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dbUnit is a JUnit extension (also usable from Ant and Maven) targeted for database-driven projects that, among other things, puts your database into a known state between test runs. This is an excellent way to avoid the myriad of problems that can occur when one test case corrupts the database and causes subsequent tests to fail or exacerbate the damage.

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/*
 *
 * 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.database;

import java.sql.PreparedStatement;
import java.sql.SQLException;

import org.dbunit.dataset.DataSetException;
import org.dbunit.dataset.ITableMetaData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author manuel.laflamme
 * @author Last changed by: $Author$
 * @version $Revision$ $Date$
 * @since 2.0 (Jul 31, 2003)
 */
public class CachedResultSetTableFactory implements IResultSetTableFactory
{

    /**
     * Logger for this class
     */
    private static final Logger logger = LoggerFactory.getLogger(CachedResultSetTableFactory.class);

    public IResultSetTable createTable(String tableName, String selectStatement,
            IDatabaseConnection connection) throws SQLException, DataSetException
    {
    	if (logger.isTraceEnabled())	
    		logger.trace("createTable(tableName={}, selectStatement={}, connection={}) - start", 
    				new Object[] { tableName, selectStatement, connection });

        return new CachedResultSetTable(new ForwardOnlyResultSetTable(
                tableName, selectStatement, connection));
    }

    public IResultSetTable createTable(ITableMetaData metaData,
            IDatabaseConnection connection) throws SQLException, DataSetException
    {
        logger.trace("createTable(metaData={}, connection={}) - start", metaData, connection);
        ForwardOnlyResultSetTable resultSetTable = new ForwardOnlyResultSetTable(metaData, connection);
        return new CachedResultSetTable(resultSetTable);
    }
    
    public IResultSetTable createTable(String tableName,
            PreparedStatement preparedStatement, IDatabaseConnection connection) 
    throws SQLException, DataSetException
    {
        if (logger.isTraceEnabled())
            logger.trace("createTable(tableName={}, preparedStatement={}, connection={}) - start",
                new Object[]{ tableName, preparedStatement, connection});
        
        // Reuse method from ForwardOnly factory
        ForwardOnlyResultSetTable table = new ForwardOnlyResultSetTableFactory()
                    .createForwardOnlyResultSetTable(tableName, preparedStatement, connection);
        return new CachedResultSetTable(table);
    }

}