false );
true );
	private void initializeResultClass( DataEngineImpl dataEngine, Map appContext )			throws DataException	{		try		{			IQueryResults left = getResultSetQuery( dataEngine,					dataSet.getLeftDataSetDesignName( ),					appContext,					dataSet.getJoinConditions( ),					false );			IQueryResults right = getResultSetQuery( dataEngine,					dataSet.getRightDataSetDesignName( ),					appContext,					dataSet.getJoinConditions( ),					false );			JointResultMetadata meta = getJointResultMetadata( left.getResultMetaData( ),					right.getResultMetaData( ) );			resultClass = meta.getResultClass( );		}		catch ( BirtException be )		{			throw DataException.wrap( be );		}	}