public static function setDefaultCriteriaFilter()
 {
     if (is_null(self::$s_criteria_filter)) {
         self::$s_criteria_filter = new criteriaFilter();
     }
     $c = new Criteria();
     $c->add(self::STATUS, PermissionStatus::DELETED, criteria::NOT_EQUAL);
     self::$s_criteria_filter->setFilter($c);
 }