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

    private function checkRelationshipEntityDeletions($entity)
    {
        $oid = spl_object_hash($entity);
        $id = $this->entityManager->getRelationshipEntityMetadata(get_class($entity))->getIdValue($entity);
        foreach ($this->managedRelationshipEntitiesMap[$oid] as $pov => $field) {
            $e = $this->entitiesById[$this->entityIds[$pov]];
            $entityMetadata = $this->entityManager->getClassMetadataFor(get_class($e));
            $values = $entityMetadata->getRelationship($field)->getValue($e);
            $shouldBeDeleted = true;
            foreach ($values as $v) {
                $id2 = $this->entityManager->getRelationshipEntityMetadata(get_class($entity))->getIdValue($v);
                if ($id2 === $id) {
                    $shouldBeDeleted = false;
                }
            }
            if ($shouldBeDeleted) {
                $this->relEntitesScheduledForDelete[] = $entity;
            }
        }
    }