pegasus.mapreduce.triangle

Class EdgeOrder.EOStep1Reducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable,LongPairWritable,org.apache.hadoop.io.IntWritable>

pegasus.mapreduce.triangle.EdgeOrder.EOStep1Reducer

Enclosing class:

EdgeOrder

public static class EdgeOrder.EOStep1Reducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable,LongPairWritable,org.apache.hadoop.io.IntWritable>

Nested Class Summary

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

org.apache.hadoop.mapreduce.Reducer.Context

Constructor Summary

Constructors

Constructor and Description
EOStep1Reducer()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.LongWritable _u, java.lang.Iterable<org.apache.hadoop.io.LongWritable> uN, org.apache.hadoop.mapreduce.Reducer.Context context) The reduce function of the first step

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

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

EOStep1Reducer

public EOStep1Reducer()

Method Detail

reduce

protected void reduce(org.apache.hadoop.io.LongWritable _u,
                      java.lang.Iterable<org.apache.hadoop.io.LongWritable> uN,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws java.io.IOException,
                      java.lang.InterruptedException

The reduce function of the first step

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable,LongPairWritable,org.apache.hadoop.io.IntWritable>

Parameters:

_u - a vertex

uN - neighbors of the vertex

context - of hadoop

Throws:

java.io.IOException - by hadoop

java.lang.InterruptedException - by hadoop