Cronario\AbstractJob::getData PHP Method

    public function getData($key = null, $default = null)
    {
        if (null === $key) {
            return $this->data;
        }
        return $this->hasData($key) ? $this->data[$key] : $default;
    }

 /**
  * @param AbstractJob $job
  *
  * @return bool
  * @throws \Cronario\Exception\JobException
  */
 public function save(AbstractJob $job)
 {
     $data = $job->getData();
     if (!$job->isStored()) {
         $job->setId(uniqid());
     }
     $this->redis->set($this->namespace . $job->getId(), json_encode($data));
     return true;
 }