stream.storm

Class StreamSpout

java.lang.Object

backtype.storm.topology.base.BaseComponent

backtype.storm.topology.base.BaseRichSpout

stream.storm.StreamSpout

All Implemented Interfaces:

backtype.storm.spout.ISpout, backtype.storm.topology.IComponent, backtype.storm.topology.IRichSpout, Serializable

public class StreamSpout
extends backtype.storm.topology.base.BaseRichSpout

Author:

Christian Bockermann

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	className
protected backtype.storm.spout.SpoutOutputCollector	output
protected Variables	parameters

Constructor Summary

Constructors

Constructor and Description
StreamSpout(String className, Map<String,String> params)

Method Summary

Methods

Modifier and Type	Method and Description
void	declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer declarer)
void	nextTuple()
void	open(Map conf, backtype.storm.task.TopologyContext context, backtype.storm.spout.SpoutOutputCollector collector)

Methods inherited from class backtype.storm.topology.base.BaseRichSpout

ack, activate, close, deactivate, fail

Methods inherited from class backtype.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 backtype.storm.topology.IComponent

getComponentConfiguration

Field Detail

output

protected backtype.storm.spout.SpoutOutputCollector output

className

protected final String className

parameters

protected final Variables parameters

Constructor Detail

StreamSpout

public StreamSpout(String className,
           Map<String,String> params)

Method Detail

open

public void open(Map conf,
        backtype.storm.task.TopologyContext context,
        backtype.storm.spout.SpoutOutputCollector collector)

See Also:

ISpout.open(java.util.Map, backtype.storm.task.TopologyContext, backtype.storm.spout.SpoutOutputCollector)

nextTuple

public void nextTuple()

See Also:

ISpout.nextTuple()

declareOutputFields

public void declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer declarer)

See Also:

backtype.storm.topology.IComponent#declareOutputFields(backtype.storm .topology.OutputFieldsDeclarer)