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vendor/doctrine/doctrine-bundle/Orm/ManagerRegistryAwareEntityManagerProvider.php

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+<?php
+
+namespace Doctrine\Bundle\DoctrineBundle\Orm;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Tools\Console\EntityManagerProvider;
+use Doctrine\Persistence\ManagerRegistry;
+use RuntimeException;
+
+use function get_class;
+use function sprintf;
+
+final class ManagerRegistryAwareEntityManagerProvider implements EntityManagerProvider
+{
+    private ManagerRegistry $managerRegistry;
+
+    public function __construct(ManagerRegistry $managerRegistry)
+    {
+        $this->managerRegistry = $managerRegistry;
+    }
+
+    public function getDefaultManager(): EntityManagerInterface
+    {
+        return $this->getManager($this->managerRegistry->getDefaultManagerName());
+    }
+
+    public function getManager(string $name): EntityManagerInterface
+    {
+        $em = $this->managerRegistry->getManager($name);
+
+        if ($em instanceof EntityManagerInterface) {
+            return $em;
+        }
+
+        throw new RuntimeException(
+            sprintf(
+                'Only managers of type "%s" are supported. Instance of "%s given.',
+                EntityManagerInterface::class,
+                get_class($em),
+            ),
+        );
+    }
+}