package?example;

import?java.io.IOException;
import?java.util.Iterator;

import?org.apache.hadoop.io.IntWritable;
import?org.apache.hadoop.mapreduce.Reducer;

public?class?InvertedIndexCombiner?extends?Reducer?
{	@Override
	protected?void?reduce（Posting?key?Iterable?values?Context?context）
			throws?IOException?InterruptedException?
?	{	Iterator?it?=?values.iterator（）;
?		
?		int?sum=0;
?		
?		while（it.hasNext（））{
?			sum++;
?			it.next（）;
?		}
?		
?		context.write（keynew?IntWritable（sum））;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-04-26?09:49??InvertedIndex\
?????文件????????4462??2011-04-26?09:39??InvertedIndex\.classpath
?????文件?????????389??2011-04-26?09:38??InvertedIndex\.project
?????目錄???????????0??2011-05-16?20:02??InvertedIndex\bin\
?????文件???????????0??2011-04-26?09:49??InvertedIndex\SecurityAuth.audit
?????目錄???????????0??2011-04-26?09:39??InvertedIndex\src\
?????目錄???????????0??2011-04-26?10:57??InvertedIndex\src\example\
?????文件?????????608??2011-05-16?14:30??InvertedIndex\src\example\InvertedIndexCombiner.java
?????文件????????1527??2011-04-26?10:59??InvertedIndex\src\example\InvertedIndexer.java
?????文件????????1042??2011-05-16?14:22??InvertedIndex\src\example\InvertedIndexMapper.java
?????文件????????2575??2011-04-26?14:55??InvertedIndex\src\example\InvertedIndexReducer.java
?????文件?????????405??2011-04-26?10:58??InvertedIndex\src\example\NewPartitioner.java
?????文件????????3034??2011-04-26?10:45??InvertedIndex\src\example\Posting.java