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


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
26 public class SqlBinOpBoolean extends SqlBinaryOperator
27 {
28
29     private static final String JavaDoc RCSRevision = "$Revision: 1.4 $";
30     private static final String JavaDoc RCSName = "$Name: $";
31
32     private int _operator;
33
34     public SqlBinOpBoolean(int operator, SqlExpression leftOperand, SqlExpression rightOperand)
35     {
36         super ( leftOperand, rightOperand );
37         setOperator ( operator ) ;
38     }
39
40     /**
41     @roseuid 3BD177D20177
42      */
43     public SqlBinOpBoolean()
44     {
45
46     }
47
48     /**
49     Access method for the _operator property.
50     @return the current value of the _operator property
51     @roseuid 3BD177D20344
52      */
53     public int getOperator()
54     {
55         return _operator;
56     }
57
58     /**
59     Sets the value of the _operator property.
60     @param aOperator the new value of the _operator property
61     @roseuid 3BD177D20376
62      */
63     public void setOperator(int aOperator)
64     {
65         _operator = aOperator;
66     }
67
68     /**
69     @return String
70     @roseuid 3BD177D3001A
71      */
72     public String JavaDoc toSql(Context context)
73     {
74         //Trace.enter(this,"toSql(Context context)");
75 StringBuffer JavaDoc retVal = new StringBuffer JavaDoc();
76
77         retVal.append("(");
78         retVal.append(getLeftOperand().toSql(context));
79         retVal.append(") ");
80
81         retVal.append(BOOLEAN_OPERATORS [_operator]);
82
83         retVal.append(" (");
84         retVal.append(getRightOperand().toSql(context));
85         retVal.append(")");
86
87         //Trace.exit(this,"toSql(Context context)", retVal);
88 return retVal.toString();
89     }
90 }
91
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