/// <summary>
/// 异步发送消息
/// </summary>
/// <param name="kafkaMessage"></param>
/// <returns></returns>
public async Task <DeliveryResult> PublishAsync(KafkaMessage kafkaMessage)
{
var topic = string.IsNullOrEmpty(kafkaMessage.Topic) ? DefaultTopic : kafkaMessage.Topic;
if (string.IsNullOrEmpty(topic))
{
throw new ArgumentException("topic can not be empty", nameof(kafkaMessage.Topic));
}
var key = string.IsNullOrEmpty(kafkaMessage.Key) ? DefaultKey : kafkaMessage.Key;
if (string.IsNullOrEmpty(key))
{
throw new ArgumentException("key can not be empty", nameof(kafkaMessage.Key));
}
var producer = RentProducer();
DeliveryResult <string, object> deliveryResult;
if (kafkaMessage.Partition == null)
{
deliveryResult = await producer.ProduceAsync(topic, new Message <string, object>() { Key = key, Value = kafkaMessage.Message });
}
else
{
var topicPartition = new TopicPartition(topic, new Partition(kafkaMessage.Partition.Value));
deliveryResult = await producer.ProduceAsync(topicPartition, new Message <string, object>() { Key = key, Value = kafkaMessage.Message });
}
producer.Flush(new TimeSpan(0, 0, 0, 0, FlushTimeOut));
ReturnProducer(producer);
return(new DeliveryResult(deliveryResult));
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="kafkaMessage"></param>
/// <param name="callback"></param>
public void Publish(KafkaMessage kafkaMessage, Action <DeliveryResult> callback = null)
{
var topic = string.IsNullOrEmpty(kafkaMessage.Topic) ? DefaultTopic : kafkaMessage.Topic;
if (string.IsNullOrEmpty(topic))
{
throw new ArgumentException("topic can not be empty", nameof(kafkaMessage.Topic));
}
var key = string.IsNullOrEmpty(kafkaMessage.Key) ? DefaultKey : kafkaMessage.Key;
if (string.IsNullOrEmpty(key))
{
throw new ArgumentException("key can not be empty", nameof(kafkaMessage.Key));
}
var producer = RentProducer();
if (kafkaMessage.Partition == null)
{
producer.Produce(topic, new Message <string, object>()
{
Key = key, Value = kafkaMessage.Message
}, dr => callback?.Invoke(new DeliveryResult(dr)));
}
else
{
var topicPartition = new TopicPartition(topic, new Partition(kafkaMessage.Partition.Value));
producer.Produce(topicPartition, new Message <string, object>()
{
Key = key, Value = kafkaMessage.Message
}, dr => callback?.Invoke(new DeliveryResult(dr)));
}
producer.Flush(TimeSpan.FromMilliseconds(FlushTimeOut));
ReturnProducer(producer);
}