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vendor/doctrine/doctrine-bundle/Repository/LazyServiceEntityRepository.php

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+<?php
+
+namespace Doctrine\Bundle\DoctrineBundle\Repository;
+
+use Doctrine\ORM\EntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+use LogicException;
+use Symfony\Component\VarExporter\LazyObjectInterface;
+
+use function debug_backtrace;
+use function sprintf;
+
+use const DEBUG_BACKTRACE_IGNORE_ARGS;
+
+/**
+ * @internal Extend {@see ServiceEntityRepository} instead.
+ *
+ * @template T of object
+ * @template-extends EntityRepository<T>
+ */
+class LazyServiceEntityRepository extends EntityRepository implements ServiceEntityRepositoryInterface
+{
+    private ManagerRegistry $registry;
+    private string $entityClass;
+
+    /**
+     * @param string $entityClass The class name of the entity this repository manages
+     * @psalm-param class-string<T> $entityClass
+     */
+    public function __construct(ManagerRegistry $registry, string $entityClass)
+    {
+        $this->registry    = $registry;
+        $this->entityClass = $entityClass;
+
+        if ($this instanceof LazyObjectInterface) {
+            $this->initialize();
+
+            return;
+        }
+
+        unset($this->_em);
+        unset($this->_class);
+        unset($this->_entityName);
+    }
+
+    /** @return mixed */
+    public function __get(string $name)
+    {
+        $this->initialize();
+
+        $scope = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)[1]['class'] ?? null;
+
+        return (function () use ($name) {
+            return $this->$name;
+        })->bindTo($this, $scope)();
+    }
+
+    public function __isset(string $name): bool
+    {
+        $this->initialize();
+
+        $scope = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)[1]['class'] ?? null;
+
+        return (function () use ($name) {
+            return isset($this->$name);
+        })->bindTo($this, $scope)();
+    }
+
+    private function initialize(): void
+    {
+        $manager = $this->registry->getManagerForClass($this->entityClass);
+
+        if ($manager === null) {
+            throw new LogicException(sprintf(
+                'Could not find the entity manager for class "%s". Check your Doctrine configuration to make sure it is configured to load this entity’s metadata.',
+                $this->entityClass,
+            ));
+        }
+
+        parent::__construct($manager, $manager->getClassMetadata($this->entityClass));
+    }
+}