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);
}
}
