Package org.apache.camel.processor.resume.kafka

Class MultiNodeKafkaResumeStrategy<K extends org.apache.camel.resume.Resumable>

java.lang.Object

org.apache.camel.processor.resume.kafka.SingleNodeKafkaResumeStrategy<K>

org.apache.camel.processor.resume.kafka.MultiNodeKafkaResumeStrategy<K>

Type Parameters:

K - the type of key

All Implemented Interfaces:

AutoCloseable, KafkaResumeStrategy<K>, org.apache.camel.resume.ResumeStrategy, org.apache.camel.resume.UpdatableConsumerResumeStrategy<K>, org.apache.camel.Service

public class MultiNodeKafkaResumeStrategy<K extends org.apache.camel.resume.Resumable>
extends SingleNodeKafkaResumeStrategy<K>

A resume strategy that publishes offsets to a Kafka topic. This resume strategy is suitable for multi node integrations. This is suitable, for instance, when using clusters with the master component.

Field Summary

Fields inherited from interface org.apache.camel.resume.ResumeStrategy

DEFAULT_NAME

Constructor Summary

Constructors

Constructor	Description
MultiNodeKafkaResumeStrategy(KafkaResumeStrategyConfiguration resumeStrategyConfiguration)	Create a new instance of this class
MultiNodeKafkaResumeStrategy(KafkaResumeStrategyConfiguration resumeStrategyConfiguration, ExecutorService executorService)	Builds an instance of this class

Method Summary

Modifier and Type	Method	Description
void	loadCache()	Loads the existing data into the cache
protected void	poll()
protected void	poll(org.apache.kafka.clients.consumer.Consumer<byte[],byte[]> consumer)
void	stop()

Methods inherited from class org.apache.camel.processor.resume.kafka.SingleNodeKafkaResumeStrategy

build, checkAndSubscribe, checkAndSubscribe, close, consume, consume, consume, doAdd, getAdapter, getConsumer, getConsumerRebalanceListener, getPollDuration, getProducer, getProducerErrors, getResumeStrategyConfiguration, init, produce, resetProducerErrors, setAdapter, setPollDuration, start, subscribe, unsubscribe, updateLastOffset

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.resume.ResumeStrategy

getAdapter

Constructor Detail

MultiNodeKafkaResumeStrategy

public MultiNodeKafkaResumeStrategy(KafkaResumeStrategyConfiguration resumeStrategyConfiguration)

Create a new instance of this class

Parameters:

resumeStrategyConfiguration - the configuration to use for this strategy instance

MultiNodeKafkaResumeStrategy

public MultiNodeKafkaResumeStrategy(KafkaResumeStrategyConfiguration resumeStrategyConfiguration,
                                    ExecutorService executorService)

Builds an instance of this class

Parameters:

resumeStrategyConfiguration - the configuration to use for this strategy instance

executorService - an executor service that will run a separate thread for periodically refreshing the offsets

Method Detail

poll

protected void poll()

Overrides:

poll in class SingleNodeKafkaResumeStrategy<K extends org.apache.camel.resume.Resumable>

poll

protected void poll(org.apache.kafka.clients.consumer.Consumer<byte[],byte[]> consumer)

loadCache

public void loadCache()
               throws Exception

Description copied from class: SingleNodeKafkaResumeStrategy

Loads the existing data into the cache

Specified by:

loadCache in interface org.apache.camel.resume.ResumeStrategy

Overrides:

loadCache in class SingleNodeKafkaResumeStrategy<K extends org.apache.camel.resume.Resumable>

Throws:

Exception

stop

public void stop()

Specified by:

stop in interface org.apache.camel.Service

Overrides:

stop in class SingleNodeKafkaResumeStrategy<K extends org.apache.camel.resume.Resumable>