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<?php
namespace Illuminate\Cache;
use Illuminate\Contracts\Cache\Lock as LockContract;
class RedisLock extends Lock implements LockContract
{
/**
* The Redis factory implementation.
*
* @var \Illuminate\Redis\Connections\Connection
*/
protected $redis;
/**
* Create a new lock instance.
*
* @param \Illuminate\Redis\Connections\Connection $redis
* @param string $name
* @param int $seconds
* @return void
*/
public function __construct($redis, $name, $seconds)
{
parent::__construct($name, $seconds);
$this->redis = $redis;
}
/**
* Attempt to acquire the lock.
*
* @return bool
*/
public function acquire()
{
$result = $this->redis->setnx($this->name, 1);
if ($result === 1 && $this->seconds > 0) {
$this->redis->expire($this->name, $this->seconds);
}
return $result === 1;
}
/**
* Release the lock.
*
* @return void
*/
public function release()
{
$this->redis->del($this->name);
}
}
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