return new CalendarEntryId(UUID.randomUUID().toString().toUpperCase());
}
@Override
public void save(CalendarEntry aCalendarEntry) {
EventStreamId eventId =
new EventStreamId(
aCalendarEntry.tenant().id(),
aCalendarEntry.calendarEntryId().id(),
aCalendarEntry.mutatedVersion());
this.eventStore().appendWith(eventId, aCalendarEntry.mutatingEvents());