public void Execute(PersistSnapshotCommand <TSnapshot> command)
{
if (command.ProducedEventCount < _persistSnapshotPeriod)
{
return;
}
var snapshotMetadata = new SnapshotMetadata(command.PreviouslyDispatchedCommandIds);
var snapshotEnvelope = new SnapshotEnvelope <TSnapshot>(command.Snapshot, snapshotMetadata);
_snapshotDataContext.Persist(snapshotEnvelope);
}
private void Persist(TAggregate aggregate)
{
var uncommitedEvents = aggregate.GetUncommitedEvents();
var snapshot = aggregate.GetSnapshot();
var originalVersion = aggregate.Version - uncommitedEvents.Count;
var persistEvents = new PersistEventsCommand <TIdentity>(aggregate.Id, uncommitedEvents, _processingCommandId, originalVersion);
var persistSnapshot = new PersistSnapshotCommand <TSnapshot>(snapshot, _previouslyDispatchedMessages, uncommitedEvents.Count);
var publishEvents = new PublishEventsCommand(uncommitedEvents);
CommandComposition
.StartWith(persistEvents)
.ContinueWith(persistSnapshot)
.ContinueWith(publishEvents)
.Run();
}
public void Execute(Envelope <C> command)
{
var messsageId = Guid.NewGuid();
var newAggregate = new Aggregate(command.Body.Identity);
newAggregate.SetName(command.Body.Name);
var persistEvents = new PersistEventsCommand <AggregateIdentity>(newAggregate.Id, newAggregate.GetUncommitedEvents(), command.MessageId);
var persistSnapshot = new PersistSnapshotCommand <AggregateSnapshot>(newAggregate.GetSnapshot(), Enumerable.Empty <Guid>().ToList(), 1);
var publishEvents = new PublishEventsCommand(newAggregate.GetUncommitedEvents());
_commandComposition
.StartWith(persistEvents)
.ContinueWith(persistSnapshot)
.ContinueWith(publishEvents)
.Run();
}
