  * where all series in the dataset share the same set of x-values. This is a
51  * restricted form of the {@link XYDataset} interface (which allows independent
52  * x-values between series). This is used primarily by the
53  * {@link org.jfree.chart.renderer.xy.StackedXYAreaRenderer}.
54  */
55 public interface TableXYDataset extends XYDataset {
56
57     /**
58      * Returns the number of items every series.
59      *
60      * @return The item count.
61      */
62     public int getItemCount();
63
64 }
65
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