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.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.EList; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.gmt.modisco.java.NamedElement; import fr.inria.atlanmod.kyanos.benchmarks.cdo.EmbeddedCDOServer; import fr.inria.atlanmod.kyanos.benchmarks.queries.JavaQueries; import fr.inria.atlanmod.kyanos.benchmarks.util.MessageUtil; public class CdoQueryClassDeclarationAttributes { private static final Logger LOG = Logger.getLogger(CdoQueryClassDeclarationAttributes.class.getName()); private static final String IN = "input"; 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 CDO 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 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(inClassOpt); options.addOption(repoOpt); CommandLineParser parser = new PosixParser(); try { CommandLine commandLine = parser.parse(options, args); String repositoryDir = commandLine.getOptionValue(IN); String repositoryName = commandLine.getOptionValue(REPO_NAME); Class<?> inClazz = CdoQueryClassDeclarationAttributes.class.getClassLoader() .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS)); inClazz.getMethod("init").invoke(null); EmbeddedCDOServer server = new EmbeddedCDOServer(repositoryDir, repositoryName); try { server.run(); CDOSession session = server.openSession(); CDOTransaction transaction = session.openTransaction(); Resource resource = transaction.getRootResource(); { LOG.log(Level.INFO, "Start query"); long begin = System.currentTimeMillis(); HashMap<String, EList<NamedElement>> map = JavaQueries.getClassDeclarationAttributes(resource); long end = System.currentTimeMillis(); LOG.log(Level.INFO, "End query"); LOG.log(Level.INFO, MessageFormat.format("Query result contains {0} elements", map.entrySet().size())); LOG.log(Level.INFO, MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin))); } 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()); } } }