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- <?php
- namespace Drupal\Core\KeyValueStore;
- use Drupal\Component\Serialization\SerializationInterface;
- use Drupal\Core\Database\Connection;
- /**
- * Defines the key/value store factory for the database backend.
- */
- class KeyValueDatabaseExpirableFactory implements KeyValueExpirableFactoryInterface {
- /**
- * Holds references to each instantiation so they can be terminated.
- *
- * @var \Drupal\Core\KeyValueStore\DatabaseStorageExpirable[]
- */
- protected $storages = [];
- /**
- * The serialization class to use.
- *
- * @var \Drupal\Component\Serialization\SerializationInterface
- */
- protected $serializer;
- /**
- * The database connection.
- *
- * @var \Drupal\Core\Database\Connection
- */
- protected $connection;
- /**
- * Constructs this factory object.
- *
- * @param \Drupal\Component\Serialization\SerializationInterface $serializer
- * The serialization class to use.
- * @param \Drupal\Core\Database\Connection $connection
- * The Connection object containing the key-value tables.
- */
- public function __construct(SerializationInterface $serializer, Connection $connection) {
- $this->serializer = $serializer;
- $this->connection = $connection;
- }
- /**
- * {@inheritdoc}
- */
- public function get($collection) {
- if (!isset($this->storages[$collection])) {
- $this->storages[$collection] = new DatabaseStorageExpirable($collection, $this->serializer, $this->connection);
- }
- return $this->storages[$collection];
- }
- /**
- * Deletes expired items.
- */
- public function garbageCollection() {
- $this->connection->delete('key_value_expire')
- ->condition('expire', REQUEST_TIME, '<')
- ->execute();
- }
- }
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