pegasus.mapreduce.cc

Class PASmallStarOpt.PASmallStarCombiner

java.lang.Object

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

pegasus.mapreduce.cc.PASmallStarOpt.PASmallStarCombiner

Enclosing class:

PASmallStarOpt

public static class PASmallStarOpt.PASmallStarCombiner
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>

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
PASmallStarCombiner()

Method Summary

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

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

PASmallStarCombiner

public PASmallStarCombiner()

Method Detail

reduce

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

the combiner function of PASmallStarOpt

Overrides:

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

Parameters:

key - source node

values - destination nodes

context - of hadoop

Throws:

java.io.IOException - by hadoop

java.lang.InterruptedException - by hadoop