Java tutorial
/******************************************************************************* * 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.text.MessageFormat; import java.util.Arrays; import java.util.HashMap; import java.util.Map; 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.cdo.session.CDOSession; import org.eclipse.emf.cdo.transaction.CDOTransaction; import org.eclipse.emf.common.util.URI; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.emf.ecore.resource.ResourceSet; import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl; import org.eclipse.emf.ecore.xmi.XMIResource; import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl; import fr.inria.atlanmod.kyanos.benchmarks.cdo.EmbeddedCDOServer; import fr.inria.atlanmod.kyanos.benchmarks.util.MessageUtil; public class CdoCreator { private static final Logger LOG = Logger.getLogger(CdoCreator.class.getName()); private static final String IN = "input"; private static final String OUT = "output"; private static final String REPO_NAME = "reponame"; private static final String EPACKAGE_CLASS = "epackage_class"; public static void main(String[] args) { Options options = new Options(); Option inputOpt = OptionBuilder.create(IN); inputOpt.setArgName("INPUT"); inputOpt.setDescription("Input file"); inputOpt.setArgs(1); inputOpt.setRequired(true); Option outputOpt = OptionBuilder.create(OUT); outputOpt.setArgName("OUTPUT"); outputOpt.setDescription("Output directory"); outputOpt.setArgs(1); outputOpt.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 repoOpt = OptionBuilder.create(REPO_NAME); repoOpt.setArgName("REPO_NAME"); repoOpt.setDescription("CDO Repository name"); repoOpt.setArgs(1); repoOpt.setRequired(true); options.addOption(inputOpt); options.addOption(outputOpt); options.addOption(inClassOpt); options.addOption(repoOpt); CommandLineParser parser = new PosixParser(); try { CommandLine commandLine = parser.parse(options, args); URI sourceUri = URI.createFileURI(commandLine.getOptionValue(IN)); String outputDir = commandLine.getOptionValue(OUT); String repositoryName = commandLine.getOptionValue(REPO_NAME); Class<?> inClazz = CdoCreator.class.getClassLoader() .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS)); inClazz.getMethod("init").invoke(null); ResourceSet resourceSet = new ResourceSetImpl(); resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("xmi", new XMIResourceFactoryImpl()); resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("zxmi", new XMIResourceFactoryImpl()); Resource sourceResource = resourceSet.createResource(sourceUri); Map<String, Object> loadOpts = new HashMap<String, Object>(); if ("zxmi".equals(sourceUri.fileExtension())) { loadOpts.put(XMIResource.OPTION_ZIP, Boolean.TRUE); } Runtime.getRuntime().gc(); long initialUsedMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory(); LOG.log(Level.INFO, MessageFormat.format("Used memory before loading: {0}", MessageUtil.byteCountToDisplaySize(initialUsedMemory))); LOG.log(Level.INFO, "Loading source resource"); sourceResource.load(loadOpts); LOG.log(Level.INFO, "Source resource loaded"); Runtime.getRuntime().gc(); long finalUsedMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory(); LOG.log(Level.INFO, MessageFormat.format("Used memory after loading: {0}", MessageUtil.byteCountToDisplaySize(finalUsedMemory))); LOG.log(Level.INFO, MessageFormat.format("Memory use increase: {0}", MessageUtil.byteCountToDisplaySize(finalUsedMemory - initialUsedMemory))); EmbeddedCDOServer server = new EmbeddedCDOServer(outputDir, repositoryName); try { server.run(); CDOSession session = server.openSession(); CDOTransaction transaction = session.openTransaction(); transaction.getRootResource().getContents().clear(); LOG.log(Level.INFO, "Start moving elements"); transaction.getRootResource().getContents().addAll(sourceResource.getContents()); LOG.log(Level.INFO, "End moving elements"); LOG.log(Level.INFO, "Commiting"); transaction.commit(); LOG.log(Level.INFO, "Commit done"); transaction.close(); session.close(); } finally { server.stop(); } } 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()); } } }