1 /*
2 * JasperReports - Free Java Reporting Library.
3 * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
4 * http://www.jaspersoft.com
5 *
6 * Unless you have purchased a commercial license agreement from Jaspersoft,
7 * the following license terms apply:
8 *
9 * This program is part of JasperReports.
10 *
11 * JasperReports is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * JasperReports is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
23 */
24 package net.sf.jasperreports.engine.fill;
25
26
27 /**
28 * @author Teodor Danciu (teodord@users.sourceforge.net)
29 */
30 public abstract class AbstractValueProvider
31 {
32
33
34 /**
35 *
36 */
37 private static AbstractValueProvider currentValueProvider =
38 new AbstractValueProvider()
39 {
40 @Override
41 public Object getValue(JRCalculable calculable)
42 {
43 return calculable.getValue();
44 }
45 };
46
47 /**
48 *
49 */
50 private static AbstractValueProvider estimatedValueProvider =
51 new AbstractValueProvider()
52 {
53 @Override
54 public Object getValue(JRCalculable calculable)
55 {
56 return ((JRFillVariable) calculable).getEstimatedValue();
57 }
58 };
59
60
61 /**
62 *
63 */
64 public static AbstractValueProvider getCurrentValueProvider()
65 {
66 return currentValueProvider;
67 }
68
69
70 /**
71 *
72 */
73 public static AbstractValueProvider getEstimatedValueProvider()
74 {
75 return estimatedValueProvider;
76 }
77
78
79 /**
80 *
81 */
82 public abstract Object getValue(JRCalculable calculable);
83
84
85 }
86