void Update(ICommand<UserId> c, Action<UserAggregate> action)
{
var stream = _store.LoadEventStream(c.Id);
var state = new UserState(stream.Events);
var agg = new UserAggregate(state);
using (Context.CaptureForThread()) {
agg.ThrowOnInvalidStateTransition(c);
action(agg);
_store.AppendEventsToStream(c.Id, stream.StreamVersion, agg.Changes);
}
}
public UserAggregate(UserState state)
{
_state = state;
}