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<?php | |
/** | |
* @file | |
* Contains \Drupal\Core\Annotation\QueueWorker. | |
*/ | |
namespace Drupal\Core\Annotation; | |
use Drupal\Component\Annotation\Plugin; | |
/** | |
* Declare a worker class for processing a queue item. | |
* | |
* Worker plugins are used by some queues for processing the individual items | |
* in the queue. In that case, the ID of the worker plugin needs to match the | |
* machine name of a queue, so that you can retrieve the queue back end by | |
* calling \Drupal\Core\Queue\QueueFactory::get($plugin_id). | |
* | |
* \Drupal\Core\Cron::processQueues() processes queues that use workers; they | |
* can also be processed outside of the cron process. | |
* | |
* Some queues do not use worker plugins: you can create queues, add items to | |
* them, claim them, etc. without using a QueueWorker plugin. However, you will | |
* need to take care of processing the items in the queue in that case. You can | |
* look at \Drupal\Core\Cron::processQueues() for an example of how to process | |
* a queue that uses workers, and adapt it to your queue. | |
* | |
* Plugin Namespace: Plugin\QueueWorker | |
* | |
* For a working example, see | |
* \Drupal\aggregator\Plugin\QueueWorker\AggregatorRefresh. | |
* | |
* @see \Drupal\Core\Queue\QueueWorkerInterface | |
* @see \Drupal\Core\Queue\QueueWorkerBase | |
* @see \Drupal\Core\Queue\QueueWorkerManager | |
* @see plugin_api | |
* | |
* @Annotation | |
*/ | |
class QueueWorker extends Plugin { | |
/** | |
* The plugin ID. | |
* | |
* @var string | |
*/ | |
public $id; | |
/** | |
* The human-readable title of the plugin. | |
* | |
* @ingroup plugin_translatable | |
* | |
* @var \Drupal\Core\Annotation\Translation | |
*/ | |
public $title; | |
/** | |
* An associative array containing the optional key: | |
* - time: (optional) How much time Drupal cron should spend on calling | |
* this worker in seconds. Defaults to 15. | |
* | |
* @var array (optional) | |
*/ | |
public $cron; | |
} |