function PersistentDatabaseLockBackend::__construct

Constructs a new PersistentDatabaseLockBackend.

Parameters

\Drupal\Core\Database\Connection $database: The database connection.

Overrides DatabaseLockBackend::__construct

File

core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php, line 21

Class

PersistentDatabaseLockBackend

Defines the persistent database lock backend. This backend is global for this Drupal installation.

Namespace

Code

public function __construct(Connection $database) {
    // Do not call the parent constructor to avoid registering a shutdown
    // function that releases all the locks at the end of a request.
    $this->database = $database;
    // Set the lockId to a fixed string to make the lock ID the same across
    // multiple requests. The lock ID is used as a page token to relate all the
    // locks set during a request to each other.
    // @see \Drupal\Core\Lock\LockBackendInterface::getLockId()
    $this->lockId = 'persistent';
}