ParquetMapper.java

/*
 * Copyright 2015 OpenCB
 *
 * 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 org.opencb.hpg.bigdata.tools.io.parquet;

import org.apache.avro.generic.GenericRecord;
import org.apache.avro.mapred.AvroKey;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

/**
 * Created by hpccoll1 on 05/05/15.
 */
public class ParquetMapper extends Mapper<AvroKey<GenericRecord>, NullWritable, Void, GenericRecord> {

    @Override
    protected void map(AvroKey<GenericRecord> key, NullWritable value, Context context)
            throws IOException, InterruptedException {
        context.write(null, key.datum());
    }
}