net.sf.eos.hadoop.mapred.index
Class IndexReducer<K extends WritableComparable>

java.lang.Object
  org.apache.hadoop.mapred.MapReduceBase
      net.sf.eos.hadoop.mapred.EosDocumentSupportMapReduceBase
          net.sf.eos.hadoop.mapred.index.IndexReducer<K>

All Implemented Interfaces:

Closeable, JobConfigurable, Reducer<K,Text,K,ObjectWritable>

public class IndexReducer<K extends WritableComparable>
extends EosDocumentSupportMapReduceBase
implements Reducer<K,Text,K,ObjectWritable>

Constructor Summary

IndexReducer()

Method Summary

void	close()
void	configure(JobConf conf)
void	reduce(K key, Iterator<Text> lineIterator, OutputCollector<K,ObjectWritable> output, Reporter reporter)

Methods inherited from class net.sf.eos.hadoop.mapred.EosDocumentSupportMapReduceBase

eosDocumentToText, getSerializer, textToEosDocument

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexReducer

public IndexReducer()

Method Detail

reduce

public void reduce(K key,
                   Iterator<Text> lineIterator,
                   OutputCollector<K,ObjectWritable> output,
                   Reporter reporter)
            throws IOException

Specified by:

reduce in interface Reducer<K extends WritableComparable,Text,K extends WritableComparable,ObjectWritable>

Throws:

IOException

configure

public void configure(JobConf conf)

Specified by:

configure in interface JobConfigurable

Overrides:

configure in class EosDocumentSupportMapReduceBase

Parameters:

conf - the configuration

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class EosDocumentSupportMapReduceBase

Throws:

IOException