    001/* ===========================================================
    002 * JFreeChart : a free chart library for the Java(tm) platform
    003 * ===========================================================
    004 *
    005 * (C) Copyright 2000-2011, 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 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    025 * Other names may be trademarks of their respective owners.]
    026 *
    027 * -----------------------
    028 * IntervalXYZDataset.java
    029 * -----------------------
    030 * (C) Copyright 2001-2008, by Object Refinery Limited.
    031 *
    032 * Original Author:  David Gilbert (for Object Refinery Limited);
    033 * Contributor(s):   -;
    034 *
    035 * Changes
    036 * -------
    037 * 31-Oct-2001 : Version 1 (DG);
    038 *
    039 */
    040
    041package org.jfree.data.xy;
    042
    043/**
    044 * An extension of the {@link XYZDataset} interface that allows a range of data
    045 * to be defined for any of the X values, the Y values, and the Z values.
    046 */
    047public interface IntervalXYZDataset extends XYZDataset {
    048
    049    /**
    050     * Returns the starting X value for the specified series and item.
    051     *
    052     * @param series  the series (zero-based index).
    053     * @param item  the item within a series (zero-based index).
    054     *
    055     * @return The starting X value for the specified series and item.
    056     */
    057    public Number getStartXValue(int series, int item);
    058
    059    /**
    060     * Returns the ending X value for the specified series and item.
    061     *
    062     * @param series  the series (zero-based index).
    063     * @param item  the item within a series (zero-based index).
    064     *
    065     * @return The ending X value for the specified series and item.
    066     */
    067    public Number getEndXValue(int series, int item);
    068
    069    /**
    070     * Returns the starting Y value for the specified series and item.
    071     *
    072     * @param series  the series (zero-based index).
    073     * @param item  the item within a series (zero-based index).
    074     *
    075     * @return The starting Y value for the specified series and item.
    076     */
    077    public Number getStartYValue(int series, int item);
    078
    079    /**
    080     * Returns the ending Y value for the specified series and item.
    081     *
    082     * @param series  the series (zero-based index).
    083     * @param item  the item within a series (zero-based index).
    084     *
    085     * @return The ending Y value for the specified series and item.
    086     */
    087    public Number getEndYValue(int series, int item);
    088
    089    /**
    090     * Returns the starting Z value for the specified series and item.
    091     *
    092     * @param series  the series (zero-based index).
    093     * @param item  the item within a series (zero-based index).
    094     *
    095     * @return The starting Z value for the specified series and item.
    096     */
    097    public Number getStartZValue(int series, int item);
    098
    099    /**
    100     * Returns the ending Z value for the specified series and item.
    101     *
    102     * @param series  the series (zero-based index).
    103     * @param item  the item within a series (zero-based index).
    104     *
    105     * @return The ending Z value for the specified series and item.
    106     */
    107    public Number getEndZValue(int series, int item);
    108
    109}