ExampleDriver.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 org.apache.hadoop.examples;
- import org.apache.hadoop.examples.dancing.DistributedPentomino;
- import org.apache.hadoop.examples.dancing.Sudoku;
- import org.apache.hadoop.examples.terasort.TeraGen;
- import org.apache.hadoop.examples.terasort.TeraSort;
- import org.apache.hadoop.examples.terasort.TeraValidate;
- 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[]){
- int exitCode = -1;
- 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("aggregatewordhist", AggregateWordHistogram.class,
- "An Aggregate based map/reduce program that computes the histogram of 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("secondarysort", SecondarySort.class,
- "An example defining a secondary sort to the reduce.");
- pgd.addClass("sudoku", Sudoku.class, "A sudoku solver.");
- pgd.addClass("sleep", SleepJob.class, "A job that sleeps at each map and reduce task.");
- pgd.addClass("join", Join.class, "A job that effects a join over sorted, equally partitioned datasets");
- pgd.addClass("multifilewc", MultiFileWordCount.class, "A job that counts words from several files.");
- pgd.addClass("dbcount", DBCountPageView.class, "An example job that count the pageview counts from a database.");
- pgd.addClass("teragen", TeraGen.class, "Generate data for the terasort");
- pgd.addClass("terasort", TeraSort.class, "Run the terasort");
- pgd.addClass("teravalidate", TeraValidate.class, "Checking results of terasort");
- pgd.driver(argv);
-
- // Success
- exitCode = 0;
- }
- catch(Throwable e){
- e.printStackTrace();
- }
-
- System.exit(exitCode);
- }
- }
-