/
AbstractHandlerLocator.php
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/
AbstractHandlerLocator.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\Handler\Locator;
use Symfony\Component\Messenger\Envelope;
use Symfony\Component\Messenger\Exception\NoHandlerForMessageException;
/**
* @author Miha Vrhovnik <miha.vrhovnik@gmail.com>
* @author Samuel Roze <samuel.roze@gmail.com>
*
* @internal
*/
abstract class AbstractHandlerLocator implements HandlerLocatorInterface
{
public function getHandler(Envelope $envelope): callable
{
$class = \get_class($envelope->getMessage());
if ($handler = $this->getHandlerByName($class)) {
return $handler;
}
foreach (class_parents($class) as $name) {
if ($handler = $this->getHandlerByName($name)) {
return $handler;
}
}
foreach (class_implements($class) as $name) {
if ($handler = $this->getHandlerByName($name)) {
return $handler;
}
}
throw new NoHandlerForMessageException(sprintf('No handler for message "%s".', $class));
}
abstract protected function getHandlerByName(string $name): ?callable;
}