GraphAware\Neo4j\OGM\UnitOfWork::doPersist PHP Method

    public function doPersist($entity, array &$visited)
    {
        $oid = spl_object_hash($entity);
        $this->hashesMap[$oid] = $entity;
        if (isset($visited[$oid])) {
            return;
        }
        $visited[$oid] = $entity;
        $entityState = $this->getEntityState($entity, self::STATE_NEW);
        switch ($entityState) {
            case self::STATE_MANAGED:
                //$this->nodesScheduledForUpdate[$oid] = $entity;
                break;
            case self::STATE_NEW:
                $this->nodesScheduledForCreate[$oid] = $entity;
                break;
            case self::STATE_DELETED:
                throw new \LogicException(sprintf('Node has been deleted'));
        }
        $this->cascadePersist($entity, $visited);
        $this->traverseRelationshipEntities($entity, $visited);
    }