001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-present, 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-present, 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 extends XYZDataset {
044
045    /**
046     * Returns the starting X value for the specified series and item.
047     *
048     * @param series  the series (zero-based index).
049     * @param item  the item within a series (zero-based index).
050     *
051     * @return The starting X value for the specified series and item.
052     */
053    Number getStartXValue(int series, int item);
054
055    /**
056     * Returns the ending X value for the specified series and item.
057     *
058     * @param series  the series (zero-based index).
059     * @param item  the item within a series (zero-based index).
060     *
061     * @return The ending X value for the specified series and item.
062     */
063    Number getEndXValue(int series, int item);
064
065    /**
066     * Returns the starting Y value for the specified series and item.
067     *
068     * @param series  the series (zero-based index).
069     * @param item  the item within a series (zero-based index).
070     *
071     * @return The starting Y value for the specified series and item.
072     */
073    Number getStartYValue(int series, int item);
074
075    /**
076     * Returns the ending Y value for the specified series and item.
077     *
078     * @param series  the series (zero-based index).
079     * @param item  the item within a series (zero-based index).
080     *
081     * @return The ending Y value for the specified series and item.
082     */
083    Number getEndYValue(int series, int item);
084
085    /**
086     * Returns the starting Z value for the specified series and item.
087     *
088     * @param series  the series (zero-based index).
089     * @param item  the item within a series (zero-based index).
090     *
091     * @return The starting Z value for the specified series and item.
092     */
093    Number getStartZValue(int series, int item);
094
095    /**
096     * Returns the ending Z value for the specified series and item.
097     *
098     * @param series  the series (zero-based index).
099     * @param item  the item within a series (zero-based index).
100     *
101     * @return The ending Z value for the specified series and item.
102     */
103    Number getEndZValue(int series, int item);
104
105}