public function setStatus($status)
    {
        $this->redis->hset(self::redisKey($this), 'status', $status);

        $oldstatus = $this->status;
        $this->status = $status;

        switch ($status) {
            case self::STATUS_NEW:
                break;
            case self::STATUS_RUNNING:
                if ($oldstatus != self::STATUS_NEW) {
                    Event::fire(Event::WORKER_RESUME, $this);
                }

                break;
            case self::STATUS_PAUSED:
                Event::fire(Event::WORKER_PAUSE, $this);
                break;
        }
    }