Source code: org/objectstyle/cayenne/map/event/RelationshipEvent.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.
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9 * modification, are permitted provided that the following conditions
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12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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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.
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27 * 4. The names "ObjectStyle Group" and "Cayenne"
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50 * This software consists of voluntary contributions made by many
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56 package org.objectstyle.cayenne.map.event;
57
58 import org.objectstyle.cayenne.map.Entity;
59 import org.objectstyle.cayenne.map.Relationship;
60
61 /**
62 * Represents events resulted from Relationship changes
63 * in CayenneModeler. This event is used for both ObjRelationships
64 * and DbRelationships.
65 *
66 *
67 * @author Misha Shengaout
68 * @author Andrei Adamchik
69 */
70 public class RelationshipEvent extends EntityEvent {
71 protected Relationship relationship;
72
73 /** Creates a Relationship change event. */
74 public RelationshipEvent(Object src, Relationship rel, Entity entity) {
75 super(src, entity);
76 setRelationship(rel);
77 }
78
79 /** Creates a Relationship event of a specified type. */
80 public RelationshipEvent(
81 Object src,
82 Relationship rel,
83 Entity entity,
84 int id) {
85
86 this(src, rel, entity);
87 setId(id);
88 }
89
90 /** Creates a Relationship name change event. */
91 public RelationshipEvent(
92 Object src,
93 Relationship rel,
94 Entity entity,
95 String oldName) {
96
97 this(src, rel, entity);
98 setOldName(oldName);
99 }
100
101 /** Returns relationship associated with this event. */
102 public Relationship getRelationship() {
103 return relationship;
104 }
105
106 /**
107 * Sets relationship associated with this event.
108 *
109 * @param relationship The relationship to set
110 */
111 public void setRelationship(Relationship relationship) {
112 this.relationship = relationship;
113 }
114
115 public String getNewName() {
116 return (relationship != null) ? relationship.getName() : null;
117 }
118 }