001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2013, 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}