Package io.smallrye.reactive.messaging.kafka.fault

Class KafkaDelayedRetryTopic

java.lang.Object

io.smallrye.reactive.messaging.kafka.commit.ContextHolder

io.smallrye.reactive.messaging.kafka.fault.KafkaDelayedRetryTopic

All Implemented Interfaces:

KafkaFailureHandler

public class KafkaDelayedRetryTopic
extends ContextHolder
implements KafkaFailureHandler

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	KafkaDelayedRetryTopic.Factory

Nested classes/interfaces inherited from interface io.smallrye.reactive.messaging.kafka.fault.KafkaFailureHandler

KafkaFailureHandler.Strategy

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DELAYED_RETRY_CAUSE
static final String	DELAYED_RETRY_CAUSE_CLASS_NAME
static final String	DELAYED_RETRY_COUNT
static final String	DELAYED_RETRY_EXCEPTION_CLASS_NAME
static final String	DELAYED_RETRY_FIRST_PROCESSING_TIMESTAMP
static final String	DELAYED_RETRY_OFFSET
static final String	DELAYED_RETRY_ORIGINAL_TIMESTAMP
static final String	DELAYED_RETRY_PARTITION
static final String	DELAYED_RETRY_REASON
static final String	DELAYED_RETRY_TOPIC
static final String	DELAYED_RETRY_TOPIC_STRATEGY

Fields inherited from class io.smallrye.reactive.messaging.kafka.commit.ContextHolder

context

Constructor Summary

Constructors

Constructor	Description
KafkaDelayedRetryTopic(String channel, io.vertx.mutiny.core.Vertx vertx, KafkaConnectorIncomingConfiguration configuration, List<String> retryTopics, int maxRetries, long retryTimeout, String deadQueueTopic, io.smallrye.mutiny.operators.multi.processors.UnicastProcessor<org.eclipse.microprofile.reactive.messaging.Message<?>> dlqSource, KafkaSink dlqSink, ReactiveKafkaConsumer consumer)

Method Summary

Modifier and Type	Method	Description
static String	getNextTopic(List<String> topics, String deadQueueTopic, int maxRetries, int retryCount)
static int	getRetryHeader(org.apache.kafka.common.header.Headers headers)
static String	getRetryTopic(String topic, int delayMillis)
<K, V> io.smallrye.mutiny.Uni<Void>	handle(IncomingKafkaRecord<K,V> record, Throwable reason, org.eclipse.microprofile.reactive.messaging.Metadata metadata)	Handle message negative-acknowledgment
io.smallrye.mutiny.Multi<? extends IncomingKafkaRecord<?,?>>	retryStream()
void	terminate()	Called on channel shutdown

Methods inherited from class io.smallrye.reactive.messaging.kafka.commit.ContextHolder

capture, capture, getContext, getTimeoutInMillis, runOnContext, runOnContextAndAwait

Methods inherited from class java.lang.Object

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

Field Details

DELAYED_RETRY_TOPIC_STRATEGY

public static final String DELAYED_RETRY_TOPIC_STRATEGY

See Also:

• Constant Field Values

DELAYED_RETRY_COUNT

public static final String DELAYED_RETRY_COUNT

See Also:

• Constant Field Values

DELAYED_RETRY_ORIGINAL_TIMESTAMP

public static final String DELAYED_RETRY_ORIGINAL_TIMESTAMP

See Also:

• Constant Field Values

DELAYED_RETRY_FIRST_PROCESSING_TIMESTAMP

public static final String DELAYED_RETRY_FIRST_PROCESSING_TIMESTAMP

See Also:

• Constant Field Values

DELAYED_RETRY_EXCEPTION_CLASS_NAME

public static final String DELAYED_RETRY_EXCEPTION_CLASS_NAME

See Also:

• Constant Field Values

DELAYED_RETRY_CAUSE_CLASS_NAME

public static final String DELAYED_RETRY_CAUSE_CLASS_NAME

See Also:

• Constant Field Values

DELAYED_RETRY_REASON

public static final String DELAYED_RETRY_REASON

See Also:

• Constant Field Values

DELAYED_RETRY_CAUSE

public static final String DELAYED_RETRY_CAUSE

See Also:

• Constant Field Values

DELAYED_RETRY_TOPIC

public static final String DELAYED_RETRY_TOPIC

See Also:

• Constant Field Values

DELAYED_RETRY_OFFSET

public static final String DELAYED_RETRY_OFFSET

See Also:

• Constant Field Values

DELAYED_RETRY_PARTITION

public static final String DELAYED_RETRY_PARTITION

See Also:

• Constant Field Values

Constructor Details

KafkaDelayedRetryTopic

public KafkaDelayedRetryTopic(String channel,
 io.vertx.mutiny.core.Vertx vertx,
 KafkaConnectorIncomingConfiguration configuration,
 List<String> retryTopics,
 int maxRetries,
 long retryTimeout,
 String deadQueueTopic,
 io.smallrye.mutiny.operators.multi.processors.UnicastProcessor<org.eclipse.microprofile.reactive.messaging.Message<?>> dlqSource,
 KafkaSink dlqSink,
 ReactiveKafkaConsumer consumer)

Method Details

getRetryTopic

public static String getRetryTopic(String topic,
 int delayMillis)

retryStream

public io.smallrye.mutiny.Multi<? extends IncomingKafkaRecord<?,?>> retryStream()

handle

public <K,
V> io.smallrye.mutiny.Uni<Void> handle(IncomingKafkaRecord<K,V> record,
 Throwable reason,
 org.eclipse.microprofile.reactive.messaging.Metadata metadata)

Description copied from interface: KafkaFailureHandler

Handle message negative-acknowledgment

Specified by:

handle in interface KafkaFailureHandler

Type Parameters:

K - type of record key

V - type of record value

Parameters:

record - incoming Kafka record

reason - nack reason

metadata - associated metadata with negative-acknowledgment

Returns:

a completion stage completed when the message is negative-acknowledgement has completed.

terminate

public void terminate()

Description copied from interface: KafkaFailureHandler

Called on channel shutdown

Specified by:

terminate in interface KafkaFailureHandler

getNextTopic

public static String getNextTopic(List<String> topics,
 String deadQueueTopic,
 int maxRetries,
 int retryCount)

getRetryHeader

public static int getRetryHeader(org.apache.kafka.common.header.Headers headers)