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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ORM\Cache; |
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use Doctrine\ORM\Cache\Persister\CachedPersister; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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use Doctrine\ORM\PersistentCollection; |
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use Doctrine\ORM\Query; |
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use Doctrine\ORM\UnitOfWork; |
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/** |
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* Default hydrator cache for collections |
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*/ |
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class DefaultCollectionHydrator implements CollectionHydrator |
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{ |
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/** @var EntityManagerInterface */ |
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private $em; |
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/** @var UnitOfWork */ |
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private $uow; |
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/** @var mixed[] */ |
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private static $hints = [Query::HINT_CACHE_ENABLED => true]; |
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/** |
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* @param EntityManagerInterface $em The entity manager. |
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*/ |
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public function __construct(EntityManagerInterface $em) |
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{ |
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$this->em = $em; |
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$this->uow = $em->getUnitOfWork(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function buildCacheEntry(ClassMetadata $metadata, CollectionCacheKey $key, $collection) |
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{ |
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$data = []; |
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foreach ($collection as $index => $entity) { |
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$data[$index] = new EntityCacheKey($metadata->getRootClassName(), $this->uow->getEntityIdentifier($entity)); |
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} |
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return new CollectionCacheEntry($data); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function loadCacheEntry( |
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ClassMetadata $metadata, |
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CollectionCacheKey $key, |
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CollectionCacheEntry $entry, |
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PersistentCollection $collection |
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) { |
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/** @var CachedPersister $targetPersister */ |
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$association = $metadata->getProperty($key->association); |
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$targetPersister = $this->uow->getEntityPersister($association->getTargetEntity()); |
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$targetRegion = $targetPersister->getCacheRegion(); |
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$list = []; |
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$entityEntries = $targetRegion->getMultiple($entry); |
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if ($entityEntries === null) { |
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return null; |
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} |
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/** @var EntityCacheEntry[] $entityEntries */ |
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foreach ($entityEntries as $index => $entityEntry) { |
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$data = $entityEntry->resolveAssociationEntries($this->em); |
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$entity = $this->uow->createEntity($entityEntry->class, $data, self::$hints); |
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$collection->hydrateSet($index, $entity); |
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$list[$index] = $entity; |
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} |
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$this->uow->hydrationComplete(); |
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return $list; |
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} |
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} |
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doctrine /
orm
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