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Java > Open Source Codes > oracle > toplink > essentials > querykeys > OneToOneQueryKey


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the "License"). You may not use this file except
5  * in compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * glassfish/bootstrap/legal/CDDLv1.0.txt or
9  * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * HEADER in each file and include the License file at
15  * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
16  * add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your
18  * own identifying information: Portions Copyright [yyyy]
19  * [name of copyright owner]
20  */
21 // Copyright (c) 1998, 2005, Oracle. All rights reserved.
22 package oracle.toplink.essentials.querykeys;
23
24 /**
25  * <p>
26  * <b>Purpose</b>: Define an alias to a foreign one to one object.
27  * <p>
28  */
29 public class OneToOneQueryKey extends ForeignReferenceQueryKey {
30     // CR#2466 removed joinCriteria because it is already in ForeignReferenceQueryKey - TW
31
32     /**
33      * INTERNAL:
34      * override the isOneToOneQueryKey() method in the superclass to return true.
35      * @return boolean
36      */
37     public boolean isOneToOneQueryKey() {
38         return true;
39     }
40 }
41
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