org.apache.nutch.crawl

Class CrawlDbMerger.Merger

java.lang.Object

org.apache.hadoop.mapred.MapReduceBase

org.apache.nutch.crawl.CrawlDbMerger.Merger

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, JobConfigurable, Reducer<Text,CrawlDatum,Text,CrawlDatum>

Enclosing class:

CrawlDbMerger

public static class CrawlDbMerger.Merger
extends MapReduceBase
implements Reducer<Text,CrawlDatum,Text,CrawlDatum>

Constructor Summary

Constructors

Constructor and Description
Merger()

Method Summary

Modifier and Type	Method and Description
void	close()
void	configure(JobConf conf)
void	reduce(Text key, java.util.Iterator<CrawlDatum> values, OutputCollector<Text,CrawlDatum> output, Reporter reporter)

Methods inherited from class java.lang.Object

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

Constructor Detail

Merger

public Merger()

Method Detail

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class MapReduceBase

Throws:

java.io.IOException

configure

public void configure(JobConf conf)

Specified by:

configure in interface JobConfigurable

Overrides:

configure in class MapReduceBase

reduce

public void reduce(Text key,
                   java.util.Iterator<CrawlDatum> values,
                   OutputCollector<Text,CrawlDatum> output,
                   Reporter reporter)
            throws java.io.IOException

Specified by:

reduce in interface Reducer<Text,CrawlDatum,Text,CrawlDatum>

Throws:

java.io.IOException