IDataEngine dataEngine = executionContext.getDataEngine(); dataEngine.prepare( report, context );
	public DataExtractionTask( ReportEngine engine, IReportRunnable runnable,			ReportDocumentReader reader )	{		super( engine, runnable );				// load the reportR		this.reportDocReader = reader;		executionContext.setReportDocument( reportDocReader );		executionContext.setFactoryMode( false );		executionContext.setPresentationMode( true );		Report report = new ReportParser( ).parse( ( (ReportRunnable) runnable )				.getReport( ) );		executionContext.setReport( report );		setParameterValues( reportDocReader.getParameterValues( ) );	}