@Override
public AbstractDate plus(long amountToAdd, TemporalUnit unit) {
if (unit instanceof ChronoUnit) {
ChronoUnit f = (ChronoUnit) unit;
switch (f) {
case DAYS:
return plusDays(amountToAdd);
case WEEKS:
return plusWeeks(amountToAdd);
case MONTHS:
return plusMonths(amountToAdd);
case YEARS:
return plusYears(amountToAdd);
case DECADES:
return plusYears(Math.multiplyExact(amountToAdd, 10));
case CENTURIES:
return plusYears(Math.multiplyExact(amountToAdd, 100));
case MILLENNIA:
return plusYears(Math.multiplyExact(amountToAdd, 1000));
case ERAS:
return with(ERA, Math.addExact(getLong(ERA), amountToAdd));
default:
break;
}
throw new UnsupportedTemporalTypeException("Unsupported unit: " + unit);
}
return unit.addTo(this, amountToAdd);
}
