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

Class MultiNodeKafkaResumeStrategy<K,V>

java.lang.Object

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

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

Type Parameters:

K - the type of key

V - the type of the value

All Implemented Interfaces:

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

public class MultiNodeKafkaResumeStrategy<K,V>
extends SingleNodeKafkaResumeStrategy<K,V>

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.

Constructor Summary

Constructors

Constructor	Description
MultiNodeKafkaResumeStrategy(String bootstrapServers, String topic, org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache, org.apache.camel.resume.ResumeAdapter resumeAdapter)	Create a new instance of this class
MultiNodeKafkaResumeStrategy(String bootstrapServers, String topic, org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache, org.apache.camel.resume.ResumeAdapter resumeAdapter, ExecutorService executorService)	Builds an instance of this class
MultiNodeKafkaResumeStrategy(String topic, org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache, org.apache.camel.resume.ResumeAdapter resumeAdapter, Properties producerConfig, Properties consumerConfig)	Builds an instance of this class
MultiNodeKafkaResumeStrategy(String topic, org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache, org.apache.camel.resume.ResumeAdapter resumeAdapter, Properties producerConfig, Properties consumerConfig, ExecutorService executorService)	Builds an instance of this class

Method Summary

Modifier and Type	Method	Description
protected void	refresh()	Launch a thread to refresh the offsets periodically
void	stop()

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

build, checkAndSubscribe, checkAndSubscribe, close, consume, consume, createConsumer, createProducer, getAdapter, getConsumer, getConsumerConfig, getConsumerRebalanceListener, getPollDuration, getProducer, getProducerConfig, getProducerErrors, getResumeCache, getTopic, init, loadCache, produce, resetProducerErrors, 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(String bootstrapServers,
                                    String topic,
                                    org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache,
                                    org.apache.camel.resume.ResumeAdapter resumeAdapter)

Create a new instance of this class

Parameters:

bootstrapServers - the address of the Kafka broker

topic - the topic where to publish the offsets

resumeCache - a cache instance where to store the offsets locally for faster access

resumeAdapter - the component-specific resume adapter

MultiNodeKafkaResumeStrategy

public MultiNodeKafkaResumeStrategy(String bootstrapServers,
                                    String topic,
                                    org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache,
                                    org.apache.camel.resume.ResumeAdapter resumeAdapter,
                                    ExecutorService executorService)

Builds an instance of this class

Parameters:

bootstrapServers -

topic - the topic where to publish the offsets

resumeCache - a cache instance where to store the offsets locally for faster access

resumeAdapter - the component-specific resume adapter

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

MultiNodeKafkaResumeStrategy

public MultiNodeKafkaResumeStrategy(String topic,
                                    org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache,
                                    org.apache.camel.resume.ResumeAdapter resumeAdapter,
                                    Properties producerConfig,
                                    Properties consumerConfig)

Builds an instance of this class

Parameters:

topic - the topic where to publish the offsets

resumeCache - a cache instance where to store the offsets locally for faster access

resumeAdapter - the component-specific resume adapter

producerConfig - the set of properties to be used by the Kafka producer within this class

consumerConfig - the set of properties to be used by the Kafka consumer within this class

MultiNodeKafkaResumeStrategy

public MultiNodeKafkaResumeStrategy(String topic,
                                    org.apache.camel.resume.cache.ResumeCache<K,V> resumeCache,
                                    org.apache.camel.resume.ResumeAdapter resumeAdapter,
                                    Properties producerConfig,
                                    Properties consumerConfig,
                                    ExecutorService executorService)

Builds an instance of this class

Parameters:

topic - the topic where to publish the offsets

resumeCache - a cache instance where to store the offsets locally for faster access

resumeAdapter - the component-specific resume adapter

producerConfig - the set of properties to be used by the Kafka producer within this class

consumerConfig - the set of properties to be used by the Kafka consumer within this class

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

Method Detail

refresh

protected void refresh()

Launch a thread to refresh the offsets periodically

stop

public void stop()

Specified by:

stop in interface org.apache.camel.Service

Overrides:

stop in class SingleNodeKafkaResumeStrategy<K,V>