Interface AcknowledgingConsumerAwareMessageListener<K,V>
- 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:
ConvertingMessageListener
,FilteringMessageListenerAdapter
,KafkaBackoffAwareMessageListenerAdapter
,RecordMessagingMessageListenerAdapter
- 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 the
Consumer
is provided.- Since:
- 2.0
-
Method Summary
Modifier and TypeMethodDescriptiondefault void
Invoked with data from kafka.void
onMessage
(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
-
Method Details
-
onMessage
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:
onMessage
in interfaceGenericMessageListener<K>
- Parameters:
data
- the data to be processed.
-
onMessage
void onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K, V> data, @Nullable Acknowledgment acknowledgment, org.apache.kafka.clients.consumer.Consumer<?, ?> consumer) Description copied from interface:GenericMessageListener
Invoked with data from kafka and provides access to theConsumer
. The default implementation throwsUnsupportedOperationException
.- Specified by:
onMessage
in interfaceGenericMessageListener<K>
- Parameters:
data
- the data to be processed.acknowledgment
- the acknowledgment.consumer
- the consumer.
-