GraphAware\Neo4j\OGM\Repository\BaseRepository::hydrateRelationshipEntity PHP Метод

    public function hydrateRelationshipEntity(RelationshipEntityMetadata $reMetadata, array $reMap, NodeEntityMetadata $startNodeMetadata, NodeEntityMetadata $endNodeMetadata, $baseInstance, RelationshipMetadata $relationshipEntity, $pov = null)
    {
        /** @var \GraphAware\Neo4j\Client\Formatter\Type\Relationship $rel */
        $rel = $reMap['rel'];
        $relId = $rel->identity();
        if (null !== ($possibleRE = $this->entityManager->getUnitOfWork()->getRelationshipEntityById($relId))) {
            return $possibleRE;
        }
        $start = $this->hydrateNode($reMap['start'], $startNodeMetadata->getClassName(), true);
        $end = $this->hydrateNode($reMap['end'], $endNodeMetadata->getClassName(), true);
        $reInstance = $reMetadata->newInstance();
        $reMetadata->setId($reInstance, $relId);
        $reMetadata->setStartNodeProperty($reInstance, $start);
        $reMetadata->setEndNodeProperty($reInstance, $end);
        $this->entityManager->getUnitOfWork()->addManagedRelationshipEntity($reInstance, $baseInstance, $relationshipEntity->getPropertyName());
        $reMetadata->setId($reInstance, $relId);
        $otherToSet = $relationshipEntity->getDirection() === 'INCOMING' ? $reMetadata->getStartNodeValue($reInstance) : $reMetadata->getEndNodeValue($reInstance);
        $possiblyMapped = $relationshipEntity->getDirection() === 'INCOMING' ? $reMetadata->getStartNodePropertyName() : $reMetadata->getEndNodePropertyName();
        $otherMetadata = $this->entityManager->getClassMetadataFor(get_class($otherToSet));
        foreach ($otherMetadata->getRelationships() as $relationship) {
            if ($relationship->getDirection() !== $relationshipEntity->getDirection() && $relationship->hasMappedByProperty() && $relationship->getMappedByProperty() === $possiblyMapped) {
                if ($relationship->isCollection()) {
                    if (null !== $this->entityManager->getUnitOfWork()->getEntityById($otherMetadata->getIdValue($otherToSet))) {
                        $relationship->initializeCollection($otherToSet);
                        $relationship->addToCollection($otherToSet, $reInstance);
                    }
                } else {
                    if (null === $relationship->getValue($otherToSet)) {
                        $relationship->setValue($otherToSet, $reInstance);
                    }
                }
            }
        }
        foreach ($rel->values() as $k => $value) {
            if (null !== ($prop = $reMetadata->getPropertyMetadata($k))) {
                $prop->setValue($reInstance, $value);
            }
        }
        //$this->entityManager->getUnitOfWork()->addManagedRelationshipEntity($reInstance, $baseInstance, $relationshipEntity->getPropertyName());
        return $reInstance;
    }