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<?php |
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namespace Xsolve\Associate\Loader; |
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use Doctrine\Common\Collections\Collection; |
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use Doctrine\ORM\PersistentCollection; |
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use Doctrine\ORM\Proxy\Proxy; |
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use Xsolve\Associate\AssociationCollecting\AssociationCollectingStrategyInterface; |
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use Xsolve\Associate\Metadata\AssociationMetadataWrapper; |
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use Xsolve\Associate\Metadata\ClassMetadataWrapper; |
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use Xsolve\Associate\Metadata\MetadataWrapperProvider; |
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class DoctrineOrmEntityLoader |
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{ |
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/** |
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* @var MetadataWrapperProvider |
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*/ |
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protected $metadataWrapperProvider; |
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/** |
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* @var AssociationCollectingStrategyInterface |
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*/ |
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protected $associationCollectingStrategy; |
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/** |
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* @var DoctrineOrmUninitializedProxiesQueryExecutor |
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*/ |
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protected $uninitializedProxiesQueryExecutor; |
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/** |
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* @var DoctrineOrmNonProxiedAssociationQueryExecutor |
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*/ |
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protected $nonProxiedAssociationQueryExecutor; |
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/** |
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* @var int|null |
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*/ |
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protected $chunkSize = 1000; |
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/** |
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* @param MetadataWrapperProvider $metadataWrapperProvider |
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* @param AssociationCollectingStrategyInterface $associationCollectingStrategy |
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* @param DoctrineOrmUninitializedProxiesQueryExecutor $uninitializedProxiesQueryExecutor |
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* @param DoctrineOrmNonProxiedAssociationQueryExecutor $nonProxiedAssociationQueryExecutor |
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*/ |
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public function __construct( |
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MetadataWrapperProvider $metadataWrapperProvider, |
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AssociationCollectingStrategyInterface $associationCollectingStrategy, |
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DoctrineOrmUninitializedProxiesQueryExecutor $uninitializedProxiesQueryExecutor, |
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DoctrineOrmNonProxiedAssociationQueryExecutor $nonProxiedAssociationQueryExecutor |
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) { |
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$this->metadataWrapperProvider = $metadataWrapperProvider; |
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$this->associationCollectingStrategy = $associationCollectingStrategy; |
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$this->uninitializedProxiesQueryExecutor = $uninitializedProxiesQueryExecutor; |
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$this->nonProxiedAssociationQueryExecutor = $nonProxiedAssociationQueryExecutor; |
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} |
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/** |
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* @param int|null $chunkSize |
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*/ |
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public function setChunkSize(int $chunkSize = null) |
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{ |
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$this->chunkSize = $chunkSize; |
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} |
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/** |
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* @param array $entities |
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* @param ClassMetadataWrapper $classMetadataWrapper |
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*/ |
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public function loadUninitializedProxies(array $entities, ClassMetadataWrapper $classMetadataWrapper) |
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{ |
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$uninitializedProxies = $this->getUninitializedProxies($entities); |
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if (empty($uninitializedProxies)) { |
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return; |
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} |
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foreach ($this->splitIntoChunks($uninitializedProxies) as $uninitializedProxiesChunk) { |
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$this->uninitializedProxiesQueryExecutor->execute($uninitializedProxiesChunk, $classMetadataWrapper); |
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} |
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} |
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/** |
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* @param array $entities |
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* @param AssociationMetadataWrapper $associationMetadataWrapper |
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* |
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* @throws \Exception |
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*/ |
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public function loadAssociatedUninitializedCollectionsAndProxies( |
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array $entities, |
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AssociationMetadataWrapper $associationMetadataWrapper |
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) { |
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// If we have to-one association and we are on the owning side |
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// we can collect uninitialized proxies and bulk load them. |
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if ( |
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$associationMetadataWrapper->isManyToOne() |
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|| ( |
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$associationMetadataWrapper->isOneToOne() |
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&& $associationMetadataWrapper->isOwningSide() |
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) |
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) { |
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$associatedEntities = $this->associationCollectingStrategy->collect( |
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$entities, |
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$associationMetadataWrapper->getName() |
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); |
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$this->loadUninitializedProxies( |
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$associatedEntities, |
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$associationMetadataWrapper->getTargetClassMetadataWrapper() |
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); |
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return; |
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} |
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// Otherwise we have some objects with uninitialized persistent collections. |
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if ( |
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$associationMetadataWrapper->isOneToMany() |
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|| $associationMetadataWrapper->isManyToMany() |
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) { |
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$associatedCollections = $this->associationCollectingStrategy->collect( |
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$entities, |
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$associationMetadataWrapper->getName() |
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); |
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$uninitializedSourceEntities = $this->getUninitializedCollectionOwnerEntities($associatedCollections); |
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foreach ($this->splitIntoChunks($uninitializedSourceEntities) as $uninitializedSourceEntitiesChunk) { |
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$this->nonProxiedAssociationQueryExecutor->execute( |
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$uninitializedSourceEntitiesChunk, |
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$associationMetadataWrapper |
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); |
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} |
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return; |
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} |
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// Or we have one-to-one association with source being the inverse side. |
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if ( |
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$associationMetadataWrapper->isOneToOne() |
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&& $associationMetadataWrapper->isInverseSide() |
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) { |
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// We don't have to do anything as these objects are automatically loaded by Doctrine with separate queries |
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// and there's no way to optimize this. |
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return; |
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} |
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throw new \Exception('Association not handled.'); |
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} |
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/** |
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* @param array $entities |
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* |
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* @return Proxy[] |
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*/ |
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protected function getUninitializedProxies(array $entities): array |
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{ |
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return array_filter( |
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$entities, |
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function ($entity) { |
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return $entity instanceof Proxy && !$entity->__isInitialized(); |
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} |
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); |
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} |
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/** |
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* @param array $collections |
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* |
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* @return Proxy[] |
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*/ |
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protected function getUninitializedCollectionOwnerEntities(array $collections): array |
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{ |
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return array_filter( |
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array_map( |
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function (Collection $collection) { |
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if ( |
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$collection instanceof PersistentCollection |
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&& !$collection->isInitialized() |
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) { |
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return $collection->getOwner(); |
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} |
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}, |
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$collections |
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) |
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); |
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} |
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/** |
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* @param array $items |
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* |
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* @return array |
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*/ |
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protected function splitIntoChunks(array $items): array |
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{ |
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if (is_null($this->chunkSize)) { |
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return $items; |
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} |
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return array_chunk($items, $this->chunkSize); |
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} |
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} |
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xsolve-pl /
xsolve-associate
