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1   /*
2    *
3    * The DbUnit Database Testing Framework
4    * Copyright (C)2002-2004, DbUnit.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or (at your option) any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   *
20   */
21  
22  package org.dbunit.dataset.datatype;
23  
24  import org.slf4j.Logger;
25  import org.slf4j.LoggerFactory;
26  
27  import org.dbunit.dataset.ITable;
28  
29  import java.sql.Types;
30  
31  /**
32   * @author Manuel Laflamme
33   * @version $Revision$
34   */
35  public class UnknownDataType extends AbstractDataType
36  {
37  
38      /**
39       * Logger for this class
40       */
41      private static final Logger logger = LoggerFactory.getLogger(UnknownDataType.class);
42  
43      UnknownDataType()
44      {
45          super("UNKNOWN", Types.OTHER, Object.class, false);
46      }
47  
48      ////////////////////////////////////////////////////////////////////////////
49      // DataType class
50  
51      public Object typeCast(Object value) throws TypeCastException
52      {
53          logger.debug("typeCast(value={}) - start", value);
54  
55          if (value == ITable.NO_VALUE)
56          {
57              return null;
58          }
59  
60          return value;
61      }
62  
63      public int compare(Object o1, Object o2) throws TypeCastException
64      {
65          logger.debug("compare(o1={}, o2={}) - start", o1, o2);
66  
67          // New since dbunit 2.4 for performance optimization (avoid the "asString")
68          if(areObjectsEqual(o1, o2))
69          {
70              return 0;
71          }
72          
73          return super.compare(asString(o1), asString(o2));
74      }
75  }
76  
77  
78  
79  
80