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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ORM\Mapping; |
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use Doctrine\Common\Cache\Cache; |
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use Doctrine\Common\EventManager; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadataFactory as PersistenceClassMetadataFactory; |
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use Doctrine\Common\Persistence\Mapping\MappingException as PersistenceMappingException; |
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use Doctrine\DBAL\Platforms; |
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use Doctrine\DBAL\Platforms\AbstractPlatform; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\Event\LoadClassMetadataEventArgs; |
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use Doctrine\ORM\Event\OnClassMetadataNotFoundEventArgs; |
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use Doctrine\ORM\Events; |
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use Doctrine\ORM\Exception\ORMException; |
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use Doctrine\ORM\Reflection\ReflectionService; |
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use Doctrine\ORM\Reflection\RuntimeReflectionService; |
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use Doctrine\ORM\Sequencing\Executor\ValueGenerationExecutor; |
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use Doctrine\ORM\Sequencing\Planning\CompositeValueGenerationPlan; |
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use Doctrine\ORM\Sequencing\Planning\NoopValueGenerationPlan; |
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use Doctrine\ORM\Sequencing\Planning\SingleValueGenerationPlan; |
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use Doctrine\ORM\Utility\StaticClassNameConverter; |
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use InvalidArgumentException; |
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use ReflectionException; |
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use function array_map; |
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use function array_reverse; |
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use function count; |
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use function reset; |
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/** |
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* The ClassMetadataFactory is used to create ClassMetadata objects that contain all the |
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* metadata mapping information of a class which describes how a class should be mapped |
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* to a relational database. |
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*/ |
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class ClassMetadataFactory implements PersistenceClassMetadataFactory |
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{ |
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/** |
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* Salt used by specific Object Manager implementation. |
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* |
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* @var string |
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*/ |
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protected $cacheSalt = '$CLASSMETADATA'; |
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/** @var bool */ |
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protected $initialized = false; |
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/** @var ReflectionService|null */ |
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protected $reflectionService; |
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/** @var EntityManagerInterface|null */ |
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private $em; |
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/** @var AbstractPlatform */ |
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private $targetPlatform; |
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/** @var Driver\MappingDriver */ |
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private $driver; |
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/** @var EventManager */ |
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private $evm; |
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/** @var Cache|null */ |
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private $cacheDriver; |
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/** @var ClassMetadata[] */ |
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private $loadedMetadata = []; |
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/** |
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* Sets the entity manager used to build ClassMetadata instances. |
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*/ |
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public function setEntityManager(EntityManagerInterface $em) |
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{ |
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$this->em = $em; |
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} |
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/** |
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* Sets the cache driver used by the factory to cache ClassMetadata instances. |
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*/ |
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public function setCacheDriver(?Cache $cacheDriver = null) : void |
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{ |
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$this->cacheDriver = $cacheDriver; |
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} |
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/** |
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* Gets the cache driver used by the factory to cache ClassMetadata instances. |
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*/ |
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public function getCacheDriver() : ?Cache |
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{ |
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return $this->cacheDriver; |
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} |
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/** |
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* Returns an array of all the loaded metadata currently in memory. |
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* |
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* @return ClassMetadata[] |
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*/ |
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public function getLoadedMetadata() : array |
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{ |
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return $this->loadedMetadata; |
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} |
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/** |
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* Sets the reflectionService. |
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*/ |
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public function setReflectionService(ReflectionService $reflectionService) : void |
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{ |
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$this->reflectionService = $reflectionService; |
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} |
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/** |
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* Gets the reflection service associated with this metadata factory. |
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*/ |
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public function getReflectionService() : ReflectionService |
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{ |
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if ($this->reflectionService === null) { |
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$this->reflectionService = new RuntimeReflectionService(); |
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} |
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return $this->reflectionService; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function isTransient($className) : bool |
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{ |
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if (! $this->initialized) { |
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$this->initialize(); |
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} |
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$entityClassName = StaticClassNameConverter::getRealClass($className); |
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return $this->getDriver()->isTransient($entityClassName); |
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} |
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/** |
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* Checks whether the factory has the metadata for a class loaded already. |
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* |
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* @param string $className |
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* |
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* @return bool TRUE if the metadata of the class in question is already loaded, FALSE otherwise. |
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*/ |
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public function hasMetadataFor($className) : bool |
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{ |
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return isset($this->loadedMetadata[$className]); |
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} |
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/** |
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* Sets the metadata descriptor for a specific class. |
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* |
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* NOTE: This is only useful in very special cases, like when generating proxy classes. |
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* |
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* @param string $className |
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* @param ClassMetadata $class |
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*/ |
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public function setMetadataFor($className, $class) : void |
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{ |
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$this->loadedMetadata[$className] = $class; |
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} |
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/** |
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* Forces the factory to load the metadata of all classes known to the underlying |
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* mapping driver. |
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* |
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* @return ClassMetadata[] The ClassMetadata instances of all mapped classes. |
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* |
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* @throws InvalidArgumentException |
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* @throws ReflectionException |
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* @throws MappingException |
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* @throws PersistenceMappingException |
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* @throws ORMException |
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*/ |
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public function getAllMetadata() : array |
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{ |
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if (! $this->initialized) { |
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$this->initialize(); |
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} |
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$driver = $this->getDriver(); |
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$metadata = []; |
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foreach ($driver->getAllClassNames() as $className) { |
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$metadata[] = $this->getMetadataFor($className); |
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} |
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return $metadata; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws ORMException |
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*/ |
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protected function initialize() : void |
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{ |
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$this->driver = $this->em->getConfiguration()->getMetadataDriverImpl(); |
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$this->evm = $this->em->getEventManager(); |
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$this->initialized = true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getDriver() : Driver\MappingDriver |
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{ |
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return $this->driver; |
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} |
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public function getTargetPlatform() : Platforms\AbstractPlatform |
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{ |
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if (! $this->targetPlatform) { |
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$this->targetPlatform = $this->em->getConnection()->getDatabasePlatform(); |
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} |
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return $this->targetPlatform; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function isEntity(ClassMetadata $class) : bool |
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{ |
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return isset($class->isMappedSuperclass) && $class->isMappedSuperclass === false; |
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} |
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/** |
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* Gets the class metadata descriptor for a class. |
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* |
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* @param string $className The name of the class. |
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* |
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* @throws InvalidArgumentException |
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* @throws PersistenceMappingException |
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* @throws ORMException |
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*/ |
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public function getMetadataFor($className) : ClassMetadata |
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{ |
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if (isset($this->loadedMetadata[$className])) { |
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return $this->loadedMetadata[$className]; |
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} |
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$entityClassName = StaticClassNameConverter::getRealClass($className); |
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if (isset($this->loadedMetadata[$entityClassName])) { |
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// We do not have the alias name in the map, include it |
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return $this->loadedMetadata[$className] = $this->loadedMetadata[$entityClassName]; |
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} |
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$metadataBuildingContext = $this->newClassMetadataBuildingContext(); |
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$loadingException = null; |
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try { |
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if ($this->cacheDriver) { |
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$cached = $this->cacheDriver->fetch($entityClassName . $this->cacheSalt); |
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if ($cached instanceof ClassMetadata) { |
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$this->loadedMetadata[$entityClassName] = $cached; |
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$cached->wakeupReflection($metadataBuildingContext->getReflectionService()); |
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} else { |
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foreach ($this->loadMetadata($entityClassName, $metadataBuildingContext) as $loadedClass) { |
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$loadedClassName = $loadedClass->getClassName(); |
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$this->cacheDriver->save($loadedClassName . $this->cacheSalt, $loadedClass, null); |
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} |
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} |
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} else { |
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$this->loadMetadata($entityClassName, $metadataBuildingContext); |
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} |
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} catch (PersistenceMappingException $loadingException) { |
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$fallbackMetadataResponse = $this->onNotFoundMetadata($entityClassName, $metadataBuildingContext); |
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if (! $fallbackMetadataResponse) { |
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throw $loadingException; |
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} |
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278
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$this->loadedMetadata[$entityClassName] = $fallbackMetadataResponse; |
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} |
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1952 |
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if ($className !== $entityClassName) { |
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// We do not have the alias name in the map, include it |
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$this->loadedMetadata[$className] = $this->loadedMetadata[$entityClassName]; |
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} |
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1952 |
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$metadataBuildingContext->validate(); |
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288
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1952 |
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return $this->loadedMetadata[$entityClassName]; |
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} |
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291
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/** |
292
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* Loads the metadata of the class in question and all it's ancestors whose metadata |
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* is still not loaded. |
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* |
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* Important: The class $name does not necessarily exist at this point here. |
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* Scenarios in a code-generation setup might have access to XML |
297
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* Mapping files without the actual PHP code existing here. That is why the |
298
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* {@see Doctrine\ORM\Reflection\ReflectionService} interface |
299
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* should be used for reflection. |
300
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* |
301
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* @param string $name The name of the class for which the metadata should get loaded. |
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* |
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* @return ClassMetadata[] |
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* |
305
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* @throws InvalidArgumentException |
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* @throws ORMException |
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*/ |
308
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386 |
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protected function loadMetadata(string $name, ClassMetadataBuildingContext $metadataBuildingContext) : array |
309
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{ |
310
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386 |
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if (! $this->initialized) { |
311
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381 |
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$this->initialize(); |
312
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} |
313
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314
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386 |
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$loaded = []; |
315
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386 |
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$parentClasses = $this->getParentClasses($name); |
316
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375 |
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$parentClasses[] = $name; |
317
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318
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// Move down the hierarchy of parent classes, starting from the topmost class |
319
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375 |
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$parent = null; |
320
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321
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375 |
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foreach ($parentClasses as $className) { |
322
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375 |
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if (isset($this->loadedMetadata[$className])) { |
323
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72 |
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$parent = $this->loadedMetadata[$className]; |
324
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325
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72 |
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continue; |
326
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} |
327
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328
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375 |
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$class = $this->doLoadMetadata($className, $parent, $metadataBuildingContext); |
329
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330
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366 |
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$this->loadedMetadata[$className] = $class; |
331
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332
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366 |
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$parent = $class; |
333
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366 |
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$loaded[] = $class; |
334
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} |
335
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336
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364 |
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array_map([$this, 'resolveDiscriminatorValue'], $loaded); |
337
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338
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364 |
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return $loaded; |
339
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} |
340
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341
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/** |
342
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* Gets an array of parent classes for the given entity class. |
343
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* |
344
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* @param string $name |
345
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* |
346
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* @return string[] |
347
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* |
348
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* @throws InvalidArgumentException |
349
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*/ |
350
|
386 |
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protected function getParentClasses($name) : array |
351
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{ |
352
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// Collect parent classes, ignoring transient (not-mapped) classes. |
353
|
386 |
|
$parentClasses = []; |
354
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355
|
386 |
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foreach (array_reverse($this->getReflectionService()->getParentClasses($name)) as $parentClass) { |
356
|
105 |
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if (! $this->getDriver()->isTransient($parentClass)) { |
357
|
100 |
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$parentClasses[] = $parentClass; |
358
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} |
359
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} |
360
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361
|
375 |
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return $parentClasses; |
362
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} |
363
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|
364
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/** |
365
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* {@inheritdoc} |
366
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*/ |
367
|
12 |
|
protected function onNotFoundMetadata( |
368
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string $className, |
369
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ClassMetadataBuildingContext $metadataBuildingContext |
370
|
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) : ?ClassMetadata { |
371
|
12 |
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if (! $this->evm->hasListeners(Events::onClassMetadataNotFound)) { |
372
|
10 |
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return null; |
373
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} |
374
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375
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2 |
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$eventArgs = new OnClassMetadataNotFoundEventArgs($className, $metadataBuildingContext, $this->em); |
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376
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377
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2 |
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$this->evm->dispatchEvent(Events::onClassMetadataNotFound, $eventArgs); |
378
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379
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2 |
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return $eventArgs->getFoundMetadata(); |
380
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} |
381
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|
382
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/** |
383
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|
* {@inheritdoc} |
384
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|
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* |
385
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* @throws MappingException |
386
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|
|
* @throws ORMException |
387
|
|
|
*/ |
388
|
374 |
|
protected function doLoadMetadata( |
389
|
|
|
string $className, |
390
|
|
|
?ClassMetadata $parent, |
391
|
|
|
ClassMetadataBuildingContext $metadataBuildingContext |
392
|
|
|
) : ?ComponentMetadata { |
393
|
374 |
|
$reflectionService = $metadataBuildingContext->getReflectionService(); |
394
|
374 |
|
$reflectionClass = $reflectionService->getClass($className); |
395
|
374 |
|
$className = $reflectionClass ? $reflectionClass->getName() : $className; |
396
|
|
|
|
397
|
|
|
/** @var ClassMetadata $classMetadata */ |
398
|
374 |
|
$classMetadata = $this->driver->loadMetadataForClass($className, $parent, $metadataBuildingContext); |
399
|
|
|
|
400
|
368 |
|
if ($this->evm->hasListeners(Events::loadClassMetadata)) { |
401
|
6 |
|
$eventArgs = new LoadClassMetadataEventArgs($classMetadata, $this->em); |
|
|
|
|
402
|
|
|
|
403
|
6 |
|
$this->evm->dispatchEvent(Events::loadClassMetadata, $eventArgs); |
404
|
|
|
} |
405
|
|
|
|
406
|
368 |
|
$classMetadata->wakeupReflection($metadataBuildingContext->getReflectionService()); |
407
|
|
|
|
408
|
368 |
|
$this->buildValueGenerationPlan($classMetadata); |
409
|
368 |
|
$this->validateRuntimeMetadata($classMetadata, $parent); |
410
|
|
|
|
411
|
365 |
|
return $classMetadata; |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* Validate runtime metadata is correctly defined. |
416
|
|
|
* |
417
|
|
|
* @throws MappingException |
418
|
|
|
*/ |
419
|
368 |
|
protected function validateRuntimeMetadata(ClassMetadata $class, ?ClassMetadata $parent = null) : void |
420
|
|
|
{ |
421
|
368 |
|
if (! $class->getReflectionClass()) { |
422
|
|
|
// only validate if there is a reflection class instance |
423
|
|
|
return; |
424
|
|
|
} |
425
|
|
|
|
426
|
368 |
|
$class->validateIdentifier(); |
427
|
368 |
|
$class->validateLifecycleCallbacks($this->getReflectionService()); |
428
|
|
|
|
429
|
|
|
// verify inheritance |
430
|
368 |
|
if (! $class->isMappedSuperclass && $class->inheritanceType !== InheritanceType::NONE) { |
431
|
77 |
|
if (! $parent) { |
432
|
76 |
|
if (! $class->discriminatorMap) { |
|
|
|
|
433
|
3 |
|
throw MappingException::missingDiscriminatorMap($class->getClassName()); |
434
|
|
|
} |
435
|
|
|
|
436
|
73 |
|
if (! $class->discriminatorColumn) { |
437
|
74 |
|
throw MappingException::missingDiscriminatorColumn($class->getClassName()); |
438
|
|
|
} |
439
|
|
|
} |
440
|
329 |
|
} elseif (($class->discriminatorMap || $class->discriminatorColumn) && $class->isMappedSuperclass && $class->isRootEntity()) { |
|
|
|
|
441
|
|
|
// second condition is necessary for mapped superclasses in the middle of an inheritance hierarchy |
442
|
|
|
throw MappingException::noInheritanceOnMappedSuperClass($class->getClassName()); |
443
|
|
|
} |
444
|
365 |
|
} |
445
|
|
|
|
446
|
|
|
/** |
447
|
|
|
* {@inheritdoc} |
448
|
|
|
*/ |
449
|
1968 |
|
protected function newClassMetadataBuildingContext() : ClassMetadataBuildingContext |
450
|
|
|
{ |
451
|
1968 |
|
return new ClassMetadataBuildingContext( |
452
|
1968 |
|
$this, |
453
|
1968 |
|
$this->getReflectionService(), |
454
|
1968 |
|
$this->getTargetPlatform(), |
455
|
1968 |
|
$this->em->getConfiguration()->getNamingStrategy() |
456
|
|
|
); |
457
|
|
|
} |
458
|
|
|
|
459
|
|
|
/** |
460
|
|
|
* Populates the discriminator value of the given metadata (if not set) by iterating over discriminator |
461
|
|
|
* map classes and looking for a fitting one. |
462
|
|
|
* |
463
|
|
|
* @throws InvalidArgumentException |
464
|
|
|
* @throws ReflectionException |
465
|
|
|
* @throws MappingException |
466
|
|
|
* @throws PersistenceMappingException |
467
|
|
|
*/ |
468
|
364 |
|
private function resolveDiscriminatorValue(ClassMetadata $metadata) : void |
469
|
|
|
{ |
470
|
364 |
|
if ($metadata->discriminatorValue || ! $metadata->discriminatorMap || $metadata->isMappedSuperclass || |
|
|
|
|
471
|
364 |
|
! $metadata->getReflectionClass() || $metadata->getReflectionClass()->isAbstract()) { |
472
|
364 |
|
return; |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
// minor optimization: avoid loading related metadata when not needed |
476
|
4 |
|
foreach ($metadata->discriminatorMap as $discriminatorValue => $discriminatorClass) { |
477
|
4 |
|
if ($discriminatorClass === $metadata->getClassName()) { |
478
|
3 |
|
$metadata->discriminatorValue = $discriminatorValue; |
479
|
|
|
|
480
|
3 |
|
return; |
481
|
|
|
} |
482
|
|
|
} |
483
|
|
|
|
484
|
|
|
// iterate over discriminator mappings and resolve actual referenced classes according to existing metadata |
485
|
1 |
|
foreach ($metadata->discriminatorMap as $discriminatorValue => $discriminatorClass) { |
486
|
1 |
|
if ($metadata->getClassName() === $this->getMetadataFor($discriminatorClass)->getClassName()) { |
487
|
|
|
$metadata->discriminatorValue = $discriminatorValue; |
488
|
|
|
|
489
|
|
|
return; |
490
|
|
|
} |
491
|
|
|
} |
492
|
|
|
|
493
|
1 |
|
throw MappingException::mappedClassNotPartOfDiscriminatorMap($metadata->getClassName(), $metadata->getRootClassName()); |
494
|
|
|
} |
495
|
|
|
|
496
|
368 |
|
private function buildValueGenerationPlan(ClassMetadata $class) : void |
497
|
|
|
{ |
498
|
368 |
|
$valueGenerationExecutorList = []; |
499
|
|
|
|
500
|
368 |
|
foreach ($class->getPropertiesIterator() as $property) { |
501
|
368 |
|
$executor = $property->getValueGenerationExecutor($this->getTargetPlatform()); |
502
|
|
|
|
503
|
368 |
|
if ($executor instanceof ValueGenerationExecutor) { |
504
|
309 |
|
$valueGenerationExecutorList[$property->getName()] = $executor; |
505
|
|
|
} |
506
|
|
|
} |
507
|
|
|
|
508
|
368 |
|
switch (count($valueGenerationExecutorList)) { |
509
|
368 |
|
case 0: |
510
|
90 |
|
$valueGenerationPlan = new NoopValueGenerationPlan(); |
511
|
90 |
|
break; |
512
|
|
|
|
513
|
309 |
|
case 1: |
514
|
304 |
|
$valueGenerationPlan = new SingleValueGenerationPlan($class, reset($valueGenerationExecutorList)); |
515
|
304 |
|
break; |
516
|
|
|
|
517
|
|
|
default: |
518
|
18 |
|
$valueGenerationPlan = new CompositeValueGenerationPlan($class, $valueGenerationExecutorList); |
519
|
18 |
|
break; |
520
|
|
|
} |
521
|
|
|
|
522
|
368 |
|
$class->setValueGenerationPlan($valueGenerationPlan); |
523
|
368 |
|
} |
524
|
|
|
} |
525
|
|
|
|