org.apache.giraph.examples

Class SimpleVertexWithWorkerContext

java.lang.Object

org.apache.giraph.examples.SimpleVertexWithWorkerContext

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class SimpleVertexWithWorkerContext
extends Object
implements org.apache.hadoop.util.Tool

Fully runnable example of how to emit worker data to HDFS during a graph computation.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SimpleVertexWithWorkerContext.EmitterWorkerContext Example worker context to emit data as part of a superstep.
static class	SimpleVertexWithWorkerContext.SimpleComputation Actual vetex implementation

Field Summary

Fields

Modifier and Type	Field and Description
static String	OUTPUTDIR Directory name of where to write.

Constructor Summary

Constructors

Constructor and Description
SimpleVertexWithWorkerContext()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.conf.Configuration	getConf()
static void	main(String[] args) Executable from the command line.
int	run(String[] args)
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Field Detail

OUTPUTDIR

public static final String OUTPUTDIR

Directory name of where to write.

See Also:

Constant Field Values

Constructor Detail

SimpleVertexWithWorkerContext

public SimpleVertexWithWorkerContext()

Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

run

public int run(String[] args)
        throws Exception

Specified by:

run in interface org.apache.hadoop.util.Tool

Throws:

Exception

main

public static void main(String[] args)
                 throws Exception

Executable from the command line.

Parameters:

args - Command line arguments.

Throws:

Exception