001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2007, 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 2001-2007, 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 /**
045 * An extension of the {@link XYZDataset} interface that allows a range of data
046 * to be defined for any of the X values, the Y values, and the Z values.
047 */
048 public interface IntervalXYZDataset extends XYZDataset {
049
050 /**
051 * Returns the starting X value for the specified series and item.
052 *
053 * @param series the series (zero-based index).
054 * @param item the item within a series (zero-based index).
055 *
056 * @return The starting X value for the specified series and item.
057 */
058 public Number getStartXValue(int series, int item);
059
060 /**
061 * Returns the ending X value for the specified series and item.
062 *
063 * @param series the series (zero-based index).
064 * @param item the item within a series (zero-based index).
065 *
066 * @return The ending X value for the specified series and item.
067 */
068 public Number getEndXValue(int series, int item);
069
070 /**
071 * Returns the starting Y value for the specified series and item.
072 *
073 * @param series the series (zero-based index).
074 * @param item the item within a series (zero-based index).
075 *
076 * @return The starting Y value for the specified series and item.
077 */
078 public Number getStartYValue(int series, int item);
079
080 /**
081 * Returns the ending Y value for the specified series and item.
082 *
083 * @param series the series (zero-based index).
084 * @param item the item within a series (zero-based index).
085 *
086 * @return The ending Y value for the specified series and item.
087 */
088 public Number getEndYValue(int series, int item);
089
090 /**
091 * Returns the starting Z value for the specified series and item.
092 *
093 * @param series the series (zero-based index).
094 * @param item the item within a series (zero-based index).
095 *
096 * @return The starting Z value for the specified series and item.
097 */
098 public Number getStartZValue(int series, int item);
099
100 /**
101 * Returns the ending Z value for the specified series and item.
102 *
103 * @param series the series (zero-based index).
104 * @param item the item within a series (zero-based index).
105 *
106 * @return The ending Z value for the specified series and item.
107 */
108 public Number getEndZValue(int series, int item);
109
110 }