Jackalope\Transport\DoctrineDBAL\CachedClient::getSystemIdForNodeUuid PHP Method

    protected function getSystemIdForNodeUuid($uuid, $workspaceName = null)
    {
        if (empty($this->caches['nodes'])) {
            return parent::getSystemIdForNodeUuid($uuid, $workspaceName);
        }
        if (null === $workspaceName) {
            $workspaceName = $this->workspaceName;
        }
        $cacheKey = "id: {$uuid}, " . $workspaceName;
        $cacheKey = $this->sanitizeKey($cacheKey);
        if (false !== ($result = $this->caches['nodes']->fetch($cacheKey))) {
            if ('false' === $result) {
                return false;
            }
            return $result;
        }
        $nodeId = parent::getSystemIdForNodeUuid($uuid, $workspaceName);
        $this->caches['nodes']->save($cacheKey, $nodeId ? $nodeId : 'false');
        return $nodeId;
    }