class PersistentDatabaseLockBackend

Same name in this branch
  1. 9 core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\ProxyClass\Lock\PersistentDatabaseLockBackend
Same name and namespace in other branches
  1. 11.x core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\ProxyClass\Lock\PersistentDatabaseLockBackend
  2. 11.x core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\Lock\PersistentDatabaseLockBackend
  3. 10 core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\ProxyClass\Lock\PersistentDatabaseLockBackend
  4. 10 core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\Lock\PersistentDatabaseLockBackend
  5. 8.9.x core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\ProxyClass\Lock\PersistentDatabaseLockBackend
  6. 8.9.x core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php \Drupal\Core\Lock\PersistentDatabaseLockBackend

Defines the persistent database lock backend.

This backend is global for this Drupal installation.

Hierarchy

Expanded class hierarchy of PersistentDatabaseLockBackend

Related topics

1 string reference to 'PersistentDatabaseLockBackend'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses PersistentDatabaseLockBackend
lock.persistent in core/core.services.yml
Drupal\Core\Lock\PersistentDatabaseLockBackend

File

core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php, line 14

Namespace

Drupal\Core\Lock
View source
class PersistentDatabaseLockBackend extends DatabaseLockBackend {
  
  /**
   * Constructs a new PersistentDatabaseLockBackend.
   *
   * @param \Drupal\Core\Database\Connection $database
   *   The database connection.
   */
  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';
  }

}

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