Package org.apache.nutch.crawl

Class Generator.SelectorReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<FloatWritable,Generator.SelectorEntry,FloatWritable,Generator.SelectorEntry>

org.apache.nutch.crawl.Generator.SelectorReducer

Enclosing class:

Generator

public static class Generator.SelectorReducer
extends Reducer<FloatWritable,Generator.SelectorEntry,FloatWritable,Generator.SelectorEntry>

Collect until limit is reached.

Nested Class Summary

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

Reducer.Context

Constructor Summary

Constructors

Constructor	Description
SelectorReducer()

Method Summary

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

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

run

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectorReducer

public SelectorReducer()

Method Detail

readHostDb

public void readHostDb()
                throws IOException

Throws:

IOException

setup

public void setup(Reducer.Context context)
           throws IOException

Overrides:

setup in class Reducer<FloatWritable,Generator.SelectorEntry,FloatWritable,Generator.SelectorEntry>

Throws:

IOException

cleanup

public void cleanup(Reducer.Context context)
             throws IOException,
                    InterruptedException

Overrides:

cleanup in class Reducer<FloatWritable,Generator.SelectorEntry,FloatWritable,Generator.SelectorEntry>

Throws:

IOException

InterruptedException

reduce

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

Overrides:

reduce in class Reducer<FloatWritable,Generator.SelectorEntry,FloatWritable,Generator.SelectorEntry>

Throws:

IOException

InterruptedException