fr.inria.atlanmod.kyanos.benchmarks.KyanosGraphTraverser.java Source code

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Here is the source code for fr.inria.atlanmod.kyanos.benchmarks.KyanosGraphTraverser.java

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/*******************************************************************************
 * Copyright (c) 2013 Atlanmod INRIA LINA Mines Nantes
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Atlanmod INRIA LINA Mines Nantes - initial API and implementation
 *******************************************************************************/
package fr.inria.atlanmod.kyanos.benchmarks;

import java.io.File;
import java.io.FileInputStream;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;

import fr.inria.atlanmod.kyanos.benchmarks.util.MessageUtil;
import fr.inria.atlanmod.neoemf.datastore.PersistenceBackendFactoryRegistry;
import fr.inria.atlanmod.neoemf.graph.blueprints.datastore.BlueprintsPersistenceBackendFactory;
import fr.inria.atlanmod.neoemf.graph.blueprints.util.NeoBlueprintsURI;
import fr.inria.atlanmod.neoemf.resources.PersistentResourceFactory;
import fr.inria.atlanmod.neoemf.resources.impl.PersistentResourceImpl;

public class KyanosGraphTraverser {

    private static final Logger LOG = Logger.getLogger(KyanosGraphTraverser.class.getName());

    private static final String IN = "input";

    private static final String EPACKAGE_CLASS = "epackage_class";

    private static final String OPTIONS_FILE = "options_file";

    public static void main(String[] args) {
        Options options = new Options();

        Option inputOpt = OptionBuilder.create(IN);
        inputOpt.setArgName("INPUT");
        inputOpt.setDescription("Input Kyanos resource directory");
        inputOpt.setArgs(1);
        inputOpt.setRequired(true);

        Option inClassOpt = OptionBuilder.create(EPACKAGE_CLASS);
        inClassOpt.setArgName("CLASS");
        inClassOpt.setDescription("FQN of EPackage implementation class");
        inClassOpt.setArgs(1);
        inClassOpt.setRequired(true);

        Option optFileOpt = OptionBuilder.create(OPTIONS_FILE);
        optFileOpt.setArgName("FILE");
        optFileOpt.setDescription("Properties file holding the options to be used in the Kyanos Resource");
        optFileOpt.setArgs(1);

        options.addOption(inputOpt);
        options.addOption(inClassOpt);
        options.addOption(optFileOpt);

        CommandLineParser parser = new PosixParser();

        try {
            PersistenceBackendFactoryRegistry.getFactories().put(NeoBlueprintsURI.NEO_GRAPH_SCHEME,
                    new BlueprintsPersistenceBackendFactory());

            CommandLine commandLine = parser.parse(options, args);

            URI uri = NeoBlueprintsURI.createNeoGraphURI(new File(commandLine.getOptionValue(IN)));

            Class<?> inClazz = KyanosGraphTraverser.class.getClassLoader()
                    .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
            inClazz.getMethod("init").invoke(null);

            ResourceSet resourceSet = new ResourceSetImpl();
            resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap()
                    .put(NeoBlueprintsURI.NEO_GRAPH_SCHEME, PersistentResourceFactory.eINSTANCE);

            Resource resource = resourceSet.createResource(uri);

            Map<String, Object> loadOpts = new HashMap<String, Object>();

            if (commandLine.hasOption(OPTIONS_FILE)) {
                Properties properties = new Properties();
                properties.load(new FileInputStream(new File(commandLine.getOptionValue(OPTIONS_FILE))));
                for (final Entry<Object, Object> entry : properties.entrySet()) {
                    loadOpts.put((String) entry.getKey(), (String) entry.getValue());
                }
            }
            resource.load(loadOpts);

            LOG.log(Level.INFO, "Start counting");
            int count = 0;
            long begin = System.currentTimeMillis();
            for (Iterator<EObject> iterator = resource.getAllContents(); iterator.hasNext(); iterator
                    .next(), count++)
                ;
            long end = System.currentTimeMillis();
            LOG.log(Level.INFO, "End counting");
            LOG.log(Level.INFO, MessageFormat.format("Resource {0} contains {1} elements", uri, count));
            LOG.log(Level.INFO, MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));

            if (resource instanceof PersistentResourceImpl) {
                PersistentResourceImpl.shutdownWithoutUnload((PersistentResourceImpl) resource);
            } else {
                resource.unload();
            }

        } catch (ParseException e) {
            MessageUtil.showError(e.toString());
            MessageUtil.showError("Current arguments: " + Arrays.toString(args));
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("java -jar <this-file.jar>", options, true);
        } catch (Throwable e) {
            MessageUtil.showError(e.toString());
        }
    }

}