public void setFieldValue(_Fields field, Object value) {
    switch (field) {
    case JOB:
      if (value == null) {
        unsetJob();
      } else {
        setJob((Job)value);
      }
      break;

    case COMMAND:
      if (value == null) {
        unsetCommand();
      } else {
        setCommand((Command)value);
      }
      break;

    }
  }