/**
  * Update extra time allowed for the delivery execution
  */
 private function updateExtraTime()
 {
     $timer = DeliveryHelper::getDeliveryTimer($this->deliveryExecution);
     $this->addValue(DeliveryMonitoringService::EXTRA_TIME, $timer->getExtraTime(), true);
     $this->addValue(DeliveryMonitoringService::CONSUMED_EXTRA_TIME, $timer->getConsumedExtraTime(), true);
 }