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<?php
namespace Zenstruck\ScheduleBundle\Schedule\Extension;
use Symfony\Component\Lock\LockFactory;
use Symfony\Component\Lock\LockInterface;
/**
* @author Kevin Bond <[email protected]>
*/
abstract class LockingExtension
{
private $ttl;
/** @var LockInterface|null */
private $lock;
public function __construct(int $ttl)
$this->ttl = $ttl;
}
final public function acquireLock(LockFactory $lockFactory, string $mutex): bool
if (null !== $this->lock) {
throw new \LogicException('A lock is already in place.');
$this->lock = $lockFactory->createLock('symfony-schedule-'.$mutex, $this->ttl);
if ($this->lock->acquire()) {
return true;
$this->lock = null;
return false;
final public function releaseLock(): void
if ($this->lock) {
$this->lock->release();
zenstruck /
schedule-bundle
