001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2008, 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 * 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
041 package 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 */
047 public 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 }