org.apache.nutch.crawl

Class DeduplicationJob.DedupReducer

java.lang.Object

org.apache.nutch.crawl.DeduplicationJob.DedupReducer

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.BytesWritable,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>

Enclosing class:

DeduplicationJob

public static class DeduplicationJob.DedupReducer
extends Object
implements org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.BytesWritable,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>

Constructor Summary

Constructors

Constructor and Description
DeduplicationJob.DedupReducer()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	configure(org.apache.hadoop.mapred.JobConf arg0)
void	reduce(org.apache.hadoop.io.BytesWritable key, Iterator<CrawlDatum> values, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,CrawlDatum> output, org.apache.hadoop.mapred.Reporter reporter)

Methods inherited from class java.lang.Object

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

Constructor Detail

DeduplicationJob.DedupReducer

public DeduplicationJob.DedupReducer()

Method Detail

reduce

public void reduce(org.apache.hadoop.io.BytesWritable key,
          Iterator<CrawlDatum> values,
          org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,CrawlDatum> output,
          org.apache.hadoop.mapred.Reporter reporter)
            throws IOException

Specified by:

reduce in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.BytesWritable,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>

Throws:

IOException

configure

public void configure(org.apache.hadoop.mapred.JobConf arg0)

Specified by:

configure in interface org.apache.hadoop.mapred.JobConfigurable

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException