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<?php |
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declare(strict_types = 1); |
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namespace Drupal\mongodb\Queue; |
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use Drupal\Core\Queue\QueueInterface; |
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use Drupal\mongodb\MongoDb; |
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use MongoDB\Database; |
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/** |
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* Mongodb queue implementation. |
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* |
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* @ingroup queue |
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*/ |
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class MongodbQueue implements QueueInterface { |
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/** |
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* The queue storage. |
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* |
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* @var \MongoDB\Database |
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*/ |
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protected $database; |
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/** |
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* The collection name for the queue. |
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* |
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* @var \MongoDB\Collection[] $collection |
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*/ |
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protected $collection; |
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/** |
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* Constructs a \Drupal\mongodb\Queue\MongodbQueue object. |
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* |
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* @param string $name |
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* The name of the queue. |
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* @param array $settings |
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* Array of Mongodb-related settings for this queue. |
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* @param \MongoDB\Database $database |
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* The database object. |
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*/ |
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public function __construct($name, $settings, Database $database) { |
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$this->name = $name; |
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$this->database = $database; |
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$this->collection = $this->database |
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->selectCollection($name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createItem($data) { |
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try { |
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$id = $this->doCreateItem($data); |
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} |
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catch (\Exception $e) { |
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throw $e; |
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} |
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return $id; |
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} |
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/** |
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* Adds a queue item and store it directly to the queue. |
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* |
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* @param $data |
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* Arbitrary data to be associated with the new task in the queue. |
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* |
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* @return |
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* A unique ID if the item was successfully created and was (best effort) |
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* added to the queue, otherwise FALSE. We don't guarantee the item was |
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* committed to disk etc, but as far as we know, the item is now in the |
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* queue. |
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*/ |
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protected function doCreateItem($data) { |
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$item = [ |
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'name' => $this->name, |
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'data' => $data, |
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'expire' => 0, |
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'created' => time(), |
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]; |
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$result = $this->collection->insertOne($item); |
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return $result->getInsertedId(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function numberOfItems() { |
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try { |
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return (int) MongoDb::countCollection($this->collection); |
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} |
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catch (\Exception $e) { |
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throw $e; |
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// If there is no collection there cannot be any items. |
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return 0; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function claimItem($lease_time = 30) { |
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$newobj = [ |
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'expire' => time() + $lease_time, |
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]; |
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return $this->collection->findOneAndUpdate( |
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[], |
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[ '$set' => $newobj ], |
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[ 'sort' => ['created' => 1],] |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function releaseItem($item) { |
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return $this->collection |
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->updateOne( |
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['_id' => $item->_id], |
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['$set' => |
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[ |
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'expire' => 0 |
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], |
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] |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteItem($item) { |
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try { |
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$this->collection |
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->deleteOne( |
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[ |
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'_id' => $item->_id |
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] |
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); |
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} |
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catch (\Exception $e) { |
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throw $e; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createQueue() { |
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// Create the index. |
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$this->collection->createIndex([ |
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'expire' => 1, |
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'created' => 1 |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteQueue() { |
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try { |
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$this->collection->drop(); |
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} |
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catch (\Exception $e) { |
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throw $e; |
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} |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..