From 2732a927f48aba526c48000bd9fb065117abfd55 Mon Sep 17 00:00:00 2001 From: lresende Date: Fri, 15 Aug 2008 16:38:03 +0000 Subject: Refactoring to move src to it's own project module git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@686275 13f79535-47bb-0310-9956-ffa450edef68 --- .../HadoopTest/src/services/WordCountImpl.java | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 sandbox/ctrezzo/HadoopTest/src/services/WordCountImpl.java (limited to 'sandbox/ctrezzo/HadoopTest/src/services/WordCountImpl.java') diff --git a/sandbox/ctrezzo/HadoopTest/src/services/WordCountImpl.java b/sandbox/ctrezzo/HadoopTest/src/services/WordCountImpl.java new file mode 100644 index 0000000000..0575506cc4 --- /dev/null +++ b/sandbox/ctrezzo/HadoopTest/src/services/WordCountImpl.java @@ -0,0 +1,69 @@ +/* + * 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 services; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.io.IntWritable; +import org.apache.hadoop.io.Text; +import org.apache.hadoop.mapred.JobClient; +import org.apache.hadoop.mapred.JobConf; +import org.osoa.sca.annotations.Property; + +public class WordCountImpl implements services.WordCount { + + //this path is a HDFS path + @Property + Path inputPath = new Path("/file01.txt"); + + //this path is a HDFS path + @Property + Path outputPath = new Path("/output1"); + + public void runJob() { + + org.apache.hadoop.examples.WordCount myCount = new org.apache.hadoop.examples.WordCount(); + Configuration conf = new Configuration(); + + myCount.setConf(conf); + + JobConf mapredConf = new JobConf(myCount.getConf(), org.apache.hadoop.examples.WordCount.class); + mapredConf.setJobName("wordcount"); + + // the keys are words (strings) + mapredConf.setOutputKeyClass(Text.class); + // the values are counts (ints) + mapredConf.setOutputValueClass(IntWritable.class); + + mapredConf.setMapperClass(org.apache.hadoop.examples.WordCount.MapClass.class); + mapredConf.setCombinerClass(org.apache.hadoop.examples.WordCount.Reduce.class); + mapredConf.setReducerClass(org.apache.hadoop.examples.WordCount.Reduce.class); + + mapredConf.setInputPath(inputPath); + mapredConf.setOutputPath(outputPath); + + try { + JobClient.runJob(mapredConf); + } + catch(Exception e) { + System.out.println("ERROR: " + e); + } + } +} -- cgit v1.2.3