io.streamzi.cloudevents.kafka.util

Class KafkaHeaderUtil

java.lang.Object

io.streamzi.cloudevents.kafka.util.KafkaHeaderUtil

public final class KafkaHeaderUtil
extends Object

Utility methods for working with CloudEvents and Kafka.

Method Summary

Modifier and Type	Method and Description
static <K,V> CloudEvent<Map<K,V>>	createFromConsumerRecord(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> record) Create a CloudEvent from a message consumed from a Kafka topic.
static org.apache.kafka.common.header.Headers	extractHeaders(CloudEvent<?> ce) Create Kafka Headers from a CloudEvent

Methods inherited from class java.lang.Object

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

Method Detail

extractHeaders

public static org.apache.kafka.common.header.Headers extractHeaders(CloudEvent<?> ce)

Create Kafka Headers from a CloudEvent

Parameters:

ce - Event to extract the headers from

Returns:

Headers that can be used to construct a ProducerRecord

createFromConsumerRecord

public static <K,V> CloudEvent<Map<K,V>> createFromConsumerRecord(org.apache.kafka.clients.consumer.ConsumerRecord<K,V> record)

Create a CloudEvent from a message consumed from a Kafka topic. Populates the CloudEvent attributes from the Kafka Headers and the data from the Kafka value.

Type Parameters:

K - Message Key

V - Message Value

Parameters:

record - message receieved from Kafka

Returns:

CloudEvent representation of the Kafka message