com.blackberry.logdriver.mapreduce.boom.PigReBoomRecordWriter.java Source code

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/** Copyright (c) 2014 BlackBerry Limited
 *
 *  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.blackberry.logdriver.mapreduce.boom;

import java.io.IOException;

import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.pig.data.Tuple;

import com.blackberry.logdriver.boom.ReBoomWriter;

public class PigReBoomRecordWriter extends RecordWriter<Tuple, NullWritable> {

    private Path path;
    private FSDataOutputStream out;
    private ReBoomWriter writer;

    public PigReBoomRecordWriter(PigReBoomOutputFormat boomOutputFormat, TaskAttemptContext context)
            throws IOException {
        path = boomOutputFormat.getDefaultWorkFile(context, ".bm");
        out = path.getFileSystem(context.getConfiguration()).create(path);
        writer = new ReBoomWriter(out);
    }

    @Override
    public void write(Tuple key, NullWritable value) throws IOException, InterruptedException {
        writer.writeLine((Long) key.get(0), key.get(1).toString(), (Integer) key.get(2), (Long) key.get(3),
                (Long) key.get(4));
    }

    @Override
    public void close(TaskAttemptContext context) throws IOException, InterruptedException {
        writer.close();
    }

}