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Mara - Java Annotations Framework for MapReduce on Hadoop
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package com.conversantmedia.mapreduce.example;
/*
* #%L
* Mara Framework Examples
* ~~
* Copyright (C) 2015 Conversant
* ~~
* 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.
* #L%
*/
import org.apache.hadoop.mapreduce.Job;
import com.conversantmedia.mapreduce.tool.DriverContextBase;
import com.conversantmedia.mapreduce.tool.annotation.Distribute;
import com.conversantmedia.mapreduce.tool.annotation.Driver;
import com.conversantmedia.mapreduce.tool.annotation.DriverContext;
import com.conversantmedia.mapreduce.tool.annotation.JobInfo;
import com.conversantmedia.mapreduce.tool.annotation.MapperInfo;
import com.conversantmedia.mapreduce.tool.annotation.Option;
import com.conversantmedia.mapreduce.tool.annotation.ReducerInfo;
@Driver("wordcount-minimum")
public class WordCountWithMinimum {
@DriverContext
private MinimumWordCountContext context;
@JobInfo("Another Distributed Cache Example Job")
@MapperInfo(WordCountMapper.class)
@ReducerInfo(WordCountReducerWithMinimum.class)
Job job;
public static class MinimumWordCountContext extends DriverContextBase {
@Option(argName="value", description="Minimum number of times a word must appear before it is included.")
@Distribute
private String minimum;
}
}
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