annotate core/lib/Drupal/Core/Lock/NullLockBackend.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\Core\Lock;
Chris@0 4
Chris@0 5 /**
Chris@0 6 * Defines a Null lock backend.
Chris@0 7 *
Chris@0 8 * This implementation won't actually lock anything and will always succeed on
Chris@0 9 * lock attempts.
Chris@0 10 *
Chris@0 11 * @ingroup lock
Chris@0 12 */
Chris@0 13 class NullLockBackend implements LockBackendInterface {
Chris@0 14
Chris@0 15 /**
Chris@0 16 * Current page lock token identifier.
Chris@0 17 *
Chris@0 18 * @var string
Chris@0 19 */
Chris@0 20 protected $lockId;
Chris@0 21
Chris@0 22 /**
Chris@0 23 * {@inheritdoc}
Chris@0 24 */
Chris@0 25 public function acquire($name, $timeout = 30.0) {
Chris@0 26 return TRUE;
Chris@0 27 }
Chris@0 28
Chris@0 29 /**
Chris@0 30 * {@inheritdoc}
Chris@0 31 */
Chris@0 32 public function lockMayBeAvailable($name) {
Chris@0 33 return TRUE;
Chris@0 34 }
Chris@0 35
Chris@0 36 /**
Chris@0 37 * {@inheritdoc}
Chris@0 38 */
Chris@0 39 public function wait($name, $delay = 30) {}
Chris@0 40
Chris@0 41 /**
Chris@0 42 * {@inheritdoc}
Chris@0 43 */
Chris@0 44 public function release($name) {}
Chris@0 45
Chris@0 46 /**
Chris@0 47 * {@inheritdoc}
Chris@0 48 */
Chris@0 49 public function releaseAll($lock_id = NULL) {}
Chris@0 50
Chris@0 51 /**
Chris@0 52 * {@inheritdoc}
Chris@0 53 */
Chris@0 54 public function getLockId() {
Chris@0 55 if (!isset($this->lockId)) {
Chris@0 56 $this->lockId = uniqid(mt_rand(), TRUE);
Chris@0 57 }
Chris@0 58 return $this->lockId;
Chris@0 59 }
Chris@0 60
Chris@0 61 }