public async Task ProcessEventsAsync(PartitionContext context, IEnumerable <EventData> messages)
{
foreach (var @event in messages)
{
var args = new EventReceivedArgs(@event, context.PartitionId);
Callback.Receive(args);
}
await context.CheckpointAsync();
}
private void Receive(object sender, EventReceivedArgs args)
{
Channel ch = OpenChannel(args.Event);
bool isFirst = true;
void Reply(ErrorInformation error, object value, bool more)
{
if (error != null)
{
SendError(ch, error);
}
else
{
if (isFirst && !more)
{
ch.Send("OK", new object[] { new[] { value } }); // Wrap into an array for backwards compatibility
}
else if (value != null)
{
ch.Send("STREAM", value);
}
if (!more)
{
if (!isFirst)
{
ch.Send("STREAM_DONE");
}
CloseChannel(ch);
}
}
isFirst = false;
}
ch.Error += (o, errorArgs) => RaiseError(errorArgs.Info);
try
{
if (CoreServices.HasEvent(args.Event.Name))
{
CoreServices.Invoke(this, args.Event.Name, ArgumentUnpacker.Unpack(args.Event.Args), Reply);
}
else
{
Service.Invoke(args.Event.Name, ArgumentUnpacker.Unpack(args.Event.Args), Reply);
}
}
catch (Exception e)
{
SendError(ch, new ErrorInformation(e.GetType().Name, e.Message, e.StackTrace));
}
}
protected virtual void OnEventReceived(EventReceivedArgs args) => EventReceived?.Invoke(this, args);
