io.cloudevents.kafka

Class PartitionKeyExtensionInterceptor

java.lang.Object

io.cloudevents.kafka.PartitionKeyExtensionInterceptor

All Implemented Interfaces:

org.apache.kafka.clients.producer.ProducerInterceptor<Object,io.cloudevents.CloudEvent>, org.apache.kafka.common.Configurable

public class PartitionKeyExtensionInterceptor
extends Object
implements org.apache.kafka.clients.producer.ProducerInterceptor<Object,io.cloudevents.CloudEvent>

This ProducerInterceptor implements the partitioning extension, as described in the CloudEvents Kafka specification.

When using in your KafkaProducer, it will pick the partitionkey extension from the event and will set it as record key. If the extension is missing, It won't replace the key from the original record.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PARTITION_KEY_EXTENSION The extension key of partition key extension.

Constructor Summary

Constructors

Constructor and Description
PartitionKeyExtensionInterceptor()

Method Summary

Modifier and Type	Method and Description
void	close()
void	configure(Map<String,?> configs)
void	onAcknowledgement(org.apache.kafka.clients.producer.RecordMetadata metadata, Exception exception)
org.apache.kafka.clients.producer.ProducerRecord<Object,io.cloudevents.CloudEvent>	onSend(org.apache.kafka.clients.producer.ProducerRecord<Object,io.cloudevents.CloudEvent> record)

Methods inherited from class java.lang.Object

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

Field Detail

PARTITION_KEY_EXTENSION

public static final String PARTITION_KEY_EXTENSION

The extension key of partition key extension.

See Also:

Constant Field Values

Constructor Detail

PartitionKeyExtensionInterceptor

public PartitionKeyExtensionInterceptor()

Method Detail

onSend

public org.apache.kafka.clients.producer.ProducerRecord<Object,io.cloudevents.CloudEvent> onSend(org.apache.kafka.clients.producer.ProducerRecord<Object,io.cloudevents.CloudEvent> record)

Specified by:

onSend in interface org.apache.kafka.clients.producer.ProducerInterceptor<Object,io.cloudevents.CloudEvent>

onAcknowledgement

public void onAcknowledgement(org.apache.kafka.clients.producer.RecordMetadata metadata,
                              Exception exception)

Specified by:

onAcknowledgement in interface org.apache.kafka.clients.producer.ProducerInterceptor<Object,io.cloudevents.CloudEvent>

close

public void close()

Specified by:

close in interface org.apache.kafka.clients.producer.ProducerInterceptor<Object,io.cloudevents.CloudEvent>

configure

public void configure(Map<String,?> configs)

Specified by:

configure in interface org.apache.kafka.common.Configurable