package br.ufpr.c3sl.dao; import java.util.List; import br.ufpr.c3sl.exception.UserException; import br.ufpr.c3sl.model.Mistake; import br.ufpr.c3sl.model.Retroaction; public interface RetroactionDAO { Retroaction insert(Retroaction retroaction) throws UserException; List<Retroaction> getAll(Mistake mistake); boolean delete(Retroaction retroaction); }