CompositeTable.java
- /*
- *
- * The DbUnit Database Testing Framework
- * Copyright (C)2002-2004, DbUnit.org
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- package org.dbunit.dataset;
- import java.util.Arrays;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * @author Manuel Laflamme
- * @version $Revision$
- * @since Feb 17, 2002
- */
- public class CompositeTable extends AbstractTable {
- /**
- * Logger for this class
- */
- private static final Logger logger =
- LoggerFactory.getLogger(CompositeTable.class);
- private final ITableMetaData _metaData;
- private final ITable[] _tables;
- /**
- * Creates a composite table that combines the specified metadata with the
- * specified table.
- */
- public CompositeTable(ITableMetaData metaData, ITable table) {
- _metaData = metaData;
- _tables = new ITable[] {table};
- }
- /**
- * Creates a composite table that combines the specified metadata with the
- * specified tables.
- */
- public CompositeTable(ITableMetaData metaData, ITable[] tables) {
- _metaData = metaData;
- _tables = tables;
- }
- /**
- * Creates a composite table that combines the specified specified tables.
- * The metadata from the first table is used as metadata for the new table.
- */
- public CompositeTable(ITable table1, ITable table2) {
- _metaData = table1.getTableMetaData();
- _tables = new ITable[] {table1, table2};
- }
- /**
- * Creates a composite dataset that encapsulate the specified table with a
- * new name.
- */
- public CompositeTable(String newName, ITable table) throws DataSetException {
- ITableMetaData metaData = table.getTableMetaData();
- _metaData =
- new DefaultTableMetaData(newName, metaData.getColumns(),
- metaData.getPrimaryKeys());
- _tables = new ITable[] {table};
- }
- // //////////////////////////////////////////////////////////////////////////
- // ITable interface
- public ITableMetaData getTableMetaData() {
- return _metaData;
- }
- public int getRowCount() {
- logger.debug("getRowCount() - start");
- int totalCount = 0;
- for (int i = 0; i < _tables.length; i++) {
- ITable table = _tables[i];
- totalCount += table.getRowCount();
- }
- return totalCount;
- }
- public Object getValue(int row, String columnName) throws DataSetException {
- if (logger.isDebugEnabled()) {
- logger.debug("getValue(row={}, columnName={}) - start", Integer
- .toString(row), columnName);
- }
- if (row < 0) {
- throw new RowOutOfBoundsException(row + " < 0 ");
- }
- int totalCount = 0;
- for (int i = 0; i < _tables.length; i++) {
- ITable table = _tables[i];
- int count = table.getRowCount();
- if (totalCount + count > row) {
- return table.getValue(row - totalCount, columnName);
- }
- totalCount += count;
- }
- throw new RowOutOfBoundsException(row + " > " + totalCount);
- }
- /**
- * {@inheritDoc}
- */
- public String toString() {
- StringBuilder sb = new StringBuilder(2000);
- sb.append(getClass().getName()).append("[");
- sb.append("_metaData=[").append(_metaData).append("], ");
- sb.append("_tables=[").append(Arrays.toString(_tables)).append("]");
- sb.append("]");
- return sb.toString();
- }
- }