    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jfreechart/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * -------------------
    028     * TableXYDataset.java
    029     * -------------------
    030     * (C) Copyright 2000-2004, by Richard Atkinson and Contributors.
    031     *
    032     * Original Author:  Richard Atkinson;
    033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034     *
    035     * $Id: TableXYDataset.java,v 1.2.2.1 2005/10/25 21:36:51 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 22-Sep-2003 : Changed to be an interface.  Previous functionality moved to
    040     *               DefaultTableXYDataset;
    041     * 16-Feb-2004 : Updated Javadocs (DG);
    042     *
    043     */
    044
    045    package org.jfree.data.xy;
    046
    047
    048    /**
    049     * A dataset containing one or more data series containing (x, y) data items,
    050     * where all series in the dataset share the same set of x-values.  This is a
    051     * restricted form of the {@link XYDataset} interface (which allows independent
    052     * x-values between series). This is used primarily by the
    053     * {@link org.jfree.chart.renderer.xy.StackedXYAreaRenderer}.
    054     */
    055    public interface TableXYDataset extends XYDataset {
    056
    057        /**
    058         * Returns the number of items every series.
    059         *
    060         * @return The item count.
    061         */
    062        public int getItemCount();
    063
    064    }