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Java > Open Source Codes > org > objectweb > jorm > mapper > rdb > genclass > RdbFieldDesc


1 /**
2  * JORM: an implementation of a generic mapping system for persistent Java
3  * objects. Two mapping are supported: to RDBMS and to binary files.
4  * Copyright (C) 2001-2003 France Telecom R&D - INRIA
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  * Contact: jorm-team@objectweb.org
21  *
22  */
23
24 package org.objectweb.jorm.mapper.rdb.genclass;
25
26 import org.objectweb.jorm.genclass.api.FieldDesc;
27 import org.objectweb.jorm.type.api.PType;
28
29 /**
30  * This class provides a description of a JORM field to be mapped to a RDBMS.
31  * It allows the association of a column name to a field.
32  * @author P. Dechamboux
33  */
34
35 public class RdbFieldDesc extends FieldDesc {
36     /**
37      * The column name to which the JORM field should be mapped.
38      */
39     public String JavaDoc columnName;
40
41     /**
42      * The column type to which the JORM field should be mapped.
43      */
44     public String JavaDoc columnType;
45
46     /**
47      * This field maps to a column that belongs to another table. It completes
48      * a reference element.
49      */
50     public boolean isRefExtField = false;
51
52     /**
53      * It constructs an RdbFieldDesc.
54      */
55     public RdbFieldDesc(String JavaDoc fn, String JavaDoc cfn, PType ft, String JavaDoc cn, String JavaDoc ct) {
56         super(fn, cfn, ft);
57         columnName = cn;
58         columnType = ct;
59     }
60
61     /**
62      * It constructs an RdbFieldDesc.
63      */
64     public RdbFieldDesc(String JavaDoc fn, String JavaDoc cfn, PType ft, String JavaDoc cn, String JavaDoc ct, int sz, int scale) {
65         super(fn, cfn, ft, sz, scale);
66         columnName = cn;
67         columnType = ct;
68     }
69
70     /**
71      * It constructs an RdbFieldDesc.
72      */
73     public RdbFieldDesc(String JavaDoc fn, String JavaDoc cfn, PType ft, String JavaDoc cn, String JavaDoc ct, boolean isRefExtField) {
74         this(fn, cfn, ft, cn, ct);
75         this.isRefExtField = isRefExtField;
76     }
77
78     /**
79      * It constructs an RdbFieldDesc.
80      */
81     public RdbFieldDesc(String JavaDoc fn, String JavaDoc cfn, PType ft, String JavaDoc cn, String JavaDoc ct, int sz, int scale, boolean isRefExtField) {
82         this(fn, cfn, ft, cn, ct, sz, scale);
83         this.isRefExtField = isRefExtField;
84     }
85 }
86
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