Package org.apache.nutch.crawl

Class CrawlDbReader.CrawlDbTopNReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<FloatWritable,Text,FloatWritable,Text>

org.apache.nutch.crawl.CrawlDbReader.CrawlDbTopNReducer

Enclosing class:

CrawlDbReader

public static class CrawlDbReader.CrawlDbTopNReducer
extends Reducer<FloatWritable,Text,FloatWritable,Text>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer

Reducer.Context

Constructor Summary

Constructors

Constructor	Description
CrawlDbTopNReducer()

Method Summary

Modifier and Type	Method	Description
void	reduce(FloatWritable key, Iterable<Text> values, Reducer<FloatWritable,Text,FloatWritable,Text>.Context context)
void	setup(Reducer<FloatWritable,Text,FloatWritable,Text>.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Reducer

cleanup, run

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CrawlDbTopNReducer

public CrawlDbTopNReducer()

Method Details

reduce

public void reduce(FloatWritable key,
 Iterable<Text> values,
 Reducer<FloatWritable,Text,FloatWritable,Text>.Context context)
            throws IOException,
InterruptedException

Overrides:

reduce in class Reducer<FloatWritable,Text,FloatWritable,Text>

Throws:

IOException

InterruptedException

setup

public void setup(Reducer<FloatWritable,Text,FloatWritable,Text>.Context context)

Overrides:

setup in class Reducer<FloatWritable,Text,FloatWritable,Text>