pegasus.mapreduce.common.prepartitioning

Class UnweightedGraphPrepartitioning.PrepartitioningCombiner

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,LongArrayWritable,org.apache.hadoop.io.LongWritable,LongArrayWritable>

pegasus.mapreduce.common.prepartitioning.UnweightedGraphPrepartitioning.PrepartitioningCombiner

Enclosing class:

UnweightedGraphPrepartitioning

public static class UnweightedGraphPrepartitioning.PrepartitioningCombiner
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,LongArrayWritable,org.apache.hadoop.io.LongWritable,LongArrayWritable>

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
PrepartitioningCombiner()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.LongWritable key, java.lang.Iterable<LongArrayWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)

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

PrepartitioningCombiner

public PrepartitioningCombiner()

Method Detail

reduce

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

Overrides:

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

Throws:

java.io.IOException

java.lang.InterruptedException