Package org.apache.hadoop.examples

Source Code of org.apache.hadoop.examples.ExampleDriver

/**
* 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 org.apache.hadoop.examples;
import org.apache.hadoop.examples.dancing.DistributedPentomino;
import org.apache.hadoop.examples.dancing.Sudoku;
import org.apache.hadoop.util.ProgramDriver;

/**
* A description of an example program based on its class and a
* human-readable description.
*/
public class ExampleDriver {
 
  public static void main(String argv[]){
    ProgramDriver pgd = new ProgramDriver();
    try {
      pgd.addClass("wordcount", WordCount.class,
                   "A map/reduce program that counts the words in the input files.");
      pgd.addClass("aggregatewordcount", AggregateWordCount.class,
                   "An Aggregate based map/reduce program that counts the words in the input files.");
      pgd.addClass("grep", Grep.class,
                   "A map/reduce program that counts the matches of a regex in the input.");
      pgd.addClass("randomwriter", RandomWriter.class,
                   "A map/reduce program that writes 10GB of random data per node.");
      pgd.addClass("randomtextwriter", RandomTextWriter.class,
      "A map/reduce program that writes 10GB of random textual data per node.");
      pgd.addClass("sort", Sort.class, "A map/reduce program that sorts the data written by the random writer.");
      pgd.addClass("pi", PiEstimator.class, "A map/reduce program that estimates Pi using monte-carlo method.");
      pgd.addClass("pentomino", DistributedPentomino.class,
      "A map/reduce tile laying program to find solutions to pentomino problems.");
      pgd.addClass("sudoku", Sudoku.class, "A sudoku solver.");
      pgd.addClass("sleep", SleepJob.class, "A job that sleeps at each map and reduce task.");
      pgd.driver(argv);
    }
    catch(Throwable e){
      e.printStackTrace();
    }
  }
}
  
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