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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ODM\MongoDB\Tools; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\ODM\MongoDB\Event\LoadClassMetadataEventArgs; |
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use Doctrine\ODM\MongoDB\Event\OnClassMetadataNotFoundEventArgs; |
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use Doctrine\ODM\MongoDB\Events; |
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use Doctrine\ODM\MongoDB\Mapping\ClassMetadata; |
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use function array_key_exists; |
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use function array_replace_recursive; |
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use function ltrim; |
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/** |
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* ResolveTargetDocumentListener |
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* |
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* Mechanism to overwrite document interfaces or classes specified as association targets. |
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*/ |
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class ResolveTargetDocumentListener implements EventSubscriber |
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{ |
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/** @var array */ |
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private $resolveTargetDocuments = []; |
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/** |
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* {@inheritDoc} |
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*/ |
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2 |
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public function getSubscribedEvents() |
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{ |
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return [ |
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Events::loadClassMetadata, |
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Events::onClassMetadataNotFound, |
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]; |
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} |
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/** |
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* Add a target-document class name to resolve to a new class name. |
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*/ |
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public function addResolveTargetDocument(string $originalDocument, string $newDocument, array $mapping) : void |
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{ |
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$mapping['targetDocument'] = ltrim($newDocument, '\\'); |
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$this->resolveTargetDocuments[ltrim($originalDocument, '\\')] = $mapping; |
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} |
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/** |
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* @internal this is an event callback, and should not be called directly |
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* |
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* @return void |
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*/ |
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public function onClassMetadataNotFound(OnClassMetadataNotFoundEventArgs $args) |
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{ |
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if (! array_key_exists($args->getClassName(), $this->resolveTargetDocuments)) { |
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return; |
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} |
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$args->setFoundMetadata( |
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$args |
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->getDocumentManager() |
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->getClassMetadata($this->resolveTargetDocuments[$args->getClassName()]['targetDocument']) |
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); |
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} |
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/** |
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* Process event and resolve new target document names. |
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*/ |
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public function loadClassMetadata(LoadClassMetadataEventArgs $args) : void |
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{ |
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/** @var ClassMetadata $cm */ |
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$cm = $args->getClassMetadata(); |
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foreach ($cm->associationMappings as $mapping) { |
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if (! isset($this->resolveTargetDocuments[$mapping['targetDocument']])) { |
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continue; |
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} |
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$this->remapAssociation($cm, $mapping); |
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} |
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} |
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private function remapAssociation(ClassMetadata $classMetadata, array $mapping) : void |
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{ |
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$newMapping = $this->resolveTargetDocuments[$mapping['targetDocument']]; |
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$newMapping = array_replace_recursive($mapping, $newMapping); |
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$newMapping['fieldName'] = $mapping['fieldName']; |
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// clear reference case of duplicate exception |
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unset($classMetadata->fieldMappings[$mapping['fieldName']]); |
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unset($classMetadata->associationMappings[$mapping['fieldName']]); |
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switch ($mapping['association']) { |
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case ClassMetadata::REFERENCE_ONE: |
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$classMetadata->mapOneReference($newMapping); |
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break; |
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case ClassMetadata::REFERENCE_MANY: |
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$classMetadata->mapManyReference($newMapping); |
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break; |
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case ClassMetadata::EMBED_ONE: |
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$classMetadata->mapOneEmbedded($newMapping); |
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break; |
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case ClassMetadata::EMBED_MANY: |
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$classMetadata->mapManyEmbedded($newMapping); |
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break; |
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} |
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2 |
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} |
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} |
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doctrine /
mongodb-odm
