pegasus.mapreduce.cc.old

Class Finalization.LargeStarReducer

java.lang.Object

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

pegasus.mapreduce.cc.old.Finalization.LargeStarReducer

Enclosing class:

Finalization

public static class Finalization.LargeStarReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,LongPairWritable,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
LargeStarReducer()

Method Summary

Modifier and Type	Method and Description
long	find(long x)
protected void	reduce(org.apache.hadoop.io.IntWritable key, java.lang.Iterable<LongPairWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)
void	union(long x, long y)

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

LargeStarReducer

public LargeStarReducer()

Method Detail

reduce

protected void reduce(org.apache.hadoop.io.IntWritable key,
                      java.lang.Iterable<LongPairWritable> 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.IntWritable,LongPairWritable,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>

Throws:

java.io.IOException

java.lang.InterruptedException

find

public long find(long x)

union

public void union(long x,
                  long y)