pegasus.mapreduce.triangle

Class EdgeOrder.EOStep1Mapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<java.lang.Object,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>

pegasus.mapreduce.triangle.EdgeOrder.EOStep1Mapper

Enclosing class:

EdgeOrder

public static class EdgeOrder.EOStep1Mapper
extends org.apache.hadoop.mapreduce.Mapper<java.lang.Object,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
EOStep1Mapper()

Method Summary

Modifier and Type	Method and Description
protected void	map(java.lang.Object key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context) The map function of the first step

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

EOStep1Mapper

public EOStep1Mapper()

Method Detail

map

protected void map(java.lang.Object key,
                   org.apache.hadoop.io.Text value,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws java.io.IOException,
                   java.lang.InterruptedException

The map function of the first step

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<java.lang.Object,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>

Parameters:

key - not used

value - an edge as one line of text

context - of hadoop

Throws:

java.io.IOException - by hadoop

java.lang.InterruptedException - by hadoop