edu.american.student.redis.hadoop.RedisBigTableRecordWriter.java Source code

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/**
 * Copyright 2013 Cameron Cook
 *
 * 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 edu.american.student.redis.hadoop;

import java.io.IOException;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.hadoop.mapreduce.TaskAttemptContext;

import edu.american.student.redis.MessageFactory;
import edu.american.student.redis.foreman.RedisForeman;
import edu.american.student.redis.foreman.RedisForemanException;

public class RedisBigTableRecordWriter extends RecordWriter<RedisBigTableKey, Text> {
    private static byte[] table;
    private RedisForeman foreman = new RedisForeman();

    public RedisBigTableRecordWriter(byte[] table) {
        RedisBigTableRecordWriter.table = table;
    }

    @Override
    public void close(TaskAttemptContext arg0) throws IOException, InterruptedException {
        foreman.disconnect();
    }

    @Override
    public void write(RedisBigTableKey key, Text value) throws IOException, InterruptedException {
        try {
            foreman.write(table, key, value.getBytes());
        } catch (RedisForemanException e) {
            throw new IOException(MessageFactory.objective("Write key/value").objects(key, value).toString(), e);
        }
    }

}