org.springframework.cloud.stream.binder.kafka.streams

Class SendToDlqAndContinue

java.lang.Object

org.springframework.cloud.stream.binder.kafka.streams.SendToDlqAndContinue

All Implemented Interfaces:

org.apache.kafka.common.Configurable, org.apache.kafka.streams.errors.DeserializationExceptionHandler

public class SendToDlqAndContinue
extends Object
implements org.apache.kafka.streams.errors.DeserializationExceptionHandler

Custom implementation for DeserializationExceptionHandler that sends the records in error to a DLQ topic, then continue stream processing on new records.

Since:

2.0.0

Author:

Soby Chacko

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.kafka.streams.errors.DeserializationExceptionHandler

org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse

Field Summary

Fields

Modifier and Type	Field and Description
static String	KAFKA_STREAMS_DLQ_DISPATCHERS Key used for DLQ dispatchers.

Constructor Summary

Constructors

Constructor and Description
SendToDlqAndContinue()

Method Summary

Modifier and Type	Method and Description
void	configure(Map<String,?> configs)
org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse	handle(org.apache.kafka.streams.processor.ProcessorContext context, org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> record, Exception exception)
void	sendToDlq(String topic, byte[] key, byte[] value, int partition) For a given topic, send the key/value record to DLQ topic.

Methods inherited from class java.lang.Object

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

Field Detail

KAFKA_STREAMS_DLQ_DISPATCHERS

public static final String KAFKA_STREAMS_DLQ_DISPATCHERS

Key used for DLQ dispatchers.

See Also:

Constant Field Values

Constructor Detail

SendToDlqAndContinue

public SendToDlqAndContinue()

Method Detail

sendToDlq

public void sendToDlq(String topic,
                      byte[] key,
                      byte[] value,
                      int partition)

For a given topic, send the key/value record to DLQ topic.

Parameters:

topic - incoming topic that caused the error

key - to send

value - to send

partition - for the topic where this record should be sent

handle

public org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse handle(org.apache.kafka.streams.processor.ProcessorContext context,
                                                                                                             org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> record,
                                                                                                             Exception exception)

Specified by:

handle in interface org.apache.kafka.streams.errors.DeserializationExceptionHandler

configure

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

Specified by:

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