1   /*
2    * Copyright 2003 - 2013 The eFaps Team
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   * Revision:        $Rev$
17   * Last Changed:    $Date$
18   * Last Changed By: $Author$
19   */
20  
21  package org.efaps.db.search.compare;
22  
23  import org.efaps.db.search.QAttribute;
24  import org.efaps.db.search.value.AbstractQValue;
25  import org.efaps.db.wrapper.SQLPart;
26  import org.efaps.db.wrapper.SQLSelect;
27  import org.efaps.util.EFapsException;
28  
29  /**
30   * TODO comment!
31   *
32   * @author The eFaps Team
33   * @version $Id$
34   */
35  public class QIsNot
36      extends AbstractQAttrCompare
37  {
38      /**
39       * Constructor setting attribute and value.
40       * @param _attribute Attribute to be checked for greater
41       * @param _value     value as criteria
42       */
43      public QIsNot(final QAttribute _attribute,
44                 final AbstractQValue _value)
45      {
46          super(_attribute, _value);
47      }
48  
49      /**
50       * {@inheritDoc}
51       */
52      @Override
53      public QIsNot appendSQL(final SQLSelect _sql)
54          throws EFapsException
55      {
56          getAttribute().appendSQL(_sql);
57          _sql.addPart(SQLPart.IS).addPart(SQLPart.NOT);
58          getValue().appendSQL(_sql);
59          return this;
60      }
61  }