return (isBolonha()) ? this.getCompetenceCourse().getEctsCredits() : super.getWeigth();
if (isBolonha()) { if (getCompetenceCourse() != null) { return Double.valueOf(getCompetenceCourse().getEctsCredits()); } else { return null; } } else { return super.getWeigth(); }
    public Double getWeigth() {        return (isBolonha()) ? this.getCompetenceCourse().getEctsCredits() : super.getWeigth();    }