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DoctrineCloseConnectionMiddleware.php
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DoctrineCloseConnectionMiddleware.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Doctrine\Messenger;
use Doctrine\Common\Persistence\ManagerRegistry;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Messenger\Envelope;
use Symfony\Component\Messenger\Middleware\MiddlewareInterface;
use Symfony\Component\Messenger\Middleware\StackInterface;
/**
* Closes connection and therefore saves number of connections.
*
* @author Fuong <insidestyles@gmail.com>
*
* @experimental in 4.3
*/
class DoctrineCloseConnectionMiddleware implements MiddlewareInterface
{
private $managerRegistry;
private $entityManagerName;
public function __construct(ManagerRegistry $managerRegistry, string $entityManagerName = null)
{
$this->managerRegistry = $managerRegistry;
$this->entityManagerName = $entityManagerName;
}
/**
* {@inheritdoc}
*/
public function handle(Envelope $envelope, StackInterface $stack): Envelope
{
$entityManager = $this->managerRegistry->getManager($this->entityManagerName);
if (!$entityManager instanceof EntityManagerInterface) {
throw new \InvalidArgumentException(sprintf('The ObjectManager with name "%s" must be an instance of EntityManagerInterface', $this->entityManagerName));
}
try {
$connection = $entityManager->getConnection();
return $stack->next()->handle($envelope, $stack);
} finally {
$connection->close();
}
}
}