/**
  * restore original alarm time of recurring events
  * 
  * @param Tinebase_Record_Abstract $_record
  * @return void
  */
 protected function _inspectAlarmGet(Tinebase_Record_Abstract $_record)
 {
     foreach ($_record->alarms as $alarm) {
         if ($recurid = $alarm->getOption('recurid')) {
             $alarm->alarm_time = clone $_record->dtstart;
             $alarm->alarm_time->subMinute((int) $alarm->getOption('minutes_before'));
         }
     }
     parent::_inspectAlarmGet($_record);
 }