<?php
declare (strict_types=1);
namespace app\common\lock;
use Predis\Client;
/**
 * 订单服务类
 * Class RedisLock
 * @package app\common\lock
 */
class RedisLock
{
    protected $redis;
    protected $lockKey;
    protected $timeout;

    public function __construct($lockKey, $timeout = 30) {
        $this->redis = new Client(config('redis'));
        $this->lockKey = $lockKey;
        $this->timeout = $timeout;
    }

    public function acquireLock() {
        $result = $this->redis->set($this->lockKey, 'locked', 'NX', 'EX', $this->timeout);
        return $result == 'OK';
    }

    public function releaseLock() {
        $this->redis->del($this->lockKey);
    }
}