Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/olap/JRMondrianQueryExecuter.java
/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
 * 
 * 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.
 * 
 * JasperSoft Corporation
 * 303 Second Street, Suite 450 North
 * San Francisco, CA 94107
 * http://www.jaspersoft.com
 */
package net.sf.jasperreports.olap;

import java.util.Map;

import mondrian.olap.Connection;
import mondrian.olap.Query;
import mondrian.olap.Result;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRDataset;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.query.JRAbstractQueryExecuter;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


/**
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: JRMondrianQueryExecuter.java,v 1.1 2008/09/29 16:22:17 guehene Exp $
 */
public class JRMondrianQueryExecuter extends JRAbstractQueryExecuter
{
	private static final Log log = LogFactory.getLog(JRMondrianQueryExecuter.class);
	
	private Connection connection;
	private Result result;

	public JRMondrianQueryExecuter(JRDataset dataset, Map parametersMap)
	{
		super(dataset, parametersMap);
		
		this.connection = (Connection) getParameterValue(JRMondrianQueryExecuterFactory.PARAMETER_MONDRIAN_CONNECTION);

		if (this.connection == null)
		{
			log.warn("The supplied mondrian.olap.Connection object is null.");
		}
		
		parseQuery();
	}

	protected String getParameterReplacement(String parameterName)
	{
		return String.valueOf(getParameterValue(parameterName));
	}

	public JRDataSource createDatasource() throws JRException
	{
		JRDataSource dataSource = null;
		
		String queryStr = getQueryString();
		if (this.connection != null && queryStr != null)
		{
			if (log.isDebugEnabled())
			{
				log.debug("MDX query: " + queryStr);
			}
			
			Query query = this.connection.parseQuery(queryStr);
			this.result = this.connection.execute(query);
			
			dataSource = new JRMondrianDataSource(this.dataset, this.result);
		}

		return dataSource;
	}

	public void close()
	{
		if (this.result != null)
		{
			this.result.close();
			this.result = null;
		}
	}

	public boolean cancelQuery() throws JRException
	{
		return false;
	}
}
