public static boolean isContainedIn(Absence a, ReadableInterval i) {
if (a.getType() == null || i == null) return false;
Chronology chron = i.getChronology();
switch (a.getType()) {
case Absence:
return i.contains(a.getInterval(chron));
case EarlyCheckOut:
DateTime checkout = a.getCheckout(chron);
return i.contains(checkout);
case Tardy:
DateTime checkin = a.getCheckin(chron);
return i.contains(checkin);
default:
throw new UnsupportedOperationException();
}
}
public boolean isAbsence() {
return Absence.equals(this);
}