001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2005, 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 2001-2004, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * $Id: IntervalXYZDataset.java,v 1.2.2.1 2005/10/25 21:36:51 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 31-Oct-2001 : Version 1 (DG);
040 *
041 */
042
043 package org.jfree.data.xy;
044
045
046 /**
047 * An extension of the {@link XYZDataset} interface that allows a range of data
048 * to be defined for any of the X values, the Y values, and the Z values.
049 */
050 public interface IntervalXYZDataset extends XYZDataset {
051
052 /**
053 * Returns the starting X value for the specified series and item.
054 *
055 * @param series the series (zero-based index).
056 * @param item the item within a series (zero-based index).
057 *
058 * @return The starting X value for the specified series and item.
059 */
060 public Number getStartXValue(int series, int item);
061
062 /**
063 * Returns the ending X value for the specified series and item.
064 *
065 * @param series the series (zero-based index).
066 * @param item the item within a series (zero-based index).
067 *
068 * @return The ending X value for the specified series and item.
069 */
070 public Number getEndXValue(int series, int item);
071
072 /**
073 * Returns the starting Y value for the specified series and item.
074 *
075 * @param series the series (zero-based index).
076 * @param item the item within a series (zero-based index).
077 *
078 * @return The starting Y value for the specified series and item.
079 */
080 public Number getStartYValue(int series, int item);
081
082 /**
083 * Returns the ending Y value for the specified series and item.
084 *
085 * @param series the series (zero-based index).
086 * @param item the item within a series (zero-based index).
087 *
088 * @return The ending Y value for the specified series and item.
089 */
090 public Number getEndYValue(int series, int item);
091
092 /**
093 * Returns the starting Z value for the specified series and item.
094 *
095 * @param series the series (zero-based index).
096 * @param item the item within a series (zero-based index).
097 *
098 * @return The starting Z value for the specified series and item.
099 */
100 public Number getStartZValue(int series, int item);
101
102 /**
103 * Returns the ending Z value for the specified series and item.
104 *
105 * @param series the series (zero-based index).
106 * @param item the item within a series (zero-based index).
107 *
108 * @return The ending Z value for the specified series and item.
109 */
110 public Number getEndZValue(int series, int item);
111
112 }