de.tudarmstadt.ukp.dkpro.bigdata.examples.CasConsumerExample.java Source code

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/*******************************************************************************
 * Copyright 2013
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universitt Darmstadt
 * 
 * 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 de.tudarmstadt.ukp.dkpro.bigdata.examples;

import static org.apache.uima.fit.factory.AnalysisEngineFactory.*;
import static org.apache.uima.fit.factory.CollectionReaderFactory.*;
import static de.tudarmstadt.ukp.dkpro.core.api.io.ResourceCollectionReaderBase.INCLUDE_PREFIX;

import java.net.URI;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.util.ToolRunner;
import org.apache.uima.analysis_engine.AnalysisEngineDescription;
import org.apache.uima.collection.CollectionReader;
import org.apache.uima.resource.ResourceInitializationException;

import de.tudarmstadt.ukp.dkpro.bigdata.hadoop.DkproHadoopDriver;
import de.tudarmstadt.ukp.dkpro.bigdata.hadoop.DkproMapper;
import de.tudarmstadt.ukp.dkpro.bigdata.hadoop.DkproReducer;
import de.tudarmstadt.ukp.dkpro.bigdata.io.hadoop.Text2CASInputFormat;
import de.tudarmstadt.ukp.dkpro.core.io.text.TextReader;
import de.tudarmstadt.ukp.dkpro.core.io.text.TextWriter;
import de.tudarmstadt.ukp.dkpro.core.snowball.SnowballStemmer;
import de.tudarmstadt.ukp.dkpro.core.tokit.BreakIteratorSegmenter;
import de.tudarmstadt.ukp.dkpro.core.dictionaryannotator.DictionaryAnnotator;
import de.tudarmstadt.ukp.dkpro.core.examples.type.Name;

public class CasConsumerExample extends DkproHadoopDriver {

    //    public CollectionReader buildCollectionReader()
    //        throws ResourceInitializationException
    //    {
    //        return createReader(TextReader.class, TextReader.PARAM_SOURCE_LOCATION, "src/test/resources/text",
    //                TextReader.PARAM_PATTERNS, new String[] { INCLUDE_PREFIX + "*.txt" },
    //                TextReader.PARAM_LANGUAGE, "en");
    //
    //    }
    public AnalysisEngineDescription buildMapperEngine(Configuration job) throws ResourceInitializationException {
        AnalysisEngineDescription tokenizer = createEngineDescription(BreakIteratorSegmenter.class);
        AnalysisEngineDescription stemmer = createEngineDescription(SnowballStemmer.class,
                SnowballStemmer.PARAM_LANGUAGE, "en");
        AnalysisEngineDescription writer = createEngineDescription(TextWriter.class,
                TextWriter.PARAM_TARGET_LOCATION, "$dir/");
        //          AnalysisEngineDescription nameFinder = createEngineDescription(
        //            DictionaryAnnotator.class,
        //            DictionaryAnnotator.PARAM_MODEL_LOCATION, "$dictionary/names.txt",
        //            DictionaryAnnotator.PARAM_ANNOTATION_TYPE, Name.class);
        return createEngineDescription(tokenizer, stemmer, writer);

    }

    public static void main(String[] args) throws Exception {
        CasConsumerExample pipeline = new CasConsumerExample();
        pipeline.setMapperClass(DkproMapper.class);
        pipeline.setReducerClass(DkproReducer.class);

        ToolRunner.run(new Configuration(), pipeline, args);
    }

    @Override
    public void configure(JobConf job) {
        job.set("mapreduce.job.queuename", "smalljob");
        job.setInputFormat(Text2CASInputFormat.class);
    }

    @Override
    public Class getInputFormatClass() {
        // TODO Auto-generated method stub
        return null;
    }

}