Interface AcknowledgingConsumerAwareMessageListener<K,V>
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- Type Parameters:
K- the key type.V- the value type.
- All Superinterfaces:
GenericMessageListener<org.apache.kafka.clients.consumer.ConsumerRecord<K,V>>,MessageListener<K,V>
- All Known Implementing Classes:
FilteringMessageListenerAdapter,RecordMessagingMessageListenerAdapter,RetryingMessageListenerAdapter
- 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 AcknowledgingConsumerAwareMessageListener<K,V> extends MessageListener<K,V>
Listener for handling incoming Kafka messages, propagating an acknowledgment handle that recipients can invoke when the message has been processed. Access to theConsumeris provided.- Since:
- 2.0
- Author:
- Gary Russell
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Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description default voidonMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data)Invoked with data from kafka.voidonMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data, Acknowledgment acknowledgment, org.apache.kafka.clients.consumer.Consumer<?,?> consumer)Invoked with data from kafka and provides access to theConsumer.-
Methods inherited from interface org.springframework.kafka.listener.GenericMessageListener
onMessage, onMessage
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Method Detail
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onMessage
default void onMessage(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 a consumer aware acknowledging listener.- Specified by:
onMessagein interfaceGenericMessageListener<K>- Parameters:
data- the data to be processed.
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onMessage
void onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data, Acknowledgment acknowledgment, org.apache.kafka.clients.consumer.Consumer<?,?> consumer)
Description copied from interface:GenericMessageListenerInvoked with data from kafka and provides access to theConsumer. The default implementation throwsUnsupportedOperationException.- Specified by:
onMessagein interfaceGenericMessageListener<K>- Parameters:
data- the data to be processed.acknowledgment- the acknowledgment.consumer- the consumer.
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