public async Task OnNext(Immutable <byte[]> bytes) { var(success, transport) = EventBytesTransport.FromBytesWithNoId(bytes.Value); if (success) { var data = Serializer.Deserialize(TypeContainer.GetType(transport.EventTypeCode), transport.EventBytes); if (data is IEvent @event) { var eventBase = EventBase.FromBytes(transport.BaseBytes); if (eventBase.Version > Snapshot.Version) { if (concurrent) { var input = new AsyncInputEvent <IFullyEvent <PrimaryKey>, bool>(new FullyEvent <PrimaryKey> { StateId = GrainId, Base = eventBase, Event = @event }); var writeTask = ConcurrentChannel.WriteAsync(input); if (!writeTask.IsCompletedSuccessfully) { await writeTask; } if (!writeTask.Result) { var ex = new ChannelUnavailabilityException(GrainId.ToString(), GrainType); Logger.LogError(ex, ex.Message); throw ex; } await input.TaskSource.Task; } else { var tellTask = Tell(new FullyEvent <PrimaryKey> { StateId = GrainId, Base = eventBase, Event = @event }); if (!tellTask.IsCompletedSuccessfully) { await tellTask; } } } } else { if (Logger.IsEnabled(LogLevel.Information)) { Logger.LogInformation("Receive non-event messages, grain Id = {0} ,message type = {1}", GrainId.ToString(), transport.EventTypeCode); } } } }
public override Task OnDeactivateAsync() { var needSaveSnap = Snapshot.Version - SnapshotEventVersion >= 1; if (Logger.IsEnabled(LogLevel.Information)) { Logger.LogInformation("Followgrain start deactivation with id = {0} ,{1}", GrainId.ToString(), needSaveSnap ? "updated snapshot" : "no update snapshot"); } if (concurrent) { ConcurrentChannel.Complete(); } if (needSaveSnap) { return(SaveSnapshotAsync(true).AsTask()); } else { return(Task.CompletedTask); } }