public GroupTopicConsumer(EventHubMessageBus messageBus, RequestResponseSettings requestResponseSettings)
: this(messageBus, new TopicGroup(requestResponseSettings.Topic, requestResponseSettings.GetGroup()), () => new PartitionConsumerForResponses(messageBus, requestResponseSettings))
{
}
public KafkaResponseProcessor(RequestResponseSettings requestResponseSettings, TopicPartition topicPartition, IKafkaCommitController commitController, MessageBusBase messageBus, ICheckpointTrigger checkpointTrigger)
{
_messageBus = messageBus ?? throw new ArgumentNullException(nameof(messageBus));
_requestResponseSettings = requestResponseSettings;
TopicPartition = topicPartition;
_commitController = commitController;
_checkpointTrigger = checkpointTrigger;
_logger = messageBus.LoggerFactory.CreateLogger <KafkaResponseProcessor>();
_logger.LogInformation("Creating for Group: {0}, Topic: {1}, Partition: {2}", requestResponseSettings.GetGroup(), requestResponseSettings.Topic, topicPartition);
}
public async Task OnMessage(Message message)
{
try
{
await _messageBus.OnResponseArrived(message.Value, _requestResponseSettings.Topic).ConfigureAwait(false);
}
catch (Exception e)
{
if (_logger.IsEnabled(LogLevel.Error))
{
_logger.LogError(e, "Error occured while consuming response message: {0}", new MessageContextInfo(_requestResponseSettings.GetGroup(), message));
}
// For response messages we can only continue and process all messages in the lease
// ToDo: Add support for retry ?
if (_requestResponseSettings.OnResponseMessageFault != null)
{
// Call the hook
_logger.LogTrace("Executing the attached hook from {0}", nameof(_requestResponseSettings.OnResponseMessageFault));
try
{
_requestResponseSettings.OnResponseMessageFault(_requestResponseSettings, message, e);
}
catch (Exception e2)
{
_logger.LogWarning(e2, "Error handling hook failed for message: {0}", new MessageContextInfo(_requestResponseSettings.GetGroup(), message));
}
}
}
if (_checkpointTrigger.Increment())
{
await _commitController.Commit(message.TopicPartitionOffset).ConfigureAwait(false);
}
}
public KafkaResponseProcessor(RequestResponseSettings requestResponseSettings, TopicPartition topicPartition, IKafkaCommitController commitController, MessageBusBase messageBus, ICheckpointTrigger checkpointTrigger)
{
Log.InfoFormat(CultureInfo.InvariantCulture, "Creating for Group: {0}, Topic: {1}, Partition: {2}", requestResponseSettings.GetGroup(), requestResponseSettings.Topic, topicPartition);
_requestResponseSettings = requestResponseSettings;
TopicPartition = topicPartition;
_commitController = commitController;
_messageBus = messageBus;
_checkpointTrigger = checkpointTrigger;
}
