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view core/lib/Drupal/Core/Lock/NullLockBackend.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
---|---|
date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
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<?php namespace Drupal\Core\Lock; /** * Defines a Null lock backend. * * This implementation won't actually lock anything and will always succeed on * lock attempts. * * @ingroup lock */ class NullLockBackend implements LockBackendInterface { /** * Current page lock token identifier. * * @var string */ protected $lockId; /** * {@inheritdoc} */ public function acquire($name, $timeout = 30.0) { return TRUE; } /** * {@inheritdoc} */ public function lockMayBeAvailable($name) { return TRUE; } /** * {@inheritdoc} */ public function wait($name, $delay = 30) {} /** * {@inheritdoc} */ public function release($name) {} /** * {@inheritdoc} */ public function releaseAll($lock_id = NULL) {} /** * {@inheritdoc} */ public function getLockId() { if (!isset($this->lockId)) { $this->lockId = uniqid(mt_rand(), TRUE); } return $this->lockId; } }