Package org.apache.heron.bolts.kafka

Class KafkaBolt<K,V>

java.lang.Object

org.apache.heron.api.topology.BaseComponent

org.apache.heron.api.bolt.BaseRichBolt

org.apache.heron.bolts.kafka.KafkaBolt<K,V>

All Implemented Interfaces:

Serializable, org.apache.heron.api.bolt.IBolt, org.apache.heron.api.bolt.IRichBolt, org.apache.heron.api.topology.IComponent

public class KafkaBolt<K,V>
extends org.apache.heron.api.bolt.BaseRichBolt

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
KafkaBolt(KafkaProducerFactory<K,V> kafkaProducerFactory, TupleTransformer<K,V> tupleTransformer)

Method Summary

Modifier and Type	Method	Description
void	cleanup()
void	declareOutputFields(org.apache.heron.api.topology.OutputFieldsDeclarer declarer)
void	execute(org.apache.heron.api.tuple.Tuple input)
void	prepare(Map<String,Object> heronConf, org.apache.heron.api.topology.TopologyContext context, org.apache.heron.api.bolt.OutputCollector collector)

Methods inherited from class org.apache.heron.api.topology.BaseComponent

getComponentConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.heron.api.topology.IComponent

getComponentConfiguration

Constructor Detail

KafkaBolt

public KafkaBolt(KafkaProducerFactory<K,V> kafkaProducerFactory,
                 TupleTransformer<K,V> tupleTransformer)

Method Detail

prepare

public void prepare(Map<String,Object> heronConf,
                    org.apache.heron.api.topology.TopologyContext context,
                    org.apache.heron.api.bolt.OutputCollector collector)

cleanup

public void cleanup()

Specified by:

cleanup in interface org.apache.heron.api.bolt.IBolt

Overrides:

cleanup in class org.apache.heron.api.bolt.BaseRichBolt

execute

public void execute(org.apache.heron.api.tuple.Tuple input)

declareOutputFields

public void declareOutputFields(org.apache.heron.api.topology.OutputFieldsDeclarer declarer)