001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2022, by David Gilbert 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 2001-2022, by David Gilbert.
031 *
032 * Original Author:  David Gilbert;
033 * Contributor(s):   -;
034 *
035 */
036
037package org.jfree.data.xy;
038
039/**
040 * An extension of the {@link XYZDataset} interface that allows a range of data
041 * to be defined for any of the X values, the Y values, and the Z values.
042 */
043public interface IntervalXYZDataset<S extends Comparable<S>> 
044        extends XYZDataset<S> {
045
046    /**
047     * Returns the starting X value for the specified series and item.
048     *
049     * @param series  the series (zero-based index).
050     * @param item  the item within a series (zero-based index).
051     *
052     * @return The starting X value for the specified series and item.
053     */
054    Number getStartXValue(int series, int item);
055
056    /**
057     * Returns the ending X value for the specified series and item.
058     *
059     * @param series  the series (zero-based index).
060     * @param item  the item within a series (zero-based index).
061     *
062     * @return The ending X value for the specified series and item.
063     */
064    Number getEndXValue(int series, int item);
065
066    /**
067     * Returns the starting Y value for the specified series and item.
068     *
069     * @param series  the series (zero-based index).
070     * @param item  the item within a series (zero-based index).
071     *
072     * @return The starting Y value for the specified series and item.
073     */
074    Number getStartYValue(int series, int item);
075
076    /**
077     * Returns the ending Y value for the specified series and item.
078     *
079     * @param series  the series (zero-based index).
080     * @param item  the item within a series (zero-based index).
081     *
082     * @return The ending Y value for the specified series and item.
083     */
084    Number getEndYValue(int series, int item);
085
086    /**
087     * Returns the starting Z value for the specified series and item.
088     *
089     * @param series  the series (zero-based index).
090     * @param item  the item within a series (zero-based index).
091     *
092     * @return The starting Z value for the specified series and item.
093     */
094    Number getStartZValue(int series, int item);
095
096    /**
097     * Returns the ending Z value for the specified series and item.
098     *
099     * @param series  the series (zero-based index).
100     * @param item  the item within a series (zero-based index).
101     *
102     * @return The ending Z value for the specified series and item.
103     */
104    Number getEndZValue(int series, int item);
105
106}