org.apache.hadoop.hbase.mapreduce

Class CellCounter.LongSumReducer<Key>

java.lang.Object

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

org.apache.hadoop.hbase.mapreduce.CellCounter.LongSumReducer<Key>

Enclosing class:

CellCounter

static class CellCounter.LongSumReducer<Key>
extends org.apache.hadoop.mapreduce.Reducer<Key,org.apache.hadoop.io.LongWritable,Key,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

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.hadoop.io.LongWritable	result

Constructor Summary

Constructors

Constructor and Description
LongSumReducer()

Method Summary

Modifier and Type	Method and Description
void	reduce(Key key, Iterable<org.apache.hadoop.io.LongWritable> 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

Field Detail

result

private org.apache.hadoop.io.LongWritable result

Constructor Detail

LongSumReducer

LongSumReducer()

Method Detail

reduce

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

Overrides:

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

Throws:

IOException

InterruptedException