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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\Transport\Sender;
use Psr\Container\ContainerInterface;
use Symfony\Component\DependencyInjection\ServiceLocator;
use Symfony\Component\Messenger\Envelope;
use Symfony\Component\Messenger\Exception\RuntimeException;
use Symfony\Component\Messenger\Handler\HandlersLocator;
/**
* Maps a message to a list of senders.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class SendersLocator implements SendersLocatorInterface
{
private $sendersMap;
private $sendersLocator;
private $useLegacyLookup = false;
/**
* @param string[][] $sendersMap An array, keyed by "type", set to an array of sender aliases
* @param ContainerInterface $sendersLocator Locator of senders, keyed by sender alias
*/
public function __construct(array $sendersMap, /*ContainerInterface*/ $sendersLocator = null)
{
$this->sendersMap = $sendersMap;
if (\is_array($sendersLocator) || null === $sendersLocator) {
@trigger_error(sprintf('"%s::__construct()" requires a "%s" as 2nd argument. Not doing so is deprecated since Symfony 4.3 and will be required in 5.0.', __CLASS__, ContainerInterface::class), \E_USER_DEPRECATED);
// "%s" requires a "%s" as 2nd argument. Not doing so is deprecated since Symfony 4.3 and will be required in 5.0.'
$this->sendersLocator = new ServiceLocator([]);
$this->useLegacyLookup = true;
} else {
$this->sendersLocator = $sendersLocator;
}
}
/**
* {@inheritdoc}
*/
public function getSenders(Envelope $envelope): iterable
{
$seen = [];
foreach (HandlersLocator::listTypes($envelope) as $type) {
// the old way of looking up senders
if ($this->useLegacyLookup) {
foreach ($this->sendersMap[$type] ?? [] as $alias => $sender) {
if (!\in_array($sender, $seen, true)) {
yield $alias => $seen[] = $sender;
}
}
continue;
}
foreach ($this->sendersMap[$type] ?? [] as $senderAlias) {
if (!\in_array($senderAlias, $seen, true)) {
if (!$this->sendersLocator->has($senderAlias)) {
throw new RuntimeException(sprintf('Invalid senders configuration: sender "%s" is not in the senders locator.', $senderAlias));
}
$seen[] = $senderAlias;
$sender = $this->sendersLocator->get($senderAlias);
yield $senderAlias => $sender;
}
}
}
}
}