TYPO3\CMS\Core\Locking\ResourceMutex Class Reference

Public Member Functions
	__construct (LockFactory $lockFactory)
	acquireLock (string $scope, string $key)
	releaseLock (string $scope)

Private Attributes
LockFactory	$lockFactory
LockingStrategyInterface[]	$accessLocks = array( )
LockingStrategyInterface[]	$workerLocks = array( )

Detailed Description

Wrapper for locking API that uses two locks to not exhaust locking resources and still block properly

Definition at line 26 of file ResourceMutex.php.

Constructor & Destructor Documentation

__construct()

TYPO3\CMS\Core\Locking\ResourceMutex::__construct

(

LockFactory

$lockFactory

)

Definition at line 44 of file ResourceMutex.php.

References TYPO3\CMS\Core\Locking\ResourceMutex\$lockFactory.

Member Function Documentation

acquireLock()

TYPO3\CMS\Core\Locking\ResourceMutex::acquireLock	(	string	$scope,
		string	$key
	)

Acquire a specific lock for the given scope

See also

‪\TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::acquireLock

Parameters

string	$scope
string	$key

Exceptions

LockAcquireException
LockCreateException

Definition at line 58 of file ResourceMutex.php.

References TYPO3\CMS\Core\Locking\LockingStrategyInterface\LOCK_CAPABILITY_EXCLUSIVE, and TYPO3\CMS\Core\Locking\LockingStrategyInterface\LOCK_CAPABILITY_NOBLOCK.

releaseLock()

TYPO3\CMS\Core\Locking\ResourceMutex::releaseLock

(

string

$scope

)

Release a worker specific lock

Parameters

string

$scope

Exceptions

LockAcquireException
LockAcquireWouldBlockException

Definition at line 101 of file ResourceMutex.php.

Member Data Documentation

$accessLocks

LockingStrategyInterface [] TYPO3\CMS\Core\Locking\ResourceMutex::$accessLocks = array( )

private

Access lock

Definition at line 36 of file ResourceMutex.php.

$lockFactory

LockFactory TYPO3\CMS\Core\Locking\ResourceMutex::$lockFactory

private

Definition at line 30 of file ResourceMutex.php.

Referenced by TYPO3\CMS\Core\Locking\ResourceMutex\__construct().

$workerLocks

LockingStrategyInterface [] TYPO3\CMS\Core\Locking\ResourceMutex::$workerLocks = array( )

private

Image processing lock

Definition at line 42 of file ResourceMutex.php.