/**
 * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License. See accompanying LICENSE file.
 */
package org.apache.oozie.action.hadoop;

import org.apache.hadoop.mapred.Mapper;
import org.apache.hadoop.mapred.OutputCollector;
import org.apache.hadoop.mapred.Reporter;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.Reducer;

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

public class MapperReducerForTest implements Mapper, Reducer {
    public static final String GROUP = "g";
    public static final String NAME = "c";

    public static void main(String[] args) {
        System.out.println("hello!");
    }

    public void configure(JobConf jobConf) {
    }

    public void close() throws IOException {
    }

    @SuppressWarnings("unchecked")
    public void map(Object key, Object value, OutputCollector collector, Reporter reporter) throws IOException {
        collector.collect(key, value);
        reporter.incrCounter(GROUP, NAME, 5l);
    }

    @SuppressWarnings("unchecked")
    public void reduce(Object key, Iterator values, OutputCollector collector, Reporter reporter)
            throws IOException {
        while (values.hasNext()) {
            collector.collect(key, values.next());
        }
    }
}