public function getDeleteRelationshipQuery($entityIdA, $entityIdB, RelationshipMetadata $relationship)
{
$relString = '';
switch ($relationship->getDirection()) {
case 'OUTGOING':
$relString = '-[r:%s]->';
break;
case 'INCOMING':
$relString = '<-[r:%s]-';
break;
case 'BOTH':
$relString = '-[r:%s]-';
break;
default:
throw new \InvalidArgumentException(sprintf('Direction "%s" is not valid', $relationship->getDirection()));
}
$relStringPart = sprintf($relString, $relationship->getType());
$query = 'MATCH (a), (b) WHERE id(a) = {ida} AND id(b) = {idb}
MATCH (a)' . $relStringPart . '(b)
DELETE r';
return Statement::create($query, ['ida' => $entityIdA, 'idb' => $entityIdB]);
}
public function persistRelationship($entityA, $entityB, RelationshipMetadata $relationship, array &$visited)
{
if ($entityB instanceof Collection || $entityB instanceof ArrayCollection) {
foreach ($entityB as $e) {
$aMeta = $this->entityManager->getClassMetadataFor(get_class($entityA));
$bMeta = $this->entityManager->getClassMetadataFor(get_class($entityB));
$type = $relationship->isRelationshipEntity() ? $this->entityManager->getRelationshipEntityMetadata($relationship->getRelationshipEntityClass())->getType() : $relationship->getType();
$hashStr = $aMeta->getIdValue($entityA) . $bMeta->getIdValue($entityB) . $type . $relationship->getDirection();
$hash = md5($hashStr);
if (!array_key_exists($hash, $this->relationshipsScheduledForCreated)) {
$this->relationshipsScheduledForCreated[] = [$entityA, $relationship, $e, $relationship->getPropertyName()];
}
$this->doPersist($e, $visited);
}
return;
}
$this->doPersist($entityB, $visited);
$this->relationshipsScheduledForCreated[] = [$entityA, $relationship, $entityB, $relationship->getPropertyName()];
}