public async Task <Maybe <TAggregate> > GetAsync(TId id)
{
if (id == null)
{
throw new ArgumentNullException(nameof(id));
}
var stream = GetStream(id);
var snapshot = await _snapshotStore.ReadSnapshotAsync <TAggregate, TId>(stream.Id);
if (!snapshot.Any())
{
return(await GetByEventsAsync(id, stream));
}
return(await GetBySnapsotAsync(id, stream, snapshot.Single()));
}
public Task <Maybe <IAggregateSnapshot> > ReadSnapshotAsync <T, TId>(StreamId stream)
where T : IAggregate <TId>
=> _store.ReadSnapshotAsync <T, TId>(stream);