1 /*
2 * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3 * the spring framework, http://el4j.sf.net
4 * Copyright (C) 2008 by ELCA Informatique SA, Av. de la Harpe 22-24,
5 * 1000 Lausanne, Switzerland, http://www.elca.ch
6 *
7 * EL4J is published under the GNU Lesser General Public License (LGPL)
8 * Version 2.1. See http://www.gnu.org/licenses/
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * For alternative licensing, please contact info@elca.ch
16 */
17 package ch.elca.el4j.services.search.criterias;
18
19 import java.io.Serializable;
20
21 /**
22 * Represents an order imposed upon a {@link QueryObject} result set.
23 * Simplification of Order class of hibernate
24 *
25 * @svnLink $Revision: 3882 $;$Date: 2009-08-04 15:24:14 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/core/src/main/java/ch/elca/el4j/services/search/criterias/Order.java $
26 *
27 * @author Philipp Oser (POS)
28 */
29 public class Order implements Serializable {
30
31 private boolean ascending;
32 private String propertyName;
33
34 public String toString() {
35 return propertyName + ' ' + (ascending?"asc":"desc");
36 }
37
38 /**
39 * Constructor for Order.
40 */
41 protected Order(String propertyName, boolean ascending) {
42 this.propertyName = propertyName;
43 this.ascending = ascending;
44 }
45
46
47 /**
48 * Ascending order
49 *
50 * @param propertyName
51 * @return Order
52 */
53 public static Order asc(String propertyName) {
54 return new Order(propertyName, true);
55 }
56
57 /**
58 * Descending order
59 *
60 * @param propertyName
61 * @return Order
62 */
63 public static Order desc(String propertyName) {
64 return new Order(propertyName, false);
65 }
66
67 public boolean isAscending() {
68 return ascending;
69 }
70
71 public String getPropertyName() {
72 return propertyName;
73 }
74
75 }