public Author readAuthorByKeyPerson(Integer keyPerson) throws ExcepcaoPersistencia {
public IAuthor readAuthorByKeyPerson(Integer keyPerson) throws ExcepcaoPersistencia {
    public Author readAuthorByKeyPerson(Integer keyPerson) throws ExcepcaoPersistencia {        Criteria criteria = new Criteria();        criteria.addEqualTo("keyPerson", keyPerson);        Author author = (Author) queryObject(Author.class, criteria);        return author;    }