/**
  * constructor
  *
  * @author Patrick Plichart, <*****@*****.**>
  */
 public function __construct()
 {
     parent::__construct();
     $this->service = taoResults_models_classes_StatisticsService::singleton();
     $this->defaultData();
     //TODO define a hook for implemeitng differently the report structure with an interface
     $this->reportService = taoResults_models_classes_ReportService::singleton();
 }
 public function testSetDataSet()
 {
     $this->reportService->setDataSet($this->dataSet);
 }