01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * CompareNumberExpression.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.function.numeric;
30:
31: import org.jfree.report.function.AbstractCompareExpression;
32:
33: /**
34: * A function that compares a static number with a number read from a field.
35: *
36: * @author Thomas Morgner
37: * @deprecated like all compare functions, using the formula support is easier.
38: */
39: public class CompareNumberExpression extends AbstractCompareExpression {
40: /** The number to which the field's value get compared. */
41: private Double number;
42:
43: /**
44: * Default constructor.
45: */
46: public CompareNumberExpression() {
47: number = new Double(0);
48: }
49:
50: /**
51: * Returns the static value to which the field's value is compared.
52: *
53: * @return the static value.
54: */
55: protected Comparable getComparable() {
56: return number;
57: }
58:
59: /**
60: * Returns the static number value.
61: * @return the static number.
62: */
63: public double getNumber() {
64: return number.doubleValue();
65: }
66:
67: /**
68: * Sets the static number value.
69: * @param number the static number.
70: */
71: public void setNumber(final double number) {
72: this .number = new Double(number);
73: }
74: }
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