SemanticTermsReducer.java

/*=============================================================================
|   Assignment:  Final Project - Multiple Document Summarization
|       Author:  Group7 - (Sampath, Ajay, Visesh)
|       Grader:  Walid Shalaby
|
|       Course:  ITCS 6190
|   Instructor:  Srinivas Akella
|
|     Language:  Java 
|     Version :  1.8.0_101
|                
| Deficiencies:  No logical errors.
*===========================================================================*/

import java.io.IOException;

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

/*
 * Reducer class to calculate sum of term frequencies for each term
 * in the topics list.
 * */
public class SemanticTermsReducer extends Reducer<Text, IntWritable, Text, IntWritable> {
	@Override
	public void reduce(Text word, Iterable<IntWritable> counts, Context context)
			throws IOException, InterruptedException {
		int termFreq = 0;
		for (IntWritable count : counts) {
			termFreq += count.get();
		}
		context.write(word, new IntWritable(termFreq));
	}
}