public function AliasManager::__construct in Drupal 8

Constructs an AliasManager.

Parameters

\Drupal\Core\Path\AliasRepositoryInterface $alias_repository: The path alias repository.

\Drupal\Core\Path\AliasWhitelistInterface $whitelist: The whitelist implementation to use.

\Drupal\Core\Language\LanguageManagerInterface $language_manager: The language manager.

\Drupal\Core\Cache\CacheBackendInterface $cache: Cache backend.

File

core/lib/Drupal/Core/Path/AliasManager.php, line 121

Class

AliasManager

The default alias manager implementation.

Namespace

Drupal\Core\Path

Code

public function __construct($alias_repository, AliasWhitelistInterface $whitelist, LanguageManagerInterface $language_manager, CacheBackendInterface $cache) {
  if (!$alias_repository instanceof AliasRepositoryInterface) {
    @trigger_error('Passing the path.alias_storage service to AliasManager::__construct() is deprecated in drupal:8.8.0 and will be removed before drupal:9.0.0. Pass the new dependencies instead. See https://www.drupal.org/node/3013865.', E_USER_DEPRECATED);
    $alias_repository = \Drupal::service('path_alias.repository');
  }
  $this->pathAliasRepository = $alias_repository;
  $this->languageManager = $language_manager;
  $this->whitelist = $whitelist;
  $this->cache = $cache;

  // This is used as base class by the new class, so we do not trigger
  // deprecation notices when that or any child class is instantiated.
  $new_class = 'Drupal\\path_alias\\AliasManager';
  if (!is_a($this, $new_class) && class_exists($new_class)) {
    @trigger_error('The \\' . __CLASS__ . ' class is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Instead, use \\' . $new_class . '. See https://drupal.org/node/3092086', E_USER_DEPRECATED);

    // Despite being two different services, hence two different class
    // instances, both the new and the legacy alias managers need to share the
    // same internal state to keep the path/alias lookup optimizations
    // working.
    try {
      $alias_manager = \Drupal::service('path_alias.manager');
      if ($alias_manager instanceof $new_class) {
        $synced_properties = [
          'cacheKey',
          'langcodePreloaded',
          'lookupMap',
          'noAlias',
          'noPath',
          'preloadedPathLookups',
        ];
        foreach ($synced_properties as $property) {
          $this->{$property} =& $alias_manager->{$property};
        }
      }
    } catch (ServiceCircularReferenceException $e) {

      // This may happen during installation when the "path_alias" module has
      // not been installed yet. Nothing to do in this case.
    }
  }
}