/**
  * Build the configuration handler
  *
  * @param Configuration $configuration
  *
  * @return bool|AbstractTimeTable
  */
 protected function buildConfigurationHandler(Configuration $configuration)
 {
     $handler = 'HDNET\\Calendarize\\Service\\TimeTable\\' . ucfirst($configuration->getType()) . 'TimeTable';
     if (!class_exists($handler)) {
         return false;
     }
     return HelperUtility::create($handler);
 }