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Java > Open Source Codes > org > netbeans > modules > j2ee > persistence > entitygenerator > EntityRelation


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.j2ee.persistence.entitygenerator;
21
22 /**
23  * Abstract information about relationship between 2 entity classes
24  * (either CMP or Java Persistence API).
25  *
26  * @author Chris Webster, Pavel Buzek
27  */
28 public class EntityRelation {
29     
30     private RelationshipRole[] roles;
31     private String JavaDoc relationName;
32     
33     public EntityRelation(RelationshipRole roleA, RelationshipRole roleB) {
34         roles = new RelationshipRole[] {roleA, roleB};
35         roleA.setParent(this);
36         roleB.setParent(this);
37     }
38     
39     public void makeRoleNamesUnique() {
40         if (getRoleA().getRoleName().equals(
41                 getRoleB().getRoleName())) {
42             
43             String JavaDoc roleBName = getRoleB().getRoleName() + '1';
44             getRoleB().setRoleName(roleBName);
45         }
46     }
47     
48     public RelationshipRole getRoleA() {
49         return roles[0];
50     }
51     
52     public RelationshipRole getRoleB() {
53         return roles[1];
54     }
55     
56     public void setRoleA(RelationshipRole roleA) {
57         roles[0] = roleA;
58     }
59     
60     public void setRoleB(RelationshipRole roleB) {
61         roles[1] = roleB;
62     }
63     
64     public String JavaDoc toString() {
65         return "\nrelation name " + getRelationName() + // NOI18N
66 "\nroleA = \n\t" + getRoleA() + // NOI18N
67 "\nroleB = \n\t" + getRoleB(); // NOI18N
68 }
69     
70     public String JavaDoc getRelationName() {
71         return relationName;
72     }
73     
74     public void setRelationName(String JavaDoc relationName) {
75         this.relationName = relationName;
76     }
77     
78     public RelationshipRole[] getRoles() {
79         return roles;
80     }
81 }
82
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