public void Update(JourneyCreatedEvent @event)
{
_journeys.Add(@event);
var journeysOnDateOfOccurence = _journeysByDate.GetOrAdd(@event.DateOfOccurrence, () => new HashSet <JourneyCreatedEvent>());
journeysOnDateOfOccurence.Add(@event);
var dateOfOccurrence = @event.DateOfOccurrence;
foreach (var factEntry in _facts.Retrieve().Where(f => f.Key.Day.DayOfMonth == dateOfOccurrence.Day && f.Key.Month.MonthOfYear == dateOfOccurrence.Month && f.Key.Month.Year == dateOfOccurrence.Year).ToList())
{
_facts.Set(factEntry.Key, UpdateValue(factEntry.Value, @event));
}
}
