Package org.apache.nutch.scoring.webgraph

Class WebGraph.OutlinkDb.OutlinkDbReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<Text,NutchWritable,Text,LinkDatum>

org.apache.nutch.scoring.webgraph.WebGraph.OutlinkDb.OutlinkDbReducer

Enclosing class:

WebGraph.OutlinkDb

public static class WebGraph.OutlinkDb.OutlinkDbReducer
extends Reducer<Text,NutchWritable,Text,LinkDatum>

Nested Class Summary

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

Reducer.Context

Constructor Summary

Constructors

Constructor	Description
OutlinkDbReducer()

Method Summary

Modifier and Type	Method	Description
void	reduce(Text key, Iterable<NutchWritable> values, Reducer<Text,NutchWritable,Text,LinkDatum>.Context context)
void	setup(Reducer<Text,NutchWritable,Text,LinkDatum>.Context context)	Configures the OutlinkDb job reducer.

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

OutlinkDbReducer

public OutlinkDbReducer()

Method Details

setup

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

Configures the OutlinkDb job reducer. Sets up internal links and link limiting.

Overrides:

setup in class Reducer<Text,NutchWritable,Text,LinkDatum>

reduce

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

Overrides:

reduce in class Reducer<Text,NutchWritable,Text,LinkDatum>

Throws:

IOException

InterruptedException