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Java > Open Source Codes > org > xquark > extractor > sql > SqlConvert


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23 package org.xquark.extractor.sql;
24
25 import org.xquark.jdbc.typing.DbType;
26
27 abstract public class SqlConvert extends SqlExpression {
28
29     private static final String JavaDoc RCSRevision = "$Revision: 1.5 $";
30     private static final String JavaDoc RCSName = "$Name: $";
31
32
33     protected SqlExpression _expression;
34     protected DbType _originalType;
35     protected DbType _targetType;
36
37     public SqlConvert() {
38     }
39
40     public SqlConvert(SqlExpression expr, DbType originalType, DbType targetType) {
41         setExpression(expr);
42         setOriginalType(originalType);
43         setTargetType(targetType);
44     }
45
46     public DbType getOriginalType() {
47         return _originalType;
48     }
49
50     public void setOriginalType(DbType originalType) {
51         _originalType = originalType;
52     }
53
54     public DbType getTargetType() {
55         return _targetType;
56     }
57
58     public void setTargetType(DbType targetType) {
59         _targetType = targetType;
60     }
61
62     public SqlExpression getExpression() {
63         return _expression;
64     }
65
66     public void setExpression(SqlExpression expression) {
67         _expression = expression;
68     }
69
70     abstract public String JavaDoc toSql (Context context);
71 }
72
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