wiki-grav/plugins/email/vendor/symfony/messenger/RoutableMessageBus.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\Component\Messenger;
use Psr\Container\ContainerInterface;
use Symfony\Component\Messenger\Exception\InvalidArgumentException;
use Symfony\Component\Messenger\Stamp\BusNameStamp;
/**
* Bus of buses that is routable using a BusNameStamp.
*
* This is useful when passed to Worker: messages received
* from the transport can be sent to the correct bus.
*
* @author Ryan Weaver <ryan@symfonycasts.com>
*/
class RoutableMessageBus implements MessageBusInterface
{
private $busLocator;
private $fallbackBus;
public function __construct(ContainerInterface $busLocator, ?MessageBusInterface $fallbackBus = null)
{
$this->busLocator = $busLocator;
$this->fallbackBus = $fallbackBus;
}
public function dispatch(object $envelope, array $stamps = []): Envelope
{
if (!$envelope instanceof Envelope) {
throw new InvalidArgumentException('Messages passed to RoutableMessageBus::dispatch() must be inside an Envelope.');
}
/** @var BusNameStamp|null $busNameStamp */
$busNameStamp = $envelope->last(BusNameStamp::class);
if (null === $busNameStamp) {
if (null === $this->fallbackBus) {
throw new InvalidArgumentException('Envelope is missing a BusNameStamp and no fallback message bus is configured on RoutableMessageBus.');
}
return $this->fallbackBus->dispatch($envelope, $stamps);
}
return $this->getMessageBus($busNameStamp->getBusName())->dispatch($envelope, $stamps);
}
/**
* @internal
*/
public function getMessageBus(string $busName): MessageBusInterface
{
if (!$this->busLocator->has($busName)) {
throw new InvalidArgumentException(sprintf('Bus named "%s" does not exist.', $busName));
}
return $this->busLocator->get($busName);
}
}