// lifetime change management
// atomic consistency boundary of an Aggregate & its contents
void ChangeAgg(TrustedSystemId withAggIdOf, Action <TrustedSystemAggregate> usingThisMethod)
{
var eventStreamId = withAggIdOf.Id.ToString();
var eventStream = _eventStore.LoadEventStream(eventStreamId);
var aggStateBeforeChanges = TrustedSystemState.BuildStateFromEventHistory(eventStream.Events);
var aggToChange = new TrustedSystemAggregate(aggStateBeforeChanges);
// HACK
if (eventStream.Events.Count == 0)
{
aggToChange.Create(withAggIdOf);
}
usingThisMethod(aggToChange);
_eventStore.AppendEventsToStream(eventStreamId, eventStream.StreamVersion, aggToChange.EventsCausingChanges);
}
// lifetime change management
// atomic consistency boundary of an Aggregate & its contents
void UpdateDomain(Action <TrustedSystemAggregate> usingThisMethod)
{
if (_currentSystem == null)
{
throw new InvalidOperationException("System ID should be provided by now");
}
var eventStreamId = _currentSystem.ToStreamId();
var eventStream = _eventStore.LoadEventStream(eventStreamId);
var aggStateBeforeChanges = TrustedSystemState.BuildStateFromEventHistory(eventStream.Events);
var aggToChange = new TrustedSystemAggregate(aggStateBeforeChanges);
usingThisMethod(aggToChange);
_eventStore.AppendEventsToStream(eventStreamId, eventStream.StreamVersion, aggToChange.EventsCausingChanges);
}