public List<IPerson_Function> getActiveFunctions() {
public List<IPersonFunction> getActiveFunctions() {
    public List<IPerson_Function> getActiveFunctions() {        List<IPerson_Function> activeFunctions = new ArrayList<IPerson_Function>();                        Calendar calendar = Calendar.getInstance();        calendar.set(Calendar.HOUR_OF_DAY, 0);        calendar.set(Calendar.MINUTE, 0);                for (IPerson_Function personFunction : this.getPerson_functions()) {            if (personFunction.getEndDate() != null                    && (personFunction.getEndDate().after(calendar.getTime()) || personFunction.getEndDate()                            .equals(calendar.getTime()))) {                activeFunctions.add(personFunction);            }        }        return activeFunctions;    }