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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\Bundle\FrameworkBundle\CacheWarmer;
use Psr\Container\ContainerInterface;
use Symfony\Bundle\FrameworkBundle\DependencyInjection\CompatibilityServiceSubscriberInterface as ServiceSubscriberInterface;
use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
use Symfony\Component\Routing\RouterInterface;
/**
* Generates the router matcher and generator classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final
*/
class RouterCacheWarmer implements CacheWarmerInterface, ServiceSubscriberInterface
{
private $container;
public function __construct(ContainerInterface $container)
{
// As this cache warmer is optional, dependencies should be lazy-loaded, that's why a container should be injected.
$this->container = $container;
}
/**
* Warms up the cache.
*
* @param string $cacheDir The cache directory
*/
public function warmUp($cacheDir)
{
$router = $this->container->get('router');
if ($router instanceof WarmableInterface) {
$router->warmUp($cacheDir);
return;
}
@trigger_error(sprintf('Passing a %s without implementing %s is deprecated since Symfony 4.1.', RouterInterface::class, WarmableInterface::class), \E_USER_DEPRECATED);
}
/**
* Checks whether this warmer is optional or not.
*
* @return bool always true
*/
public function isOptional(): bool
{
return true;
}
/**
* {@inheritdoc}
*/
public static function getSubscribedServices(): array
{
return [
'router' => RouterInterface::class,
];
}
}