private void InternalStore(string tag, Guid aggregateId, long version, IEnumerable <IEvent> events)
{
IEventStream stream = Load(aggregateId);
if (stream.Version != version)
{
throw new InvalidOperationException("Stream has already been modified");
}
streams[aggregateId] = stream.Append(events);
UpdateAggregateIndex(tag, aggregateId);
}
/// <summary>
/// Persists the state of the specified aggregate by adding new events to the event store.
/// </summary>
/// <param name="aggregate">The aggregate to persist.</param>
public void Save(TAggregate aggregate)
{
var events = aggregate.PendingEvents.ToArray();
foreach (var e in events)
{
eventStream.Append(new[]
{
e.ToStoredEvent()
}).Wait();
e.SetAggregate(aggregate);
}
// move pending events to the event history
aggregate.IfTypeIs <EventSourcedAggregate>()
.ThenDo(a => a.ConfirmSave());
// publish the events
bus.PublishAsync(events)
.Do(onNext: e => { },
onError: ex => Console.WriteLine(ex.ToString()))
.Wait();
}
