eu.europeana.cloud.service.dps.storm

Class ProgressBolt

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseRichBolt

eu.europeana.cloud.service.dps.storm.AbstractDpsBolt

eu.europeana.cloud.service.dps.storm.ProgressBolt

All Implemented Interfaces:

Serializable, org.apache.storm.task.IBolt, org.apache.storm.topology.IComponent, org.apache.storm.topology.IRichBolt

public class ProgressBolt
extends AbstractDpsBolt

Increases progress by 1 per Task / per tuple received. Progress bolt can be placed at the end of a topology, to count the amount of records that are fully processed. Right now only single Progress bolt is supported per Topology.

Author:

manos

See Also:

Serialized Form

Field Summary

Fields inherited from class eu.europeana.cloud.service.dps.storm.AbstractDpsBolt

inputTuple, killService, NOTIFICATION_STREAM_NAME, outputCollector, stormConfig, topologyContext, topologyName

Constructor Summary

Constructors

Constructor and Description
ProgressBolt(String zkAddress)

Method Summary

Methods

Modifier and Type	Method and Description
void	execute(StormTaskTuple t)
void	prepare()

Methods inherited from class eu.europeana.cloud.service.dps.storm.AbstractDpsBolt

declareOutputFields, emitDropNotification, emitErrorNotification, emitKillNotification, emitSuccess, endTask, execute, logAndEmitError, logAndEmitError, prepare, updateTask

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

cleanup

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

getComponentConfiguration

Constructor Detail

ProgressBolt

public ProgressBolt(String zkAddress)

Method Detail

prepare

public void prepare()

Specified by:

prepare in class AbstractDpsBolt

execute

public void execute(StormTaskTuple t)

Specified by:

execute in class AbstractDpsBolt