1. /* ===========================================================

  2.  * JFreeChart : a free chart library for the Java(tm) platform

  3.  * ===========================================================

  4.  *

  5.  * (C) Copyright 2000-2004, 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 under the terms

  10.  * of the GNU Lesser General Public License as published by the Free Software Foundation;

  11.  * either version 2.1 of the License, or (at your option) any later version.

  12.  *

  13.  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

  14.  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  15.  * See the GNU Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public License along with this

  18.  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

  19.  * Boston, MA 02111-1307, USA.

  20.  *

  21.  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

  22.  * in the United States and other countries.]

  23.  *

  24.  * -------------------

  25.  * TableXYDataset.java

  26.  * -------------------

  27.  * (C) Copyright 2000-2004, by Richard Atkinson and Contributors.

  28.  *

  29.  * Original Author:  Richard Atkinson;

  30.  * Contributor(s):   David Gilbert (for Object Refinery Limited);

  31.  *

  32.  * $Id: TableXYDataset.java,v 1.1 2004/08/31 15:36:12 mungady Exp $

  33.  *

  34.  * Changes

  35.  * -------

  36.  * 22-Sep-2003 : Changed to be an interface.  Previous functionality moved to DefaultTableXYDataset;

  37.  * 16-Feb-2004 : Updated Javadocs (DG);

  38.  * 

  39.  */

  40. 

  41. package org.jfree.data.xy;

  42. 

  43. 

  44. /**

  45.  * A dataset containing one or more data series containing (x, y) data items, where all series 

  46.  * in the dataset share the same set of x-values.  This is a restricted form of the 

  47.  * {@link XYDataset} interface (which allows independent x-values between series). This is used 

  48.  * primarily by the {@link org.jfree.chart.renderer.xy.StackedXYAreaRenderer}.

  49.  */

  50. public interface TableXYDataset extends XYDataset {

  51. 

  52.     /**

  53.      * Returns the number of items every series.

  54.      *

  55.      * @return the item count.

  56.      */

  57.     public int getItemCount();

  58. 

  59. }