org.apache.nutch.indexer
Class IndexerMapReduce

java.lang.Object
  org.apache.hadoop.conf.Configured
      org.apache.nutch.indexer.IndexerMapReduce

All Implemented Interfaces:

Closeable, Configurable, JobConfigurable, Mapper<Text,Writable,Text,NutchWritable>, Reducer<Text,NutchWritable,Text,NutchDocument>

public class IndexerMapReduce
extends Configured
implements Mapper<Text,Writable,Text,NutchWritable>, Reducer<Text,NutchWritable,Text,NutchDocument>

Field Summary

static org.slf4j.Logger

LOG

Constructor Summary

IndexerMapReduce()

Method Summary

void	close()
void	configure(JobConf job)
static void	initMRJob(Path crawlDb, Path linkDb, Collection<Path> segments, JobConf job)
void	map(Text key, Writable value, OutputCollector<Text,NutchWritable> output, Reporter reporter)
void	reduce(Text key, Iterator<NutchWritable> values, OutputCollector<Text,NutchDocument> output, Reporter reporter)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.slf4j.Logger LOG

Constructor Detail

IndexerMapReduce

public IndexerMapReduce()

Method Detail

configure

public void configure(JobConf job)

Specified by:

configure in interface JobConfigurable

map

public void map(Text key,
                Writable value,
                OutputCollector<Text,NutchWritable> output,
                Reporter reporter)
         throws IOException

Specified by:

map in interface Mapper<Text,Writable,Text,NutchWritable>

Throws:

IOException

reduce

public void reduce(Text key,
                   Iterator<NutchWritable> values,
                   OutputCollector<Text,NutchDocument> output,
                   Reporter reporter)
            throws IOException

Specified by:

reduce in interface Reducer<Text,NutchWritable,Text,NutchDocument>

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Throws:

IOException

initMRJob

public static void initMRJob(Path crawlDb,
                             Path linkDb,
                             Collection<Path> segments,
                             JobConf job)