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Java > Open Source Codes > com > sun > jdo > api > persistence > support > FieldMapping


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 in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
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 Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.jdo.api.persistence.support;
25
26 /**
27  * FieldMapping inteface is information of a column element for
28  * external user.
29  * @author Shing Wai Chan
30  */
31 public interface FieldMapping {
32     /**
33      * This method will return int corresponding to java.sql.Types.
34      */
35     public int getColumnType();
36
37     /**
38      * This method will return the name of the column.
39      */
40     public String JavaDoc getColumnName();
41
42     /**
43      * This method return -1 if column length is unknown.
44      */
45     public int getColumnLength();
46 }
47
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