private DomainEventEnvelope GetDomainEventWrapperFromEvent(TEventSet @event)
{
var domainEvent = _serializer.Deserialize <object>(@event.Payload);
return(new DomainEventEnvelope(@event.EventId, @event.AggregateId, @event.Sequence, @event.AggregateVersion,
domainEvent));
}
public Tuple <TAggregateRoot, int> GetLatestSnapshot(Guid aggregateId)
{
var lastEventSequence = 0;
var snapshotSet = Context.Set <TAggregateMemento>();
var snapshot =
snapshotSet.AsNoTracking()
.OrderByDescending(s => s.LastEventSequence)
.FirstOrDefault(x => x.AggregateRootId == aggregateId);
if (snapshot == null)
{
return(null);
}
lastEventSequence = snapshot.LastEventSequence;
var stringSerializer = new JsonObjectSerializer();
var aggregateRoot = stringSerializer.Deserialize <TAggregateRoot>(snapshot.Payload);
return(new Tuple <TAggregateRoot, int>(aggregateRoot, lastEventSequence));
}
