3 namespace Drupal\Core\Queue;
5 use Drupal\Core\Cache\CacheBackendInterface;
6 use Drupal\Core\Extension\ModuleHandlerInterface;
7 use Drupal\Core\Plugin\DefaultPluginManager;
10 * Defines the queue worker manager.
12 * @see \Drupal\Core\Queue\QueueWorkerInterface
13 * @see \Drupal\Core\Queue\QueueWorkerBase
14 * @see \Drupal\Core\Annotation\QueueWorker
17 class QueueWorkerManager extends DefaultPluginManager implements QueueWorkerManagerInterface {
20 * Constructs an QueueWorkerManager object.
22 * @param \Traversable $namespaces
23 * An object that implements \Traversable which contains the root paths
24 * keyed by the corresponding namespace to look for plugin implementations.
25 * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
26 * Cache backend instance to use.
27 * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
30 public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
31 parent::__construct('Plugin/QueueWorker', $namespaces, $module_handler, 'Drupal\Core\Queue\QueueWorkerInterface', 'Drupal\Core\Annotation\QueueWorker');
33 $this->setCacheBackend($cache_backend, 'queue_plugins');
34 $this->alterInfo('queue_info');
40 public function processDefinition(&$definition, $plugin_id) {
41 parent::processDefinition($definition, $plugin_id);
43 // Assign a default time if a cron is specified.
44 if (isset($definition['cron'])) {
45 $definition['cron'] += [
54 * @return \Drupal\Core\Queue\QueueWorkerInterface
56 public function createInstance($plugin_id, array $configuration = []) {
57 return parent::createInstance($plugin_id, $configuration);