public QueueInterface::releaseItem($item)

Throw this exception to release the item allowing it to be processed again. Hierarchy class

public Memory::numberOfItems() Retrieves the

protected DatabaseQueue::doCreateItem($data) Adds

DatabaseQueue::__construct($name, Connection $connection)

Default queue implementation. Hierarchy class \Drupal\Core\Queue\

If the Drupal 'queue' service implements this interface, the garbageCollection() method will be called during cron. Hierarchy

public DatabaseQueue::garbageCollection() Cleans

public QueueWorkerManager::createInstance($plugin_id, array $configuration

Static queue implementation. This allows "undelayed" variants of processes relying on the Queue interface. The queue data resides in memory