Difficulties with Logic A

Question

Well the scenario is the following I am trying to develop an electronic point through my application but I locked in the logic of authentication of the dates and hours of work following in the logic I have at the moment it authenticates the date correctly but when will authenticate the input instead of authenticating the value on the same line or using the same id it authenticates on another line he create a new record hopefully someone can help me with this issue follows the logic I’m developing.

List<Folha> findDateUser = folhaService.findByDateAndUser(data, usuario.getId());

    for (Folha listaCompleta : findDateUser) {

        if (listaCompleta.getData() == null) {

            listaCompleta.getIdFolha();
            listaCompleta.setData(data);
            listaCompleta.setUsuario(usuario);
            folhaDAO.persistir(listaCompleta);

        } else if (listaCompleta.getData() != null) {

            listaCompleta.getIdFolha();
            listaCompleta.setData(data);
            listaCompleta.setEntrada(entrada);
            listaCompleta.setUsuario(usuario);

            folhaDAO.update(listaCompleta);


        }
    }