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Java > Open Source Codes > oracle > toplink > essentials > internal > ejb > cmp3 > xml > columns > XMLJoinColumns


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, 2006, Oracle. All rights reserved.
22 package oracle.toplink.essentials.internal.ejb.cmp3.xml.columns;
23
24 import org.w3c.dom.Node JavaDoc;
25 import org.w3c.dom.NodeList JavaDoc;
26
27 import oracle.toplink.essentials.internal.ejb.cmp3.xml.XMLHelper;
28 import oracle.toplink.essentials.internal.ejb.cmp3.xml.XMLConstants;
29
30 import oracle.toplink.essentials.internal.ejb.cmp3.metadata.columns.MetadataJoinColumns;
31
32 /**
33  * Object to hold onto xml join column metadata.
34  *
35  * @author Guy Pelletier
36  * @since TopLink EJB 3.0 Reference Implementation
37  */
38 public class XMLJoinColumns extends MetadataJoinColumns {
39     /**
40      * INTERNAL:
41      */
42     public XMLJoinColumns(Node JavaDoc node, XMLHelper helper) {
43         this(helper.getNodes(node, XMLConstants.JOIN_COLUMN), helper);
44     }
45     
46     /**
47      * INTERNAL:
48      */
49     public XMLJoinColumns(NodeList JavaDoc nodes, XMLHelper helper) {
50         for (int i = 0; i < nodes.getLength(); i++) {
51             m_joinColumns.add(new XMLJoinColumn(nodes.item(i), helper));
52         }
53     }
54     
55     /**
56      * INTERNAL:
57      */
58     public boolean loadedFromXML() {
59         return true;
60     }
61 }
62
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