class UpdateCacheBackendFactory in Drupal 8

Cache factory implementation for use during Drupal database updates.

Decorates the regular runtime cache_factory service so that caches use \Drupal\Core\Update\UpdateBackend.

Hierarchy

• class \Drupal\Core\Update\UpdateCacheBackendFactory implements CacheFactoryInterface

See also

\Drupal\Core\Update\UpdateServiceProvider::register()

File

core/lib/Drupal/Core/Update/UpdateCacheBackendFactory.php, line 15

Namespace

Drupal\Core\Update

class UpdateCacheBackendFactory implements CacheFactoryInterface {

  /**
   * The regular runtime cache_factory service.
   *
   * @var \Drupal\Core\Cache\CacheFactoryInterface
   */
  protected $cacheFactory;

  /**
   * Instantiated update cache bins.
   *
   * @var \Drupal\Core\Update\UpdateBackend[]
   */
  protected $bins = [];

  /**
   * UpdateCacheBackendFactory constructor.
   *
   * @param \Drupal\Core\Cache\CacheFactoryInterface $cache_factory
   *   The regular runtime cache_factory service.
   */
  public function __construct(CacheFactoryInterface $cache_factory) {
    $this->cacheFactory = $cache_factory;
  }

  /**
   * {@inheritdoc}
   */
  public function get($bin) {
    if (!isset($this->bins[$bin])) {
      $this->bins[$bin] = new UpdateBackend($this->cacheFactory
        ->get($bin), $bin);
    }
    return $this->bins[$bin];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
UpdateCacheBackendFactory::$bins	protected	property	Instantiated update cache bins.
UpdateCacheBackendFactory::$cacheFactory	protected	property	The regular runtime cache_factory service.
UpdateCacheBackendFactory::get	public	function	Gets a cache backend class for a given cache bin. Overrides CacheFactoryInterface::get
UpdateCacheBackendFactory::__construct	public	function	UpdateCacheBackendFactory constructor.