edu.isi.mavuno.app.distsim.ContextToContext.java Source code

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Here is the source code for edu.isi.mavuno.app.distsim.ContextToContext.java

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/*
 * Mavuno: A Hadoop-Based Text Mining Toolkit
 * 
 * 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 edu.isi.mavuno.app.distsim;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.apache.log4j.Logger;

import edu.isi.mavuno.util.MavunoUtils;

/**
 * @author metzler
 *
 */
public class ContextToContext extends Configured implements Tool {
    private static final Logger sLogger = Logger.getLogger(ContextToContext.class);

    public ContextToContext(Configuration conf) {
        super(conf);
    }

    /* (non-Javadoc)
     * @see org.apache.hadoop.util.Tool#run(java.lang.String[])
     */
    @Override
    public int run(String[] args) throws ClassNotFoundException, InterruptedException, IOException {
        MavunoUtils.readParameters(args, "Mavuno.ContextToContext", getConf());
        return run();
    }

    public int run() throws ClassNotFoundException, InterruptedException, IOException {
        Configuration conf = getConf();

        String contextPath = MavunoUtils.getRequiredParam("Mavuno.ContextToContext.ContextPath", conf);
        String corpusClass = MavunoUtils.getRequiredParam("Mavuno.ContextToContext.CorpusClass", conf);
        String corpusPath = MavunoUtils.getRequiredParam("Mavuno.ContextToContext.CorpusPath", conf);
        String extractorClass = MavunoUtils.getRequiredParam("Mavuno.ContextToContext.ExtractorClass", conf);
        String extractorArgs = MavunoUtils.getRequiredParam("Mavuno.ContextToContext.ExtractorArgs", conf);
        int minMatches = Integer.parseInt(MavunoUtils.getRequiredParam("Mavuno.ContextToContext.MinMatches", conf));
        boolean harvestGlobalStats = Boolean
                .parseBoolean(MavunoUtils.getRequiredParam("Mavuno.ContextToContext.GlobalStats", conf));
        String outputPath = MavunoUtils.getRequiredParam("Mavuno.ContextToContext.OutputPath", conf);

        MavunoUtils.createDirectory(conf, outputPath);

        sLogger.info("Tool name: ContextToContext");
        sLogger.info(" - Context path: " + contextPath);
        sLogger.info(" - Corpus class: " + corpusClass);
        sLogger.info(" - Corpus path: " + corpusPath);
        sLogger.info(" - Output path: " + outputPath);
        sLogger.info(" - Extractor class: " + extractorClass);
        sLogger.info(" - Extractor arguments: " + extractorArgs);
        sLogger.info(" - Min matches: " + minMatches);
        sLogger.info(" - Harvest global stats: " + harvestGlobalStats);

        // context to pattern
        conf.set("Mavuno.ContextToPattern.ContextPath", contextPath);
        conf.set("Mavuno.ContextToPattern.CorpusPath", corpusPath);
        conf.set("Mavuno.ContextToPattern.CorpusClass", corpusClass);
        conf.set("Mavuno.ContextToPattern.ExtractorClass", extractorClass);
        conf.set("Mavuno.ContextToPattern.ExtractorArgs", extractorArgs);
        conf.setInt("Mavuno.ContextToPattern.MinMatches", minMatches);
        conf.setBoolean("Mavuno.ContextToPattern.GlobalStats", harvestGlobalStats);
        conf.set("Mavuno.ContextToPattern.OutputPath", outputPath);
        new ContextToPattern(conf).run();

        // pattern to context
        conf.set("Mavuno.PatternToContext.PatternPath", outputPath + "/pattern-stats");
        conf.set("Mavuno.PatternToContext.CorpusPath", corpusPath);
        conf.set("Mavuno.PatternToContext.CorpusClass", corpusClass);
        conf.set("Mavuno.PatternToContext.ExtractorClass", extractorClass);
        conf.set("Mavuno.PatternToContext.ExtractorArgs", extractorArgs);
        conf.setInt("Mavuno.PatternToContext.MinMatches", minMatches);
        conf.setBoolean("Mavuno.PatternToContext.GlobalStats", harvestGlobalStats);
        conf.set("Mavuno.PatternToContext.OutputPath", outputPath);
        new PatternToContext(conf).run();

        return 0;
    }

    /**
     * @param args
     * @throws Exception 
     */
    public static void main(String[] args) throws Exception {
        Configuration conf = new Configuration();
        int res = ToolRunner.run(new ContextToContext(conf), args);
        System.exit(res);
    }

}