org.apache.giraph.examples

Class SimplePageRankComputation.SimplePageRankVertexOutputFormat

java.lang.Object

org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable<I,V,E>

org.apache.giraph.io.OutputFormat<I,V,E>

org.apache.giraph.io.VertexOutputFormat<I,V,E>

org.apache.giraph.io.formats.TextVertexOutputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

org.apache.giraph.examples.SimplePageRankComputation.SimplePageRankVertexOutputFormat

All Implemented Interfaces:

GiraphConfigurationSettable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>, ImmutableClassesGiraphConfigurable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

Enclosing class:

SimplePageRankComputation

public static class SimplePageRankComputation.SimplePageRankVertexOutputFormat
extends TextVertexOutputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

Simple VertexOutputFormat that supports SimplePageRankComputation

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	SimplePageRankComputation.SimplePageRankVertexOutputFormat.SimplePageRankVertexWriter Simple VertexWriter that supports SimplePageRankComputation

Nested classes/interfaces inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat

TextVertexOutputFormat.TextVertexWriter, TextVertexOutputFormat.TextVertexWriterToEachLine

Field Summary

Fields inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat

textOutputFormat

Constructor Summary

Constructors

Constructor and Description
SimplePageRankVertexOutputFormat()

Method Summary

Modifier and Type	Method and Description
TextVertexOutputFormat.TextVertexWriter	createVertexWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context) The factory method which produces the TextVertexOutputFormat.TextVertexWriter used by this output format.

Methods inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat

checkOutputSpecs, getOutputCommitter

Methods inherited from class org.apache.giraph.io.OutputFormat

postWriting, preWriting

Methods inherited from class org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable

getConf, setConf

Methods inherited from class java.lang.Object

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

Constructor Detail

SimplePageRankVertexOutputFormat

public SimplePageRankVertexOutputFormat()

Method Detail

createVertexWriter

public TextVertexOutputFormat.TextVertexWriter createVertexWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                           throws IOException,
                                                                  InterruptedException

Description copied from class: TextVertexOutputFormat

The factory method which produces the TextVertexOutputFormat.TextVertexWriter used by this output format.

Specified by:

createVertexWriter in class TextVertexOutputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

Parameters:

context - the information about the task

Returns:

the text vertex writer to be used

Throws:

IOException

InterruptedException