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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  package org.dbunit.dataset;
22  
23  import org.slf4j.Logger;
24  import org.slf4j.LoggerFactory;
25  
26  /**
27   * @author Manuel Laflamme
28   * @since Apr 5, 2003
29   * @version $Revision$
30   */
31  public class DefaultTableIterator implements ITableIterator
32  {
33  	private Logger logger = LoggerFactory.getLogger(DefaultTableIterator.class);
34  	
35      private final ITable[] _tables;
36      private int _index = -1;
37  
38      public DefaultTableIterator(ITable[] tables)
39      {
40          _tables = tables;
41      }
42  
43      public DefaultTableIterator(ITable[] tables, boolean reversed)
44      {
45          if (reversed)
46          {
47              ITable[] reverseTables = new ITable[tables.length];
48              for (int i = 0; i < tables.length; i++)
49              {
50                  reverseTables[tables.length - 1 - i] = tables[i];
51              }
52              tables = reverseTables;
53          }
54  
55          _tables = tables;
56      }
57  
58      ////////////////////////////////////////////////////////////////////////////
59      // ITableIterator interface
60  
61      public boolean next() throws DataSetException
62      {
63          _index++;
64          return _index < _tables.length;
65      }
66  
67      public ITableMetaData getTableMetaData() throws DataSetException
68      {
69      	logger.debug("getTableMetaData() - start");
70      	
71          return getTable().getTableMetaData();
72      }
73  
74      public ITable getTable() throws DataSetException
75      {
76      	logger.debug("getTable() - start");
77  
78      	return _tables[_index];
79      }
80  }