Package org.springframework.kafka.listener

Interface BatchAcknowledgingMessageListener<K,V>

Type Parameters:
K - the key type.
V - the value type.
All Superinterfaces:
BatchMessageListener<K,V>, GenericMessageListener<List<org.apache.kafka.clients.consumer.ConsumerRecord<K,V>>>
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface BatchAcknowledgingMessageListener<K,V> extends BatchMessageListener<K,V>
Listener for handling a batch of incoming Kafka messages, propagating an acknowledgment handle that recipients can invoke when the message has been processed. The list is created from the consumer records object returned by a poll.
Since:
1.1

  • Method Details

    • onMessage

      default void onMessage(List<org.apache.kafka.clients.consumer.ConsumerRecord<K,V>> data)
      Invoked with data from kafka. Containers should never call this since it they will detect that we are an acknowledging listener.
      Specified by:
      onMessage in interface GenericMessageListener<K>
      Parameters:
      data - the data to be processed.

    • onMessage

      void onMessage(List<org.apache.kafka.clients.consumer.ConsumerRecord<K,V>> data, Acknowledgment acknowledgment)
      Description copied from interface: GenericMessageListener
      Invoked with data from kafka. The default implementation throws UnsupportedOperationException.
      Specified by:
      onMessage in interface GenericMessageListener<K>
      Parameters:
      data - the data to be processed.
      acknowledgment - the acknowledgment.