@Override
public /*@Rate*/ double parRate(final int tenor, final Date startDate, final Frequency freq, final boolean extrapolate) {
final Date[] dates = new Date[tenor + 1];
dates[0] = startDate;
for (int i = 1; i <= tenor; i++) {
dates[i] = startDate.add(new Period(i, TimeUnit.Years));
}
return parRate(dates, freq, extrapolate);
}