public KafkaTopicWriter(
string topic,
IProducerFactory producerFactory,
IHandle <TKey, TMessage, TResponseKey, TResponse> handle,
Func <TResponse, TResponseKey> resolveKey)
{
_topic = topic;
_resolveKey = resolveKey;
_stream = handle.Stream;
_producer = producerFactory.Create <TResponseKey, TResponse>(_stream.Configuration);
}
public bool Run(string topic, ConsumerConfig consumeConfiguration, IEnumerable <ProducerConfig> produceConfigurations)
{
_topic = topic;
_logger.LogInformation($"Starting feed proxy for topic {_topic}");
try
{
_consumer = _consumerFactory.Create(_topic, consumeConfiguration);
_consumer.Connect();
_logger.LogInformation($"Connect consumer {_consumer.Environment}, topic {_topic}");
}
catch (Exception e)
{
_logger.LogError(e, $"Exception while connect consumer {_consumer.Environment}.");
return(false);
}
foreach (var producerConfiguration in produceConfigurations)
{
var producer = _producerFactory.Create(_topic, producerConfiguration);
try
{
producer.Connect();
_producers.Add(producer);
_logger.LogInformation($"Connect producer {producer.Environment}, topic {_topic}");
}
catch (Exception e)
{
_logger.LogError(e, $"Exception while connect producer {producer.Environment}.");
}
}
if (!_producers.Any())
{
_logger.LogWarning($"Doesn't have any connected producers for topic {_topic}, feed proxy not started!");
return(false);
}
_consumer.Subscribe(Handler);
_logger.LogInformation($"Subscribe consumer {_consumer.Environment}, topic {_topic}");
return(true);
}
