protected function getFileFromConvertion($write_to_log = true)
 {
     return kConversionHelper::getExclusiveFile($this->server_res_path, $this->client_id, $write_to_log);
 }
 protected function getConversionCommand($write_to_log = true)
 {
     return kConversionHelper::getExclusiveFile($this->cmd_path, $this->server_id, $write_to_log);
 }