DecoratorServicePass.php in Service Container 7

Namespace

Symfony\Component\DependencyInjection\Compiler

File

modules/providers/service_container_symfony/lib/Symfony/Component/DependencyInjection/Compiler/DecoratorServicePass.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Alias;

/**
 * Overwrites a service but keeps the overridden one.
 *
 * @author Christophe Coevoet <[e-mail]>
 * @author Fabien Potencier <[e-mail]>
 */
class DecoratorServicePass implements CompilerPassInterface {
  public function process(ContainerBuilder $container) {
    foreach ($container
      ->getDefinitions() as $id => $definition) {
      if (!($decorated = $definition
        ->getDecoratedService())) {
        continue;
      }
      $definition
        ->setDecoratedService(null);
      list($inner, $renamedId) = $decorated;
      if (!$renamedId) {
        $renamedId = $id . '.inner';
      }

      // we create a new alias/service for the service we are replacing
      // to be able to reference it in the new one
      if ($container
        ->hasAlias($inner)) {
        $alias = $container
          ->getAlias($inner);
        $public = $alias
          ->isPublic();
        $container
          ->setAlias($renamedId, new Alias((string) $alias, false));
      }
      else {
        $definition = $container
          ->getDefinition($inner);
        $public = $definition
          ->isPublic();
        $definition
          ->setPublic(false);
        $container
          ->setDefinition($renamedId, $definition);
      }
      $container
        ->setAlias($inner, new Alias($id, $public));
    }
  }

}

Classes

Name	Description
DecoratorServicePass	Overwrites a service but keeps the overridden one.