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<?php
namespace Illuminate\Cache;
class CacheLock extends Lock
{
/**
* The cache store implementation.
*
* @var \Illuminate\Contracts\Cache\Store
*/
protected $store;
/**
* Create a new lock instance.
*
* @param \Illuminate\Contracts\Cache\Store $store
* @param string $name
* @param int $seconds
* @param string|null $owner
* @return void
*/
public function __construct($store, $name, $seconds, $owner = null)
{
parent::__construct($name, $seconds, $owner);
$this->store = $store;
}
/**
* Attempt to acquire the lock.
*
* @return bool
*/
public function acquire()
{
if (method_exists($this->store, 'add') && $this->seconds > 0) {
return $this->store->add(
$this->name, $this->owner, $this->seconds
);
}
if (! is_null($this->store->get($this->name))) {
return false;
}
return ($this->seconds > 0)
? $this->store->put($this->name, $this->owner, $this->seconds)
: $this->store->forever($this->name, $this->owner);
}
/**
* Release the lock.
*
* @return bool
*/
public function release()
{
if ($this->isOwnedByCurrentProcess()) {
return $this->store->forget($this->name);
}
return false;
}
/**
* Releases this lock regardless of ownership.
*
* @return void
*/
public function forceRelease()
{
$this->store->forget($this->name);
}
/**
* Returns the owner value written into the driver for this lock.
*
* @return mixed
*/
protected function getCurrentOwner()
{
return $this->store->get($this->name);
}
}
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