Defines a batch queue handler used by the Batch API for non-progressive batches. This implementation: Ensures

Defines an interface for a QueueWorker plugin. Hierarchy interface \Drupal\Compon

Instantiated queues, keyed by name. Type:

public DatabaseQueue::releaseItem($item) Releases

public QueueWorkerInterface::processItem($data)

public QueueInterface::createQueue() Creates

public QueueInterface::numberOfItems()

public QueueInterface::deleteQueue() Deletes

QueueFactory::__construct(Settings $settings)

Exception class to throw to indicate that a cron queue should be skipped. An implementation of