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.io.File; 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.common.util.EList; 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.gmt.modisco.java.NamedElement; import fr.inria.atlanmod.kyanos.benchmarks.queries.JavaQueries; import fr.inria.atlanmod.kyanos.benchmarks.util.MessageUtil; import fr.inria.atlanmod.neoemf.datastore.PersistenceBackendFactoryRegistry; import fr.inria.atlanmod.neoemf.map.datastore.MapPersistenceBackendFactory; import fr.inria.atlanmod.neoemf.map.util.NeoMapURI; import fr.inria.atlanmod.neoemf.resources.PersistentResourceFactory; import fr.inria.atlanmod.neoemf.resources.impl.PersistentResourceImpl; public class KyanosMapQueryClassDeclarationAttributes { private static final Logger LOG = Logger.getLogger(KyanosMapQueryClassDeclarationAttributes.class.getName()); private static final String IN = "input"; 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 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); options.addOption(inputOpt); options.addOption(inClassOpt); CommandLineParser parser = new PosixParser(); try { PersistenceBackendFactoryRegistry.getFactories().put(NeoMapURI.NEO_MAP_SCHEME, new MapPersistenceBackendFactory()); CommandLine commandLine = parser.parse(options, args); URI uri = NeoMapURI.createNeoMapURI(new File(commandLine.getOptionValue(IN))); Class<?> inClazz = KyanosMapQueryClassDeclarationAttributes.class.getClassLoader() .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS)); inClazz.getMethod("init").invoke(null); ResourceSet resourceSet = new ResourceSetImpl(); resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoMapURI.NEO_MAP_SCHEME, PersistentResourceFactory.eINSTANCE); Resource resource = resourceSet.createResource(uri); Map<String, Object> loadOpts = new HashMap<String, Object>(); resource.load(loadOpts); { LOG.log(Level.INFO, "Start query"); long begin = System.currentTimeMillis(); HashMap<String, EList<NamedElement>> list = JavaQueries.getClassDeclarationAttributes(resource); long end = System.currentTimeMillis(); LOG.log(Level.INFO, "End query"); LOG.log(Level.INFO, MessageFormat.format("Query result contains {0} elements", list.entrySet().size())); 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()); } } }