private function updateStatus()
    {
        $status = $this->deliveryExecution->getState()->getUri();
        $this->addValue(DeliveryMonitoringService::STATUS, $status, true);
        if ($status == ProctoredDeliveryExecution::STATE_PAUSED) {
            $this->addValue(DeliveryMonitoringService::LAST_PAUSE_TIMESTAMP, microtime(true), true);
        }
    }