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class DatabaseQueue

Default queue implementation.

Hierarchy

Queue operations
Queue items to allow later processing.

File

core/lib/Drupal/Core/Queue/DatabaseQueue.php, line 14

Namespace

Drupal\Core\Queue

Members

Name Modifiers Type Description
DatabaseQueue::$connection protected property The database connection.
DatabaseQueue::$name protected property The name of the queue this instance is working with.
DatabaseQueue::catchException protected function Act on an exception when queue might be stale.
DatabaseQueue::claimItem public function Claims an item in the queue for processing. Overrides QueueInterface::claimItem
DatabaseQueue::createItem public function Adds a queue item and store it directly to the queue. Overrides QueueInterface::createItem
DatabaseQueue::createQueue public function Creates a queue. Overrides QueueInterface::createQueue
DatabaseQueue::deleteItem public function Deletes a finished item from the queue. Overrides QueueInterface::deleteItem
DatabaseQueue::deleteQueue public function Deletes a queue and every item in the queue. Overrides QueueInterface::deleteQueue
DatabaseQueue::doCreateItem protected function Adds a queue item and store it directly to the queue.
DatabaseQueue::ensureTableExists protected function Check if the table exists and create it if not.
DatabaseQueue::garbageCollection public function Cleans queues of garbage. Overrides QueueGarbageCollectionInterface::garbageCollection
DatabaseQueue::numberOfItems public function Retrieves the number of items in the queue. Overrides QueueInterface::numberOfItems
DatabaseQueue::releaseItem public function Releases an item that the worker could not process. Overrides QueueInterface::releaseItem
DatabaseQueue::schemaDefinition public function Defines the schema for the queue table.
DatabaseQueue::TABLE_NAME constant The database table name.
DatabaseQueue::__construct function Constructs a \Drupal\Core\Queue\DatabaseQueue object.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function
DependencySerializationTrait::__wakeup public function

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Queue!DatabaseQueue.php/class/DatabaseQueue/8.1.x