Source code: org/objectstyle/cayenne/map/event/AttributeEvent.java
1 /* ====================================================================
2 *
3 * The ObjectStyle Group Software License, Version 1.0
4 *
5 * Copyright (c) 2002-2003 The ObjectStyle Group
6 * and individual authors of the software. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. The end-user documentation included with the redistribution, if
21 * any, must include the following acknowlegement:
22 * "This product includes software developed by the
23 * ObjectStyle Group (http://objectstyle.org/)."
24 * Alternately, this acknowlegement may appear in the software itself,
25 * if and wherever such third-party acknowlegements normally appear.
26 *
27 * 4. The names "ObjectStyle Group" and "Cayenne"
28 * must not be used to endorse or promote products derived
29 * from this software without prior written permission. For written
30 * permission, please contact andrus@objectstyle.org.
31 *
32 * 5. Products derived from this software may not be called "ObjectStyle"
33 * nor may "ObjectStyle" appear in their names without prior written
34 * permission of the ObjectStyle Group.
35 *
36 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39 * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 * SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This software consists of voluntary contributions made by many
51 * individuals on behalf of the ObjectStyle Group. For more
52 * information on the ObjectStyle Group, please see
53 * <http://objectstyle.org/>.
54 *
55 */
56 package org.objectstyle.cayenne.map.event;
57
58 import org.objectstyle.cayenne.map.Attribute;
59 import org.objectstyle.cayenne.map.Entity;
60
61 /**
62 * Represents events resulted from Attribute changes
63 * in CayenneModeler. This event is used for both ObjAttributes
64 * and DbAttributes.
65 *
66 * @author Misha Shengaout
67 * @author Andrei Adamchik
68 */
69 public class AttributeEvent extends EntityEvent {
70 protected Attribute attribute;
71
72 /** Creates a Attribute change event. */
73 public AttributeEvent(Object src, Attribute attr, Entity entity) {
74 super(src, entity);
75 setAttribute(attr);
76 }
77
78 /** Creates a Attribute event of a specified type. */
79 public AttributeEvent(Object src, Attribute attr, Entity entity, int id) {
80 this(src, attr, entity);
81 setId(id);
82 }
83
84 /** Creates a Attribute name change event.*/
85 public AttributeEvent(Object src, Attribute attr, Entity entity, String oldName) {
86
87 this(src, attr, entity);
88 setOldName(oldName);
89 }
90
91 /** Get attribute (obj or db). */
92 public Attribute getAttribute() {
93 return attribute;
94 }
95
96 /**
97 * Sets the attribute.
98 * @param attribute The attribute to set
99 */
100 public void setAttribute(Attribute attribute) {
101 this.attribute = attribute;
102 }
103
104 public String getNewName() {
105 return (attribute != null) ? attribute.getName() : null;
106 }
107 }