org.apache.giraph.io.formats

Class JsonLongDoubleFloatDoubleVertexInputFormat

java.lang.Object

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

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

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

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

org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat

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>

public class JsonLongDoubleFloatDoubleVertexInputFormat
extends TextVertexInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

VertexInputFormat that features long vertex ID's, double vertex values and float out-edge weights, and double message types, specified in JSON format.

Nested Class Summary

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

TextVertexInputFormat.TextVertexReader, TextVertexInputFormat.TextVertexReaderFromEachLine, TextVertexInputFormat.TextVertexReaderFromEachLineProcessed<T>, TextVertexInputFormat.TextVertexReaderFromEachLineProcessedHandlingExceptions<T,X extends Throwable>

Field Summary

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

textInputFormat

Constructor Summary

Constructors

Constructor and Description
JsonLongDoubleFloatDoubleVertexInputFormat()

Method Summary

Modifier and Type	Method and Description
TextVertexInputFormat.TextVertexReader	createVertexReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context) The factory method which produces the TextVertexInputFormat.TextVertexReader used by this input format.

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

checkInputSpecs, getSplits

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

readInputSplit, writeInputSplit

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

JsonLongDoubleFloatDoubleVertexInputFormat

public JsonLongDoubleFloatDoubleVertexInputFormat()

Method Detail

createVertexReader

public TextVertexInputFormat.TextVertexReader createVertexReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                 org.apache.hadoop.mapreduce.TaskAttemptContext context)

Description copied from class: TextVertexInputFormat

The factory method which produces the TextVertexInputFormat.TextVertexReader used by this input format.

Specified by:

createVertexReader in class TextVertexInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

Parameters:

split - the split to be read

context - the information about the task

Returns:

the text vertex reader to be used