WordReducerServant.java

package scs.demos.mapreduce.user;

import org.omg.CORBA.Any;

import scs.demos.bigtable.AllEntriesHolder;
import scs.demos.bigtable.Entries;
import scs.demos.bigtable.Sorter;
import scs.demos.mapreduce.IOMapReduceException;
import scs.demos.mapreduce.OutputCollector;
import scs.demos.mapreduce.ReducerPOA;
import scs.demos.mapreduce.Reporter;
import scs.demos.mapreduce.schedule.LogError;


/**
 * reducer utilizando o big table
 * @author hubert
 */

public class WordReducerServant extends ReducerPOA {
	
	public void reduce(OutputCollector collector, Reporter reporter, Sorter sorter) throws IOMapReduceException {
		try {			
			if (sorter != null) {
				AllEntriesHolder allEntries = new AllEntriesHolder();
				sorter.getEntriesOnRange(allEntries);
				
				Entries[] allEntriesArray = allEntries.value;
				String currentValue;
				for (int i = 0; i < allEntriesArray.length; i++) {
					int count = 0;
					for (int j = 0; j < allEntriesArray[i].values.length; j++){
						currentValue = allEntriesArray[i].values[j].extract_string();
						count = count + Integer.parseInt(currentValue);
					}
					Any value = allEntriesArray[i].values[0];
					value.insert_string(String.valueOf(count));	
					collector.collect(allEntriesArray[i].key, value);
				}
			}
		} catch (Exception e) {
			String exception = LogError.getStackTrace(e);
			reporter.report(0,"WordMapperServant::map - " + exception);
			throw new IOMapReduceException(); 
		}
	}
	
}