com.ifeng.vdn.logparser.mapper.VideoLogReducer.java Source code

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/*
 * Copyright 2010-2011 the original author or authors.
 *
 * 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.
 */
package com.ifeng.vdn.logparser.mapper;

import java.io.IOException;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @version 0.1
 *
 * @author Hefei Li
 *
 * @since Mar 16, 2015
 */
public class VideoLogReducer extends Reducer<Text, Text, Text, Text> {

    private static final Logger log = LoggerFactory.getLogger(VideoLogReducer.class);

    @Override
    protected void reduce(Text key, Iterable<Text> values, Reducer<Text, Text, Text, Text>.Context context)
            throws IOException, InterruptedException {

        for (Text value : values) {
            log.info("Key = {}  Value = {}", key.toString(), value.toString());
            context.write(key, value);
        }
    }

    /*@Override
    protected void reduce(Text key, Iterable<IntWritable> values,
     Reducer<Text, IntWritable, Text, IntWritable>.Context context)
     throws IOException, InterruptedException {
           
       for(IntWritable value : values){
     log.info("Key = {}  Value = {}", key.toString(), value.get());
       }
    }*/

}