001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2006, 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 * XYIntervalDataItem.java
029 * -----------------------
030 * (C) Copyright 2006, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * $Id: XYIntervalDataItem.java,v 1.1.2.1 2006/10/20 15:23:22 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 20-Oct-2006 : Version 1 (DG);
040 *
041 */
042
043 package org.jfree.data.xy;
044
045 import org.jfree.data.ComparableObjectItem;
046
047 /**
048 * An item representing data in the form (x, x-low, x-high, y, y-low, y-high).
049 *
050 * @since 1.0.3
051 */
052 public class XYIntervalDataItem extends ComparableObjectItem {
053
054 /**
055 * Creates a new instance of <code>XYIntervalItem</code>.
056 *
057 * @param x the x-value.
058 * @param xLow the lower bound of the x-interval.
059 * @param xHigh the upper bound of the x-interval.
060 * @param y the y-value.
061 * @param yLow the lower bound of the y-interval.
062 * @param yHigh the upper bound of the y-interval.
063 */
064 public XYIntervalDataItem(double x, double xLow, double xHigh, double y,
065 double yLow, double yHigh) {
066 super(new Double(x), new XYInterval(xLow, xHigh, y, yLow, yHigh));
067 }
068
069 /**
070 * Returns the x-value.
071 *
072 * @return The x-value (never <code>null</code>).
073 */
074 public Double getX() {
075 return (Double) getComparable();
076 }
077
078 /**
079 * Returns the y-value.
080 *
081 * @return The y-value.
082 */
083 public double getYValue() {
084 XYInterval interval = (XYInterval) getObject();
085 if (interval != null) {
086 return interval.getY();
087 }
088 else {
089 return Double.NaN;
090 }
091 }
092
093 /**
094 * Returns the lower bound of the x-interval.
095 *
096 * @return The lower bound of the x-interval.
097 */
098 public double getXLowValue() {
099 XYInterval interval = (XYInterval) getObject();
100 if (interval != null) {
101 return interval.getXLow();
102 }
103 else {
104 return Double.NaN;
105 }
106 }
107
108 /**
109 * Returns the upper bound of the x-interval.
110 *
111 * @return The upper bound of the x-interval.
112 */
113 public double getXHighValue() {
114 XYInterval interval = (XYInterval) getObject();
115 if (interval != null) {
116 return interval.getXHigh();
117 }
118 else {
119 return Double.NaN;
120 }
121 }
122
123 /**
124 * Returns the lower bound of the y-interval.
125 *
126 * @return The lower bound of the y-interval.
127 */
128 public double getYLowValue() {
129 XYInterval interval = (XYInterval) getObject();
130 if (interval != null) {
131 return interval.getYLow();
132 }
133 else {
134 return Double.NaN;
135 }
136 }
137
138 /**
139 * Returns the upper bound of the y-interval.
140 *
141 * @return The upper bound of the y-interval.
142 */
143 public double getYHighValue() {
144 XYInterval interval = (XYInterval) getObject();
145 if (interval != null) {
146 return interval.getYHigh();
147 }
148 else {
149 return Double.NaN;
150 }
151 }
152
153 }