<?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\Component\Messenger\Middleware;
use Symfony\Component\Messenger\Envelope;
use Symfony\Component\Messenger\Stamp\BusNameStamp;
/**
* Adds the BusNameStamp to the bus.
*
* @author Ryan Weaver <ryan@symfonycasts.com>
*/
class AddBusNameStampMiddleware implements MiddlewareInterface
{
private $busName;
public function __construct(string $busName)
{
$this->busName = $busName;
}
public function handle(Envelope $envelope, StackInterface $stack): Envelope
{
if (null === $envelope->last(BusNameStamp::class)) {
$envelope = $envelope->with(new BusNameStamp($this->busName));
}
return $stack->next()->handle($envelope, $stack);
}
}