/**
  * Checks if a featuretype exists in the database. 
  * 
  * @return Boolean
  * @param $aWfsFeatureType WfsFeatureType
  */
 private static function featureTypeExists($aWfsFeatureType)
 {
     if (WfsToDb::getFeatureTypeId($aWfsFeatureType) !== null) {
         return true;
     }
     return false;
 }