com.impetus.code.examples.hadoop.mapred.earthquake.EarthQuakeMapper.java Source code

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Here is the source code for com.impetus.code.examples.hadoop.mapred.earthquake.EarthQuakeMapper.java

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/**
 * Copyright 2013 Impetus Infotech.
 *
 * 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.impetus.code.examples.hadoop.mapred.earthquake;

import java.io.IOException;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

/**
 * <Prove description of functionality provided by this Type>
 * 
 * @author amresh.singh
 */
public class EarthQuakeMapper extends Mapper<LongWritable, Text, Text, IntWritable> {

    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {

        if (key.get() > 0) {

            String[] parsedData = value.toString().split(",");
            String date = DateCoverter.convertDate(parsedData[0]);

            if (date != null) {
                context.write(new Text(date), new IntWritable(1));
            }

        }
    }

}