org.apache.storm.topology.twister2

Class Twister2Spout

java.lang.Object

org.apache.storm.topology.twister2.Twister2Spout

All Implemented Interfaces:

INode, ISource, java.io.Serializable, Twister2StormNode

public class Twister2Spout
extends java.lang.Object
implements ISource, Twister2StormNode

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Twister2Spout(java.lang.String id, IRichSpout stormSpout)

Method Summary

Modifier and Type	Method and Description
void	execute() Execute without an incoming message
java.lang.String	getId()
Fields	getOutFieldsForEdge(java.lang.String edge)
java.lang.Integer	getParallelism()
Twister2SpoutDeclarer	getSpoutDeclarer()
void	prepare(Config cfg, TaskContext context) Prepare the task to be executed
void	setKeyedOutEdges(java.lang.String edge, Fields keys)
void	setParallelism(java.lang.Integer parallelism)

Methods inherited from class java.lang.Object

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

Constructor Detail

Twister2Spout

public Twister2Spout(java.lang.String id,
                     IRichSpout stormSpout)

Method Detail

setParallelism

public void setParallelism(java.lang.Integer parallelism)

getParallelism

public java.lang.Integer getParallelism()

getSpoutDeclarer

public Twister2SpoutDeclarer getSpoutDeclarer()

getOutFieldsForEdge

public Fields getOutFieldsForEdge(java.lang.String edge)

Specified by:

getOutFieldsForEdge in interface Twister2StormNode

setKeyedOutEdges

public void setKeyedOutEdges(java.lang.String edge,
                             Fields keys)

Specified by:

setKeyedOutEdges in interface Twister2StormNode

getId

public java.lang.String getId()

Specified by:

getId in interface Twister2StormNode

execute

public void execute()

Description copied from interface: ISource

Execute without an incoming message

Specified by:

execute in interface ISource

prepare

public void prepare(Config cfg,
                    TaskContext context)

Description copied from interface: INode

Prepare the task to be executed

Specified by:

prepare in interface INode

Parameters:

cfg - the configuration

context - the task context, this has runtime information about the task