/** {@inheritDoc} */
  @Override
  public String execute() throws ExecutionException {
    IBackendService backendService = getBackendService();

    String message = null;
    if (backendService == null) {
      throw new ExecutionException("Cannot find IBackendService!");
    } else {
      boolean status = backendService.getAutoDelete();
      message = (status ? "enabled." : "disabled.");
    }
    return message;
  }