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 * XYIntervalDataItem.java
029 * -----------------------
030 * (C) Copyright 2006-2008, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * Changes
036 * -------
037 * 20-Oct-2006 : Version 1 (DG);
038 *
039 */
040
041 package org.jfree.data.xy;
042
043 import org.jfree.data.ComparableObjectItem;
044
045 /**
046 * An item representing data in the form (x, x-low, x-high, y, y-low, y-high).
047 *
048 * @since 1.0.3
049 */
050 public class XYIntervalDataItem extends ComparableObjectItem {
051
052 /**
053 * Creates a new instance of <code>XYIntervalItem</code>.
054 *
055 * @param x the x-value.
056 * @param xLow the lower bound of the x-interval.
057 * @param xHigh the upper bound of the x-interval.
058 * @param y the y-value.
059 * @param yLow the lower bound of the y-interval.
060 * @param yHigh the upper bound of the y-interval.
061 */
062 public XYIntervalDataItem(double x, double xLow, double xHigh, double y,
063 double yLow, double yHigh) {
064 super(new Double(x), new XYInterval(xLow, xHigh, y, yLow, yHigh));
065 }
066
067 /**
068 * Returns the x-value.
069 *
070 * @return The x-value (never <code>null</code>).
071 */
072 public Double getX() {
073 return (Double) getComparable();
074 }
075
076 /**
077 * Returns the y-value.
078 *
079 * @return The y-value.
080 */
081 public double getYValue() {
082 XYInterval interval = (XYInterval) getObject();
083 if (interval != null) {
084 return interval.getY();
085 }
086 else {
087 return Double.NaN;
088 }
089 }
090
091 /**
092 * Returns the lower bound of the x-interval.
093 *
094 * @return The lower bound of the x-interval.
095 */
096 public double getXLowValue() {
097 XYInterval interval = (XYInterval) getObject();
098 if (interval != null) {
099 return interval.getXLow();
100 }
101 else {
102 return Double.NaN;
103 }
104 }
105
106 /**
107 * Returns the upper bound of the x-interval.
108 *
109 * @return The upper bound of the x-interval.
110 */
111 public double getXHighValue() {
112 XYInterval interval = (XYInterval) getObject();
113 if (interval != null) {
114 return interval.getXHigh();
115 }
116 else {
117 return Double.NaN;
118 }
119 }
120
121 /**
122 * Returns the lower bound of the y-interval.
123 *
124 * @return The lower bound of the y-interval.
125 */
126 public double getYLowValue() {
127 XYInterval interval = (XYInterval) getObject();
128 if (interval != null) {
129 return interval.getYLow();
130 }
131 else {
132 return Double.NaN;
133 }
134 }
135
136 /**
137 * Returns the upper bound of the y-interval.
138 *
139 * @return The upper bound of the y-interval.
140 */
141 public double getYHighValue() {
142 XYInterval interval = (XYInterval) getObject();
143 if (interval != null) {
144 return interval.getYHigh();
145 }
146 else {
147 return Double.NaN;
148 }
149 }
150
151 }