Package io.smallrye.reactive.messaging.kafka

Interface KafkaClientService

  • All Known Implementing Classes:
    KafkaClientServiceImpl
    @Experimental("experimental api")
public interface KafkaClientService

    • Method Detail

      • getConsumer

        <K,​V> KafkaConsumer<K,​V> getConsumer​(String channel)
        Gets the managed Kafka Consumer for the given channel. This method returns the reactive consumer.

        Be aware that most actions requires to be run on the Kafka polling thread. You can schedule actions using:

        getConsumer(channel).runOnPollingThread(c -> { ... })

        You can retrieve the low-level client using the KafkaConsumer.unwrap() method.

        Type Parameters:
        K - the type of the key
        V - the type of the value
        Parameters:
        channel - the channel, must not be null
        Returns:
        the consumer, null if not found

      • getProducer

        <K,​V> KafkaProducer<K,​V> getProducer​(String channel)
        Gets the managed Kafka Producer for the given channel. This method returns the reactive producer.

        Be aware that most actions require to be run on the Kafka sending thread. You can schedule actions using:

        getProducer(channel).runOnSendingThread(c -> { ... })

        You can retrieve the low-level client using the KafkaProducer.unwrap() method.

        Type Parameters:
        K - the type of the key
        V - the type of the value
        Parameters:
        channel - the channel, must not be null
        Returns:
        the producer, null if not found

      • getConsumerChannels

        Set<String> getConsumerChannels()
        Get the names of all the Kafka incoming channels managed by this connector.
        Returns:
        the names of the Kafka consumer incoming channels.

      • getProducerChannels

        Set<String> getProducerChannels()
        Get the names of all the Kafka outgoing channels managed by this connector.
        Returns:
        the names of the Kafka producer outgoing channels.