PersistentDatabaseLockBackend::__construct

public PersistentDatabaseLockBackend::__construct(Connection $database)

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';
}