backtype.storm.testing

Class IdentityBolt

java.lang.Object

backtype.storm.topology.base.BaseComponent

backtype.storm.topology.base.BaseBasicBolt

backtype.storm.testing.IdentityBolt

All Implemented Interfaces:

IBasicBolt, IComponent, Serializable

public class IdentityBolt
extends BaseBasicBolt

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IdentityBolt(Fields fields)

Method Summary

Methods

Modifier and Type	Method and Description
void	declareOutputFields(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.
void	execute(Tuple input, BasicOutputCollector collector) Process the input tuple and optionally emit new tuples based on the input tuple.

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

cleanup, prepare

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

Constructor Detail

IdentityBolt

public IdentityBolt(Fields fields)

Method Detail

execute

public void execute(Tuple input,
           BasicOutputCollector collector)

Description copied from interface: IBasicBolt

Process the input tuple and optionally emit new tuples based on the input tuple. All acking is managed for you. Throw a FailedException if you want to fail the tuple.

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)

Description copied from interface: IComponent

Declare the output schema for all the streams of this topology.

Parameters:

declarer - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream