static function import($ctrl, $data)
 {
     $runFn = array($ctrl, $data['run-function']);
     $runParams = $data['run-params'];
     $verifyFn = NULL;
     $verifyParams = NULL;
     if (array_key_exists('verify-function', $data)) {
         $verifyFn = array($ctrl, $data['verify-function']);
         if (array_key_exists('verify-params', $data)) {
             $verifyParams['verify-params'] = $data['verify-params'];
         }
     }
     $op = new Operation($runFn, $runParams, $verifyFn, $verifyParams);
     $op->setImportData($data);
     return $op;
 }