35 lines
1022 B
PHP
35 lines
1022 B
PHP
<?php
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namespace Doctrine\ORM\Utility;
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use Doctrine\Common\Persistence\Mapping\ClassMetadata;
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use Doctrine\ORM\EntityManagerInterface;
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/**
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* Class HierarchyDiscriminatorResolver
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* @package Doctrine\ORM\Utility
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* @internal This class exists only to avoid code duplication, do not reuse it externally
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*/
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class HierarchyDiscriminatorResolver
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{
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public static function resolveDiscriminatorsForClass(
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ClassMetadata $rootClassMetadata,
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EntityManagerInterface $entityManager
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) {
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$hierarchyClasses = $rootClassMetadata->subClasses;
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$hierarchyClasses[] = $rootClassMetadata->name;
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$discriminators = [];
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foreach ($hierarchyClasses as $class) {
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$currentMetadata = $entityManager->getClassMetadata($class);
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$currentDiscriminator = $currentMetadata->discriminatorValue;
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if (null !== $currentDiscriminator) {
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$discriminators[$currentDiscriminator] = null;
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}
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}
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return $discriminators;
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}
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}
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