iDynoOptimizer.MOEAFramework26.src.org.moeaframework.analysis.sensitivity.ResultFileMerger.java Source code

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Here is the source code for iDynoOptimizer.MOEAFramework26.src.org.moeaframework.analysis.sensitivity.ResultFileMerger.java

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/* Copyright 2009-2015 David Hadka
 *
 * This file is part of the MOEA Framework.
 *
 * The MOEA Framework is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * The MOEA Framework is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the MOEA Framework.  If not, see <http://www.gnu.org/licenses/>.
 */
package iDynoOptimizer.MOEAFramework26.src.org.moeaframework.analysis.sensitivity;

import java.io.File;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.OptionGroup;
import org.apache.commons.cli.Options;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.core.EpsilonBoxDominanceArchive;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.core.NondominatedPopulation;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.core.PopulationIO;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.core.Problem;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.core.spi.ProblemFactory;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.util.CommandLineUtility;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.util.TypedProperties;
import iDynoOptimizer.MOEAFramework26.src.org.moeaframework.util.io.FileUtils;

/**
 * Command line utility for merging the approximation sets stored in one or more
 * result files.
 */
public class ResultFileMerger extends CommandLineUtility {

    /**
     * Constructs the command line utility for merging the approximation sets 
     * stored in one or more result files.
     */
    public ResultFileMerger() {
        super();
    }

    @SuppressWarnings("static-access")
    @Override
    public Options getOptions() {
        Options options = super.getOptions();

        OptionGroup group = new OptionGroup();
        group.setRequired(true);
        group.addOption(OptionBuilder.withLongOpt("problem").hasArg().withArgName("name").create('b'));
        group.addOption(OptionBuilder.withLongOpt("dimension").hasArg().withArgName("number").create('d'));
        options.addOptionGroup(group);

        options.addOption(OptionBuilder.withLongOpt("epsilon").hasArg().withArgName("e1,e2,...").create('e'));
        options.addOption(
                OptionBuilder.withLongOpt("output").hasArg().withArgName("file").isRequired().create('o'));
        options.addOption(OptionBuilder.withLongOpt("resultFile").create('r'));

        return options;
    }

    @Override
    public void run(CommandLine commandLine) throws Exception {
        Problem problem = null;
        NondominatedPopulation mergedSet = null;
        ResultFileReader reader = null;

        // setup the merged non-dominated population
        if (commandLine.hasOption("epsilon")) {
            double[] epsilon = TypedProperties.withProperty("epsilon", commandLine.getOptionValue("epsilon"))
                    .getDoubleArray("epsilon", null);
            mergedSet = new EpsilonBoxDominanceArchive(epsilon);
        } else {
            mergedSet = new NondominatedPopulation();
        }

        try {
            // setup the problem
            if (commandLine.hasOption("problem")) {
                problem = ProblemFactory.getInstance().getProblem(commandLine.getOptionValue("problem"));
            } else {
                problem = new ProblemStub(Integer.parseInt(commandLine.getOptionValue("dimension")));
            }

            // read in result files
            for (String filename : commandLine.getArgs()) {
                try {
                    reader = new ResultFileReader(problem, new File(filename));

                    while (reader.hasNext()) {
                        mergedSet.addAll(reader.next().getPopulation());
                    }
                } finally {
                    if (reader != null) {
                        reader.close();
                    }
                }
            }

            File output = new File(commandLine.getOptionValue("output"));

            // output merged set
            if (commandLine.hasOption("resultFile")) {
                ResultFileWriter writer = null;

                //delete the file to avoid appending
                FileUtils.delete(output);

                try {
                    writer = new ResultFileWriter(problem, output);

                    writer.append(new ResultEntry(mergedSet));
                } finally {
                    if (writer != null) {
                        writer.close();
                    }
                }
            } else {
                PopulationIO.writeObjectives(output, mergedSet);
            }

        } finally {
            if (problem != null) {
                problem.close();
            }
        }
    }

    /**
     * Starts the command line utility for merging the approximation sets 
     * stored in one or more result files.
     * 
     * @param args the command line arguments
     * @throws Exception if an error occurred
     */
    public static void main(String[] args) throws Exception {
        new ResultFileMerger().start(args);
    }

}