/// <inheritdoc/>
public void Commit(TransactionCorrelationId correlationId, UncommittedEventStream uncommittedEventStream)
{
var envelopes = _eventEnvelopes.CreateFrom(uncommittedEventStream.EventSource, uncommittedEventStream.EventsAndVersion);
var envelopesAsArray = envelopes.ToArray();
var eventsAsArray = uncommittedEventStream.ToArray();
var eventsAndEnvelopes = new List <EventAndEnvelope>();
for (var eventIndex = 0; eventIndex < eventsAsArray.Length; eventIndex++)
{
var envelope = envelopesAsArray[eventIndex];
var @event = eventsAsArray[eventIndex];
eventsAndEnvelopes.Add(new EventAndEnvelope(
envelope
.WithTransactionCorrelationId(correlationId)
.WithSequenceNumber(_eventSequenceNumbers.Next())
.WithSequenceNumberForEventType(_eventSequenceNumbers.NextForType(envelope.Event)),
@event
));
}
_eventStore.Commit(eventsAndEnvelopes);
_eventSourceVersions.SetFor(envelopesAsArray[0].EventSource, envelopesAsArray[0].EventSourceId, envelopesAsArray[envelopesAsArray.Length - 1].Version);
var committedEventStream = new CommittedEventStream(uncommittedEventStream.EventSourceId, eventsAndEnvelopes);
_committedEventStreamSender.Send(committedEventStream);
}
void ValidateEventStream(CommittedEventStream eventStream)
{
if (!IsForThisEventSource(eventStream.EventSourceId))
{
throw new InvalidOperationException("Cannot apply an EventStream belonging to a different event source." +
string.Format(@"Expected events for Id {0} but got events for Id {1}", EventSourceId, eventStream.EventSourceId));
}
}
/// <inheritdoc/>
public virtual void ReApply(CommittedEventStream eventStream)
{
ValidateEventStream(eventStream);
foreach (var eventAndEnvelope in eventStream)
{
InvokeOnMethod(eventAndEnvelope.Event);
Version = eventAndEnvelope.Envelope.Version;
}
Version = Version.NextCommit();
}
void CommittedEventStreamReceived(CommittedEventStream committedEventStream)
{
committedEventStream.ForEach(e =>
{
var results = _eventProcessors.Process(e.Envelope, e.Event);
Parallel.ForEach(results, result =>
{
if (result.Status == EventProcessingStatus.Success)
{
_eventProcessorStates.ReportSuccessFor(result.EventProcessor, e.Event, e.Envelope);
if (result.Messages.Count() > 0)
{
_eventProcessorLog.Info(result.EventProcessor, e.Event, e.Envelope, result.Messages);
}
}
else
{
_eventProcessorStates.ReportFailureFor(result.EventProcessor, e.Event, e.Envelope);
_eventProcessorLog.Failed(result.EventProcessor, e.Event, e.Envelope, result.Messages);
}
});
});
}