Package 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	Description
private org.apache.hadoop.io.LongWritable	result

Constructor Summary

Constructors

Constructor	Description
LongSumReducer()

Method Summary

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

result

private org.apache.hadoop.io.LongWritable result

Constructor Details

LongSumReducer

LongSumReducer()

Method Details

reduce

public void reduce(Key key,
 Iterable<org.apache.hadoop.io.LongWritable> values,
 org.apache.hadoop.mapreduce.Reducer<Key,org.apache.hadoop.io.LongWritable,Key,org.apache.hadoop.io.LongWritable>.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