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/**
 * Copyright (c) 2016, 2020, Oracle and/or its affiliates.  All rights reserved.
 * This software is dual-licensed to you under the Universal Permissive License (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl
 * or Apache License 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose either license.
 */
package com.oracle.bmc.hadoop.example;

import java.io.IOException;

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

public class SimpleReducer extends Reducer {
    private final IntWritable result = new IntWritable();

    @Override
    public void reduce(final Text key, final Iterable values, final Context context)
            throws IOException, InterruptedException {
        int sum = 0;
        for (final IntWritable val : values) {
            sum += val.get();
        }
        this.result.set(sum);
        context.write(key, this.result);
    }
}