/**
  * Ensure there is a Cron worker running, before looping.
  *
  * @param type $arguments
  * @param type $options
  */
 protected function preExecute($arguments = array(), $options = array())
 {
     $this->createCloudControl();
     $found = false;
     foreach ($this->getCloudControl()->getWorkerList() as $eachWorker) {
         $details = $this->getCloudControl()->getWorkerDetails($eachWorker->wrk_id);
         if (strpos($details->params, CronTask::getWorkerParamsString()) === 0) {
             $found = true;
             break;
         }
     }
     if (!$found) {
         throw new RuntimeException(CronTask::EXCEPTION_NO_PROCESS, CloudControlBaseTask::RETURN_CODE_ERROR);
     }
 }