Package org.apache.pulsar.io.kafka

Class KafkaAbstractSource<V>

java.lang.Object

org.apache.pulsar.io.core.PushSource<V>

org.apache.pulsar.io.kafka.KafkaAbstractSource<V>

All Implemented Interfaces:

AutoCloseable, org.apache.pulsar.io.core.Source<V>

Direct Known Subclasses:

KafkaBytesSource, KafkaStringSource

public abstract class KafkaAbstractSource<V>
extends org.apache.pulsar.io.core.PushSource<V>

Simple Kafka Source to transfer messages from a Kafka topic.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	KafkaAbstractSource.KafkaRecord<V>
protected static class	KafkaAbstractSource.KeyValueKafkaRecord<V>

Constructor Summary

Constructors

Constructor	Description
KafkaAbstractSource()

Method Summary

Modifier and Type	Method	Description
protected Properties	beforeCreateConsumer(Properties props)
abstract KafkaAbstractSource.KafkaRecord	buildRecord(org.apache.kafka.clients.consumer.ConsumerRecord<Object,Object> consumerRecord)
void	close()
void	open(Map<String,Object> config, org.apache.pulsar.io.core.SourceContext sourceContext)
void	start()

Methods inherited from class org.apache.pulsar.io.core.PushSource

consume, getQueueLength, read

Methods inherited from class java.lang.Object

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

Constructor Details

KafkaAbstractSource

public KafkaAbstractSource()

Method Details

open

public void open(Map<String,Object> config,
 org.apache.pulsar.io.core.SourceContext sourceContext)
          throws Exception

Specified by:

open in interface org.apache.pulsar.io.core.Source<V>

Specified by:

open in class org.apache.pulsar.io.core.PushSource<V>

Throws:

Exception

beforeCreateConsumer

protected Properties beforeCreateConsumer(Properties props)

close

public void close()
           throws InterruptedException

Throws:

InterruptedException

start

public void start()

buildRecord

public abstract KafkaAbstractSource.KafkaRecord buildRecord(org.apache.kafka.clients.consumer.ConsumerRecord<Object,Object> consumerRecord)