criteria.addEqualTo("ojbConcreteClass", AreaCurricularCourseGroup.class.getName());
    public List readByBranchAndAreaType(IBranch branch, AreaType areaType) throws ExcepcaoPersistencia {        Criteria criteria = new Criteria();        criteria.addEqualTo("keyBranch", branch.getIdInternal());        criteria.addEqualTo("areaType", areaType);        return queryList(AreaCurricularCourseGroup.class, criteria);    }