D-Net

    @Autowired

    private HelpDAO helpDAO;

    @Override

    public Help saveHelp(Help help) {

        return helpDAO.saveHelp(help);

    }

    @Override

    public Help getById(String id) {

        try {

            return helpDAO.getById(id);

        } catch (EmptyResultDataAccessException e) {

            return null;

        }

    }

    @Override

    public List<Help> getAll() {

        return helpDAO.getAll();

    }

    @Override

    public void delete(String helpId) {

        helpDAO.delete(helpId);

    }