01: /*
02: *
03: * The DbUnit Database Testing Framework
04: * Copyright (C)2002-2004, DbUnit.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * 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 9, 2003
29: * @version $Revision: 554 $
30: */
31: public class ForwardOnlyTable implements ITable {
32:
33: /**
34: * Logger for this class
35: */
36: private static final Logger logger = LoggerFactory
37: .getLogger(ForwardOnlyTable.class);
38:
39: private final ITable _table;
40: private int _lastRow = -1;
41:
42: public ForwardOnlyTable(ITable table) {
43: _table = table;
44: }
45:
46: ////////////////////////////////////////////////////////////////////////////
47: // ITable interface
48:
49: public ITableMetaData getTableMetaData() {
50: logger.debug("getTableMetaData() - start");
51:
52: return _table.getTableMetaData();
53: }
54:
55: public int getRowCount() {
56: logger.debug("getRowCount() - start");
57:
58: throw new UnsupportedOperationException();
59: }
60:
61: public Object getValue(int row, String column)
62: throws DataSetException {
63: logger.debug("getValue(row=" + row + ", column=" + column
64: + ") - start");
65:
66: if (row < _lastRow) {
67: throw new UnsupportedOperationException(
68: "Cannot go backward!");
69: }
70:
71: _lastRow = row;
72: return _table.getValue(row, column);
73: }
74: }
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