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,
065: double y, double yLow, double yHigh) {
066: super (new Double(x),
067: new XYInterval(xLow, xHigh, y, yLow, yHigh));
068: }
069:
070: /**
071: * Returns the x-value.
072: *
073: * @return The x-value (never <code>null</code>).
074: */
075: public Double getX() {
076: return (Double) getComparable();
077: }
078:
079: /**
080: * Returns the y-value.
081: *
082: * @return The y-value.
083: */
084: public double getYValue() {
085: XYInterval interval = (XYInterval) getObject();
086: if (interval != null) {
087: return interval.getY();
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: } else {
103: return Double.NaN;
104: }
105: }
106:
107: /**
108: * Returns the upper bound of the x-interval.
109: *
110: * @return The upper bound of the x-interval.
111: */
112: public double getXHighValue() {
113: XYInterval interval = (XYInterval) getObject();
114: if (interval != null) {
115: return interval.getXHigh();
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: } else {
131: return Double.NaN;
132: }
133: }
134:
135: /**
136: * Returns the upper bound of the y-interval.
137: *
138: * @return The upper bound of the y-interval.
139: */
140: public double getYHighValue() {
141: XYInterval interval = (XYInterval) getObject();
142: if (interval != null) {
143: return interval.getYHigh();
144: } else {
145: return Double.NaN;
146: }
147: }
148:
149: }
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