eventHandler = dataSetDesign.getEventHandler();
	protected DataSetRuntime( IBaseDataSetDesign dataSetDesign, PreparedQuery.Executor queryExecutor)	{		this.dataSetDesign = dataSetDesign;		this.queryExecutor = queryExecutor;		isOpen = true;				/*		 * TODO: TEMPORARY the follow code is temporary. It will be removed once Engine takes over		 * script execution from DtE		 */		if ( eventHandler == null )		{			if ( dataSetDesign instanceof IScriptDataSetDesign )				eventHandler = new ScriptDataSetJSEventHandler( 						(IScriptDataSetDesign) dataSetDesign );			else if ( dataSetDesign instanceof IOdaDataSetDesign)				eventHandler = new DataSetJSEventHandler( dataSetDesign );		}		/*		 * END Temporary 		 */	}