SqlUnOpNot


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 SqlUnOpNot extends SqlUnaryOperator
27  {
28  
29      private static final String   RCSRevision = "$Revision: 1.4 $";
30      private static final String   RCSName     = "$Name:  $";
31  
32  
33      /**
34      @param Operand
35      @param operand
36      @roseuid 3BD17807003D
37       */
38      public SqlUnOpNot(SqlExpression operand)
39      {
40          super (operand);
41      }
42  
43      /**
44      @roseuid 3BD1780603DF
45       */
46      public SqlUnOpNot()
47      {
48  
49      }
50  
51      /**
52      @return String
53      @roseuid 3BD1780700F1
54       */
55      public String   toSql(Context context)
56      {
57          //Trace.enter(this,"toSql(Context context)");
58  
59          String        retVal  ;
60          retVal = " NOT ( "+getOperand().toSql(context)+ " ) " ;
61  
62          //Trace.exit(this,"toSql",retVal);
63          return retVal ;
64      }
65  }
66
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