com.ery.hadoop.mrddx.hive.HiveSequenceFileOutputFormat.java Source code

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Here is the source code for com.ery.hadoop.mrddx.hive.HiveSequenceFileOutputFormat.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.ery.hadoop.mrddx.hive;

import java.io.IOException;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.hadoop.mapreduce.TaskAttemptContext;

import com.ery.hadoop.mrddx.db.mapreduce.FileWritable;

/**
 * HiveSequenc?
 * 
    
    
    
 * @createDate 2013-1-29
 * @version v1.0
 * @param <K>
 * @param <V>
 */
@InterfaceAudience.Public
@InterfaceStability.Stable
public class HiveSequenceFileOutputFormat<K extends FileWritable, V> extends HiveOutputFormat<K, V> {
    @Override
    public RecordWriter<K, NullWritable> getRecordWriter(TaskAttemptContext context)
            throws IOException, InterruptedException {

        return new HiveSequenceFileRecordWriter<K, NullWritable>(context, this);

    }

    @Override
    public void handle(Job conf) throws Exception {
        super.handle(conf);
        conf.setOutputKeyClass(LongWritable.class);
        conf.setOutputValueClass(Text.class);
        conf.setOutputFormatClass(HiveSequenceFileOutputFormat.class);
    }
}