__construct(Key $key, StoreInterface $store, float $ttl = null, bool $autoRelease = true)

Parameters

Key	$key	Resource to lock
StoreInterface	$store	Store used to handle lock persistence
float	$ttl	Maximum expected lock duration in seconds
bool	$autoRelease	Whether to automatically release the lock or not when the lock instance is destroyed

__destruct()

Automatically releases the underlying lock when the object is destructed.

bool acquire(bool $blocking = false)

Acquires the lock. If the lock is acquired by someone else, the parameter blocking determines whether or not the call should block until the release of the lock.

Parameters

bool

$blocking

Whether or not the Lock should wait for the release of someone else

Return Value

bool	whether or not the lock had been acquired

Exceptions

LockConflictedException	If the lock is acquired by someone else in blocking mode
LockAcquiringException	If the lock can not be acquired

refresh($ttl = null)

Increase the duration of an acquired lock.

Parameters

$ttl

Exceptions

LockConflictedException	If the lock is acquired by someone else
LockAcquiringException	If the lock can not be refreshed

bool isAcquired()

Returns whether or not the lock is acquired.

Return Value

bool

release()

Release the lock.

Exceptions

LockReleasingException

If the lock can not be released

bool isExpired()

Return Value

bool

float|null getRemainingLifetime()

Returns the remaining lifetime.

Return Value

float|null

Remaining lifetime in seconds. Null when the lock won't expire.