* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler; use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\Reference; /** * Registers the cache warmers. * * @author Fabien Potencier */ class AddCacheWarmerPass implements CompilerPassInterface { /** * {@inheritdoc} */ public function process(ContainerBuilder $container) { if (!$container->hasDefinition('cache_warmer')) { return; } $warmers = array(); foreach ($container->findTaggedServiceIds('kernel.cache_warmer') as $id => $attributes) { $priority = isset($attributes[0]['priority']) ? $attributes[0]['priority'] : 0; $warmers[$priority][] = new Reference($id); } if (empty($warmers)) { return; } // sort by priority and flatten krsort($warmers); $warmers = \call_user_func_array('array_merge', $warmers); $container->getDefinition('cache_warmer')->replaceArgument(0, $warmers); } }