reactor.kafka.samples

Class SampleScenarios

java.lang.Object

reactor.kafka.samples.SampleScenarios

public class SampleScenarios
extends Object

Sample flows using Reactive API for Kafka. To run a sample scenario:

1. Start Zookeeper and Kafka server
2. Create Kafka topics TOPICS
3. Update BOOTSTRAP_SERVERS and TOPICS if required
4. Run SampleScenarios SampleScenarios.Scenario as Java application (eg. SampleScenarios KAFKA_SINK) with all dependent jars in the CLASSPATH (eg. from IDE).
5. Shutdown Kafka server and Zookeeper when no longer required

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SampleScenarios.AtmostOnce This sample demonstrates a flow with at-most once delivery.
static class	SampleScenarios.FanOut This sample demonstrates a flow where messages are consumed from a Kafka topic and processed by multiple streams with each transformed stream of messages stored in a separate Kafka topic.
static class	SampleScenarios.KafkaExactlyOnce This sample demonstrates an exactly/once transactional flow where messages are received from partitions of a source topic, transformed and sent to a destination topic using a transactional sender.
static class	SampleScenarios.KafkaSink This sample demonstrates the use of Kafka as a sink when messages are transferred from an external source to a Kafka topic.
static class	SampleScenarios.KafkaSinkChain This sample demonstrates the use of Kafka as a sink when messages are transferred from an external source to a Kafka topic.
static class	SampleScenarios.KafkaSource This sample demonstrates the use of Kafka as a source when messages are transferred from a Kafka topic to an external sink.
static class	SampleScenarios.KafkaTransform This sample demonstrates a flow where messages are consumed from a Kafka topic, transformed and the results stored in another Kafka topic.
static class	SampleScenarios.PartitionProcessor This sample demonstrates a flow where messages are consumed from a Kafka topic, processed by multiple threads and the results stored in another Kafka topic.
static class	SampleScenarios.Person
static class	SampleScenarios.PersonSerDes
protected static class	SampleScenarios.Scenario
static class	SampleScenarios.TransactionalSend This sample demonstrates the use of transactions to send data to multiple topic partitions, such that if one of the sends fails, the transaction is aborted and the data from uncommitted transactions are not visible to consumers configured with ConsumerConfig.ISOLATION_LEVEL_CONFIG read_committed.

Constructor Summary

Constructors

Constructor and Description
SampleScenarios()

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

SampleScenarios

public SampleScenarios()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception