Class FilteringMessageListenerAdapter<K,V>

java.lang.Object

org.springframework.kafka.listener.adapter.AbstractDelegatingMessageListenerAdapter<MessageListener<K,V>>

org.springframework.kafka.listener.adapter.AbstractFilteringMessageListener<K, V, MessageListener<K,V>>

org.springframework.kafka.listener.adapter.FilteringMessageListenerAdapter<K,V>

Type Parameters:

K - the key type.

V - the value type.

All Implemented Interfaces:

AcknowledgingConsumerAwareMessageListener<K,V>, ConsumerSeekAware, DelegatingMessageListener<MessageListener<K,V>>, GenericMessageListener<org.apache.kafka.clients.consumer.ConsumerRecord<K,V>>, MessageListener<K,V>

public class FilteringMessageListenerAdapter<K,V>
extends AbstractFilteringMessageListener<K, V, MessageListener<K,V>>
implements AcknowledgingConsumerAwareMessageListener<K,V>

A MessageListener adapter that implements filter logic via a RecordFilterStrategy.

Nested Class Summary

Nested classes/interfaces inherited from interface ConsumerSeekAware

ConsumerSeekAware.ConsumerSeekCallback

Field Summary

Fields inherited from class AbstractDelegatingMessageListenerAdapter

delegate, delegateType, logger

Constructor Summary

Constructors

Constructor	Description
FilteringMessageListenerAdapter(MessageListener<K,V> delegate, RecordFilterStrategy<K,V> recordFilterStrategy)	Create an instance with the supplied strategy and delegate listener.
FilteringMessageListenerAdapter(MessageListener<K,V> delegate, RecordFilterStrategy<K,V> recordFilterStrategy, boolean ackDiscarded)	Create an instance with the supplied strategy and delegate listener.

Method Summary

Modifier and Type	Method	Description
void	onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data)	Invoked with data from kafka.
void	onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data, @Nullable org.apache.kafka.clients.consumer.Consumer<?,?> consumer)	Invoked with data from kafka and provides access to the Consumer.
void	onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data, @Nullable Acknowledgment acknowledgment)	Invoked with data from kafka.
void	onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> consumerRecord, @Nullable Acknowledgment acknowledgment, @Nullable org.apache.kafka.clients.consumer.Consumer<?,?> consumer)	Invoked with data from kafka and provides access to the Consumer.

Methods inherited from class AbstractFilteringMessageListener

filter, getRecordFilterStrategy

Methods inherited from class AbstractDelegatingMessageListenerAdapter

getDelegate, onIdleContainer, onPartitionsAssigned, onPartitionsRevoked, registerSeekCallback

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ConsumerSeekAware

onFirstPoll, unregisterSeekCallback

Constructor Details

FilteringMessageListenerAdapter

public FilteringMessageListenerAdapter(MessageListener<K,V> delegate,
 RecordFilterStrategy<K,V> recordFilterStrategy)

Create an instance with the supplied strategy and delegate listener.

Parameters:

delegate - the delegate.

recordFilterStrategy - the filter.

FilteringMessageListenerAdapter

public FilteringMessageListenerAdapter(MessageListener<K,V> delegate,
 RecordFilterStrategy<K,V> recordFilterStrategy,
 boolean ackDiscarded)

Create an instance with the supplied strategy and delegate listener.

Parameters:

delegate - the delegate.

recordFilterStrategy - the filter.

ackDiscarded - true to ack (commit offset for) discarded messages when the listener is configured for manual acks.

Method Details

onMessage

public void onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> consumerRecord,
 @Nullable Acknowledgment acknowledgment,
 @Nullable org.apache.kafka.clients.consumer.Consumer<?,?> consumer)

Description copied from interface: GenericMessageListener

Invoked with data from kafka and provides access to the Consumer. The default implementation throws UnsupportedOperationException.

Specified by:

onMessage in interface AcknowledgingConsumerAwareMessageListener<K,V>

Specified by:

onMessage in interface GenericMessageListener<K>

Parameters:

consumerRecord - the data to be processed.

acknowledgment - the acknowledgment.

consumer - the consumer.

onMessage

public void onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data)

Description copied from interface: AcknowledgingConsumerAwareMessageListener

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 interface AcknowledgingConsumerAwareMessageListener<K,V>

Specified by:

onMessage in interface GenericMessageListener<K>

Parameters:

data - the data to be processed.

onMessage

public void onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data,
 @Nullable 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.

onMessage

public void onMessage(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> data,
 @Nullable org.apache.kafka.clients.consumer.Consumer<?,?> consumer)

Description copied from interface: GenericMessageListener

Invoked with data from kafka and provides access to the Consumer. The default implementation throws UnsupportedOperationException.

Specified by:

onMessage in interface GenericMessageListener<K>

Parameters:

data - the data to be processed.

consumer - the consumer.