Example #1
0
        private async Task Dispatch(IMessageContext context, MiddlewareDelegate next)
        {
            try
            {
                var batchContext = new BatchConsumeMessageContext(
                    context.WorkerId,
                    context.GroupId,
                    context.Consumer,
                    this.batch.ToList());

                await next(batchContext).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                this.logHandler.Error(
                    "Error executing a message batch",
                    ex,
                    new
                {
                    context.Topic,
                    context.GroupId,
                    context.WorkerId
                });
            }
            finally
            {
                foreach (var messageContext in this.batch)
                {
                    messageContext.Consumer.StoreOffset();
                }

                this.dispatchTask = null;
                this.batch.Clear();
            }
        }
        private async Task Dispatch(IMessageContext context, MiddlewareDelegate next)
        {
            var localBatch = Interlocked.Exchange(ref this.batch, new(this.batchSize));

            try
            {
                var batchContext = new BatchConsumeMessageContext(context.ConsumerContext, localBatch);

                await next(batchContext).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                this.logHandler.Error(
                    "Error executing a message batch",
                    ex,
                    new
                {
                    context.ConsumerContext.Topic,
                    context.ConsumerContext.GroupId,
                    context.ConsumerContext.WorkerId,
                });
            }
            finally
            {
                foreach (var messageContext in localBatch)
                {
                    messageContext.ConsumerContext.StoreOffset();
                }
            }
        }