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


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
26 import oracle.toplink.essentials.internal.ejb.cmp3.xml.XMLHelper;
27 import oracle.toplink.essentials.internal.ejb.cmp3.xml.XMLConstants;
28
29 import oracle.toplink.essentials.internal.ejb.cmp3.metadata.columns.MetadataDiscriminatorColumn;
30
31 /**
32  * Object to hold onto an xml discriminator column metadata.
33  *
34  * @author Guy Pelletier
35  * @since TopLink EJB 3.0 Reference Implementation
36  */
37 public class XMLDiscriminatorColumn extends MetadataDiscriminatorColumn {
38     protected Node JavaDoc m_node;
39     protected XMLHelper m_helper;
40     
41     /**
42      * INTERNAL:
43      */
44     public XMLDiscriminatorColumn(Node JavaDoc node, XMLHelper helper) {
45         m_node = node;
46         m_helper = helper;
47     }
48     
49     /**
50      * INTERNAL:
51      */
52     public String JavaDoc getColumnDefinition() {
53         return m_helper.getNodeValue(m_node, XMLConstants.ATT_COLUMN_DEFINITION, DEFAULT_COLUMN_DEFINITION);
54     }
55     
56     /**
57      * INTERNAL:
58      */
59     public String JavaDoc getDiscriminatorType() {
60         return m_helper.getNodeValue(m_node, XMLConstants.ATT_DISCRIMINATOR_TYPE, DEFAULT_DISCRIMINATOR_TYPE);
61     }
62     
63     /**
64      * INTERNAL:
65      */
66     public int getLength() {
67         return m_helper.getNodeValue(m_node, XMLConstants.ATT_LENGTH, DEFAULT_LENGTH);
68     }
69     
70     /**
71      * INTERNAL:
72      */
73     public String JavaDoc getName() {
74         return m_helper.getNodeValue(m_node, XMLConstants.ATT_NAME);
75     }
76 }
77
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