package org.pentaho.reporting.engine.classic.extensions.datasources.olap4j;
import java.util.ArrayList;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.DataRow;
import org.pentaho.reporting.engine.classic.core.ReportDataFactoryException;
import org.pentaho.reporting.engine.classic.core.metadata.DataFactoryMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.DefaultDataFactoryCore;
import org.pentaho.reporting.engine.classic.extensions.datasources.olap4j.connections.DriverConnectionProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.olap4j.connections.JndiConnectionProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.olap4j.connections.OlapConnectionProvider;
/**
* Todo: Document me!
* <p/>
* Date: 17.01.11
* Time: 16:17
*
* @author Thomas Morgner.
*/
public class Olap4jDataFactoryCore extends DefaultDataFactoryCore
{
private static final Log logger = LogFactory.getLog(Olap4jDataFactoryCore.class);
public Olap4jDataFactoryCore()
{
}
public String getDisplayConnectionName(final DataFactoryMetaData metaData,
final DataFactory dataFactory)
{
final AbstractMDXDataFactory mdxDataFactory = (AbstractMDXDataFactory) dataFactory;
final OlapConnectionProvider connectionProvider = mdxDataFactory.getConnectionProvider();
if (connectionProvider instanceof DriverConnectionProvider)
{
final DriverConnectionProvider driverConnectionProvider = (DriverConnectionProvider) connectionProvider;
return driverConnectionProvider.getProperty("::pentaho-reporting::name");
}
else if (connectionProvider instanceof JndiConnectionProvider)
{
final JndiConnectionProvider jndiConnectionProvider = (JndiConnectionProvider) connectionProvider;
return jndiConnectionProvider.getConnectionPath();
}
return null;
}
public Object getQueryHash(final DataFactoryMetaData dataFactoryMetaData,
final DataFactory dataFactory,
final String queryName, final DataRow parameter)
{
final AbstractMDXDataFactory mdxDataFactory = (AbstractMDXDataFactory) dataFactory;
final String queryRaw = mdxDataFactory.translateQuery(queryName);
final Object connection = mdxDataFactory.getConnectionProvider().getConnectionHash();
final ArrayList<Object> list = new ArrayList<Object>();
list.add(dataFactory.getClass());
list.add(queryRaw);
list.add(connection);
return list;
}
public String[] getReferencedFields(final DataFactoryMetaData metaData,
final DataFactory element,
final String query,
final DataRow parameter)
{
try
{
final AbstractMDXDataFactory mdxDataFactory = (AbstractMDXDataFactory) element;
return mdxDataFactory.getParameterFields(parameter, mdxDataFactory.translateQuery(query));
}
catch (ReportDataFactoryException e)
{
logger.warn("Unable to collect referenced fields", e);
return null;
}
}
}