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.search.value.QStringValue;
26  import org.efaps.db.wrapper.SQLPart;
27  import org.efaps.db.wrapper.SQLSelect;
28  import org.efaps.util.EFapsException;
29  
30  /**
31   * TODO comment!
32   *
33   * @author The eFaps Team
34   * @version $Id$
35   */
36  public class QMatch
37      extends AbstractQAttrCompare
38  {
39      /**
40       * Constructor setting attribute and value.
41       * @param _attribute Attribute to be checked for greater
42       * @param _value     value as criteria
43       */
44      public QMatch(final QAttribute _attribute,
45                    final AbstractQValue _value)
46      {
47          super(_attribute, _value);
48      }
49  
50      /**
51       * {@inheritDoc}
52       */
53      @Override
54      public QMatch appendSQL(final SQLSelect _sql)
55          throws EFapsException
56      {
57          getAttribute().appendSQL(_sql);
58          if (getValue() instanceof QStringValue) {
59              _sql.addPart(SQLPart.LIKE);
60          } else {
61              _sql.addPart(SQLPart.EQUAL);
62          }
63          getValue().appendSQL(_sql);
64          return this;
65      }
66  }