public function pause($force = false)
    {
        if ($force || in_array(
            $this->JobStatus,
            [QueuedJob::STATUS_WAIT, QueuedJob::STATUS_RUN, QueuedJob::STATUS_INIT]
        )) {
            $this->JobStatus = QueuedJob::STATUS_PAUSED;
            $this->write();
            return true;
        }
        return false;
    }