[TOC]

org.apache.nutch.crawl

Class DeduplicationJob.DedupReducer

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 values, org.apache.hadoop.mapred.OutputCollector output, org.apache.hadoop.mapred.Reporter reporter) 

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Methods inherited from class java.lang.Object

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

Constructor Detail

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DeduplicationJob.DedupReducer

public DeduplicationJob.DedupReducer()

Method Detail

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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: 
  - <code>reduce</code> in interface <code>org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.byteswritable,crawldatum,org.apache.hadoop.io.text,crawldatum></org.apache.hadoop.io.byteswritable,crawldatum,org.apache.hadoop.io.text,crawldatum></code> 
  - Throws: 
  - <code>IOException</code>       
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configure

public void configure(org.apache.hadoop.mapred.JobConf arg0)
  - Specified by: 
  - <code>configure</code> in interface <code>org.apache.hadoop.mapred.JobConfigurable</code>        
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close

public void close()
           throws IOException
  - Specified by: 
  - <code>close</code> in interface <code>Closeable</code> 
  - Specified by: 
  - <code>close</code> in interface <code>AutoCloseable</code> 
  - Throws: 
  - <code>IOException</code>

Copyright © 2014 The Apache Software Foundation