KafkaNet.Producer.Dispose C# (CSharp) Method

        public void Dispose()
        {
            //Clients really should call Stop() first, but just in case they didn't...
            this.Stop(false);

            //dispose
            using (_stopToken)
            using (_metadataQueries)
            {
            }
        }

        public async Task ConsumerShouldConsumeInSameOrderAsAsyncProduced_dataLoad(int numberOfMessage, int timeoutInMs)
        {
            int partition = 0;
            Stopwatch stopwatch = new Stopwatch();
            stopwatch.Start();

            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("create BrokerRouter ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            var router = new BrokerRouter(new KafkaOptions(IntegrationConfig.IntegrationUri) { Log = IntegrationConfig.NoDebugLog });
            stopwatch.Restart();
            var producer = new Producer(router) { BatchDelayTime = TimeSpan.FromMilliseconds(10), BatchSize = numberOfMessage / 10 };
            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("create producer ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            stopwatch.Restart();
            List<OffsetResponse> offsets = await producer.GetTopicOffsetAsync(IntegrationConfig.IntegrationTopic);
            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("request Offset,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            stopwatch.Restart();
            List<Task> sendList = new List<Task>(numberOfMessage);
            for (int i = 0; i < numberOfMessage; i++)
            {
                var sendTask = producer.SendMessageAsync(IntegrationConfig.IntegrationTopic, new[] { new Message(i.ToString()) }, 1, null, MessageCodec.CodecNone, partition);
                sendList.Add(sendTask);
            }
            TimeSpan maxTimeToRun = TimeSpan.FromMilliseconds(timeoutInMs);
            var doneSend = Task.WhenAll(sendList.ToArray());
            await Task.WhenAny(doneSend, Task.Delay(maxTimeToRun));
            Assert.IsTrue(doneSend.IsCompleted, "not done to send in time");

            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("done send ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            stopwatch.Restart();

            ConsumerOptions consumerOptions = new ConsumerOptions(IntegrationConfig.IntegrationTopic, router);
            consumerOptions.PartitionWhitelist = new List<int> { partition };
            consumerOptions.MaxWaitTimeForMinimumBytes = TimeSpan.Zero;
            Consumer consumer = new Consumer(consumerOptions, offsets.Select(x => new OffsetPosition(x.PartitionId, x.Offsets.Max())).ToArray());

            int expected = 0;
            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("start Consume ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));

            IEnumerable<Message> messages = null;
            var doneConsume = Task.Run((() =>
             {
                 stopwatch.Restart();
                 messages = consumer.Consume().Take(numberOfMessage).ToArray();
                 IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("done Consume ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
                 stopwatch.Restart();
             }));

            await Task.WhenAny(doneConsume, Task.Delay(maxTimeToRun));

            Assert.IsTrue(doneConsume.IsCompleted, "not done to Consume in time");
            Assert.IsTrue(messages.Count() == numberOfMessage, "not Consume all ,messages");

            foreach (Message message in messages)
            {
                Assert.That(message.Value.ToUtf8String(), Is.EqualTo(expected.ToString()),
                    "Expected the message list in the correct order.");
                expected++;
            }
            stopwatch.Restart();

            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("start producer Dispose ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            producer.Dispose();

            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("start consumer Dispose ,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            consumer.Dispose();

            stopwatch.Restart();

            IntegrationConfig.NoDebugLog.InfoFormat(IntegrationConfig.Highlight("start router Dispose,time Milliseconds:{0}", stopwatch.ElapsedMilliseconds));
            router.Dispose();
        }