function AliasManager::__construct

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

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.
        }
    }
}