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<?php |
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namespace Xsolve\Associate\Metadata; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\EntityRepository; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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class MetadataWrapperProvider |
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{ |
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/** |
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* @var EntityManagerInterface |
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*/ |
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protected $entityManager; |
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/** |
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* @var (ClassMetadataWrapper|null)[] |
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*/ |
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protected $classMetadataWrappers = []; |
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/** |
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* @param EntityManagerInterface $entityManager |
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*/ |
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public function __construct(EntityManagerInterface $entityManager) |
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{ |
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$this->entityManager = $entityManager; |
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} |
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/** |
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* @param array $objects |
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* |
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* @return ClassMetadataWrapper|null |
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*/ |
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public function getClassMetadataWrapperByObjects(array $objects) |
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{ |
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$classNames = array_unique(array_map( |
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function ($object) { return get_class($object); }, |
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$objects |
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)); |
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$classMetadataWrappers = array_map( |
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function (string $className) { return $this->getClassMetadataWrapperByClassName($className); }, |
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$classNames |
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); |
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// If metadata were not available for some objects. |
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if (in_array(null, $classMetadataWrappers, true)) { |
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return null; |
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} |
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$classNames = array_unique(array_map( |
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function (ClassMetadataWrapper $classMetadataWrapper) { |
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return $classMetadataWrapper->getClassName(); |
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}, |
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$classMetadataWrappers |
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)); |
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if (1 === count($classNames)) { |
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return reset($classMetadataWrappers); |
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} |
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$rootClassNames = array_unique(array_map( |
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function (ClassMetadataWrapper $classMetadataWrapper) { |
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return $classMetadataWrapper->getRootClassName(); |
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}, |
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$classMetadataWrappers |
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)); |
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if (1 === count($rootClassNames)) { |
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return $this->getClassMetadataWrapperByClassName( |
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reset($rootClassNames) |
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); |
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} |
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} |
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/** |
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* @param string $className |
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* |
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* @return ClassMetadataWrapper|null |
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* |
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* @throws \Exception |
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*/ |
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public function getClassMetadataWrapperByClassName(string $className) |
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{ |
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if (!array_key_exists($className, $this->classMetadataWrappers)) { |
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$classMetadata = $this->entityManager->getClassMetadata($className); |
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if ($classMetadata instanceof ClassMetadata) { |
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$entityRepository = $this->entityManager->getRepository($className); |
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if (!$entityRepository instanceof EntityRepository) { |
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throw new \Exception(); |
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} |
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$this->classMetadataWrappers[$className] = new ClassMetadataWrapper($this, $entityRepository, $classMetadata); |
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} else { |
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$this->classMetadataWrappers[$className] = null; |
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} |
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} |
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return $this->classMetadataWrappers[$className]; |
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} |
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} |
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xsolve-pl /
xsolve-associate
