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: * An extension of the {@link XYZDataset} interface that allows a range of data
047: * to be defined for any of the X values, the Y values, and the Z values.
048: */
049: public interface IntervalXYZDataset extends XYZDataset {
050:
051: /**
052: * Returns the starting X value for the specified series and item.
053: *
054: * @param series the series (zero-based index).
055: * @param item the item within a series (zero-based index).
056: *
057: * @return The starting X value for the specified series and item.
058: */
059: public Number getStartXValue(int series, int item);
060:
061: /**
062: * Returns the ending X value for the specified series and item.
063: *
064: * @param series the series (zero-based index).
065: * @param item the item within a series (zero-based index).
066: *
067: * @return The ending X value for the specified series and item.
068: */
069: public Number getEndXValue(int series, int item);
070:
071: /**
072: * Returns the starting Y value for the specified series and item.
073: *
074: * @param series the series (zero-based index).
075: * @param item the item within a series (zero-based index).
076: *
077: * @return The starting Y value for the specified series and item.
078: */
079: public Number getStartYValue(int series, int item);
080:
081: /**
082: * Returns the ending Y value for the specified series and item.
083: *
084: * @param series the series (zero-based index).
085: * @param item the item within a series (zero-based index).
086: *
087: * @return The ending Y value for the specified series and item.
088: */
089: public Number getEndYValue(int series, int item);
090:
091: /**
092: * Returns the starting Z value for the specified series and item.
093: *
094: * @param series the series (zero-based index).
095: * @param item the item within a series (zero-based index).
096: *
097: * @return The starting Z value for the specified series and item.
098: */
099: public Number getStartZValue(int series, int item);
100:
101: /**
102: * Returns the ending Z value for the specified series and item.
103: *
104: * @param series the series (zero-based index).
105: * @param item the item within a series (zero-based index).
106: *
107: * @return The ending Z value for the specified series and item.
108: */
109: public Number getEndZValue(int series, int item);
110:
111: }
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