org.apache.storm.kafka.spout

Class KafkaSpout<K,V>

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseRichSpout

org.apache.storm.kafka.spout.KafkaSpout<K,V>

All Implemented Interfaces:

Serializable, ISpout, IComponent, IRichSpout

public class KafkaSpout<K,V>
extends BaseRichSpout

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected SpoutOutputCollector	collector
static long	TIMER_DELAY_MS

Constructor Summary

Constructors

Constructor and Description
KafkaSpout(KafkaSpoutConfig<K,V> kafkaSpoutConfig)

Method Summary

Modifier and Type	Method and Description
void	ack(Object messageId)
void	activate()
void	close()
void	deactivate()
void	declareOutputFields(OutputFieldsDeclarer declarer)
void	fail(Object messageId)
Map<String,Object>	getComponentConfiguration()
void	nextTuple()
void	open(Map conf, TopologyContext context, SpoutOutputCollector collector)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

TIMER_DELAY_MS

public static final long TIMER_DELAY_MS

See Also:

Constant Field Values

collector

protected SpoutOutputCollector collector

Constructor Detail

KafkaSpout

public KafkaSpout(KafkaSpoutConfig<K,V> kafkaSpoutConfig)

Method Detail

open

public void open(Map conf,
                 TopologyContext context,
                 SpoutOutputCollector collector)

nextTuple

public void nextTuple()

ack

public void ack(Object messageId)

Specified by:

ack in interface ISpout

Overrides:

ack in class BaseRichSpout

fail

public void fail(Object messageId)

Specified by:

fail in interface ISpout

Overrides:

fail in class BaseRichSpout

activate

public void activate()

Specified by:

activate in interface ISpout

Overrides:

activate in class BaseRichSpout

deactivate

public void deactivate()

Specified by:

deactivate in interface ISpout

Overrides:

deactivate in class BaseRichSpout

close

public void close()

Specified by:

close in interface ISpout

Overrides:

close in class BaseRichSpout

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)

toString

public String toString()

Overrides:

toString in class Object

getComponentConfiguration

public Map<String,Object> getComponentConfiguration()

Specified by:

getComponentConfiguration in interface IComponent

Overrides:

getComponentConfiguration in class BaseComponent