Class CrawlDbReader.CrawlDbStatMapper

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org.apache.nutch.crawl

java.lang.Object
- org.apache.nutch.crawl.CrawlDbReader.CrawlDbStatMapper

- All Implemented Interfaces:
- Closeable, AutoCloseable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper
- Enclosing class:
- CrawlDbReader

public static class CrawlDbReader.CrawlDbStatMapper
extends Object
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,CrawlDatum,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable>

Constructor Summary

Constructors Constructor and Description CrawlDbReader.CrawlDbStatMapper()

Method Summary

Methods Modifier and Type Method and Description void close() void configure(org.apache.hadoop.mapred.JobConf job) void map(org.apache.hadoop.io.Text key, CrawlDatum value, org.apache.hadoop.mapred.OutputCollector 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

CrawlDbReader.CrawlDbStatMapper

public CrawlDbReader.CrawlDbStatMapper()

Method Detail

configure

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

  - Specified by: 
  - <code>configure</code> in interface <code>org.apache.hadoop.mapred.JobConfigurable</code>        
-

close

public void close()

  - Specified by: 
  - <code>close</code> in interface <code>Closeable</code> 
  - Specified by: 
  - <code>close</code> in interface <code>AutoCloseable</code>        
-

map

public void map(org.apache.hadoop.io.Text key,
       CrawlDatum value,
       org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable> output,
       org.apache.hadoop.mapred.Reporter reporter)
         throws IOException

  - Specified by: 
  - <code>map</code> in interface <code>org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.text,crawldatum,org.apache.hadoop.io.text,org.apache.hadoop.io.longwritable></org.apache.hadoop.io.text,crawldatum,org.apache.hadoop.io.text,org.apache.hadoop.io.longwritable></code> 
  - Throws: 
  - <code>IOException</code>

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