Mercurial > hg > isophonics-drupal-site
view core/modules/serialization/src/EntityResolver/UuidResolver.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 129ea1e6d783 |
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<?php namespace Drupal\serialization\EntityResolver; use Drupal\Core\Entity\EntityManagerInterface; use Symfony\Component\Serializer\Normalizer\NormalizerInterface; /** * Resolves entities from data that contains an entity UUID. */ class UuidResolver implements EntityResolverInterface { /** * The entity manager. * * @var \Drupal\Core\Entity\EntityManagerInterface */ protected $entityManager; /** * Constructs a UuidResolver object. * * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager * The entity manager. */ public function __construct(EntityManagerInterface $entity_manager) { $this->entityManager = $entity_manager; } /** * {@inheritdoc} */ public function resolve(NormalizerInterface $normalizer, $data, $entity_type) { // The normalizer is what knows the specification of the data being // deserialized. If it can return a UUID from that data, and if there's an // entity with that UUID, then return its ID. if (($normalizer instanceof UuidReferenceInterface) && ($uuid = $normalizer->getUuid($data))) { if ($entity = $this->entityManager->loadEntityByUuid($entity_type, $uuid)) { return $entity->id(); } } return NULL; } }