class ThumbnailDownloader in Drupal 8

Process a queue of media items to fetch their thumbnails.

Plugin annotation

@QueueWorker(
  id = "media_entity_thumbnail",
  title = @Translation("Thumbnail downloader"),
  cron = {"time" = 60}
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Queue\QueueWorkerBase implements QueueWorkerInterface
    • class \Drupal\media\Plugin\QueueWorker\ThumbnailDownloader implements ContainerFactoryPluginInterface

File

core/modules/media/src/Plugin/QueueWorker/ThumbnailDownloader.php, line 19

Namespace

Drupal\media\Plugin\QueueWorker

class ThumbnailDownloader extends QueueWorkerBase implements ContainerFactoryPluginInterface {

  /**
   * The entity type manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a new class instance.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   Entity type manager service.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('entity_type.manager'));
  }

  /**
   * {@inheritdoc}
   */
  public function processItem($data) {

    /** @var \Drupal\media\Entity\Media $media */
    if ($media = $this->entityTypeManager
      ->getStorage('media')
      ->load($data['id'])) {
      $media
        ->updateQueuedThumbnail();
      $media
        ->save();
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
ThumbnailDownloader::$entityTypeManager	protected	property	The entity type manager service.
ThumbnailDownloader::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
ThumbnailDownloader::processItem	public	function	Works on a single queue item. Overrides QueueWorkerInterface::processItem
ThumbnailDownloader::__construct	public	function	Constructs a new class instance. Overrides PluginBase::__construct