org.apache.storm.flux.examples

Class StatefulWordCounter

java.lang.Object

org.apache.storm.topology.base.BaseStatefulBolt<KeyValueState<String,Long>>

org.apache.storm.flux.examples.StatefulWordCounter

All Implemented Interfaces:

Serializable, IComponent, IStatefulBolt<KeyValueState<String,Long>>, IStatefulComponent<KeyValueState<String,Long>>

public class StatefulWordCounter
extends BaseStatefulBolt<KeyValueState<String,Long>>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StatefulWordCounter()

Method Summary

Modifier and Type	Method and Description
void	declareOutputFields(OutputFieldsDeclarer declarer)
void	execute(Tuple tuple)
void	initState(KeyValueState<String,Long> state)
void	prepare(Map stormConf, TopologyContext context, OutputCollector collector)

Methods inherited from class org.apache.storm.topology.base.BaseStatefulBolt

cleanup, getComponentConfiguration, preCommit, prePrepare, preRollback

Methods inherited from class java.lang.Object

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

Constructor Detail

StatefulWordCounter

public StatefulWordCounter()

Method Detail

prepare

public void prepare(Map stormConf,
                    TopologyContext context,
                    OutputCollector collector)

Specified by:

prepare in interface IStatefulBolt<KeyValueState<String,Long>>

Overrides:

prepare in class BaseStatefulBolt<KeyValueState<String,Long>>

initState

public void initState(KeyValueState<String,Long> state)

execute

public void execute(Tuple tuple)

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)

Specified by:

declareOutputFields in interface IComponent

Overrides:

declareOutputFields in class BaseStatefulBolt<KeyValueState<String,Long>>