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.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.List; 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.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 org.eclipse.emf.ecore.xmi.XMIResource; import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl; 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.resources.MapResourceOptions; import fr.inria.atlanmod.neoemf.map.util.NeoMapURI; import fr.inria.atlanmod.neoemf.resources.PersistentResourceFactory; import fr.inria.atlanmod.neoemf.resources.PersistentResourceOptions.StoreOption; import fr.inria.atlanmod.neoemf.resources.impl.PersistentResourceImpl; public class KyanosMapCreator { private static final Logger LOG = Logger.getLogger(KyanosMapCreator.class.getName()); private static final String IN = "input"; private static final String OUT = "output"; 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); options.addOption(inputOpt); options.addOption(outputOpt); options.addOption(inClassOpt); CommandLineParser parser = new PosixParser(); try { PersistenceBackendFactoryRegistry.getFactories().put(NeoMapURI.NEO_MAP_SCHEME, new MapPersistenceBackendFactory()); CommandLine commandLine = parser.parse(options, args); URI sourceUri = URI.createFileURI(commandLine.getOptionValue(IN)); URI targetUri = NeoMapURI.createNeoMapURI(new File(commandLine.getOptionValue(OUT))); Class<?> inClazz = KyanosMapCreator.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()); resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoMapURI.NEO_MAP_SCHEME, PersistentResourceFactory.eINSTANCE); 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))); Resource targetResource = resourceSet.createResource(targetUri); Map<String, Object> saveOpts = new HashMap<String, Object>(); List<StoreOption> storeOptions = new ArrayList<StoreOption>(); storeOptions.add(MapResourceOptions.EStoreMapOption.AUTOCOMMIT); saveOpts.put(MapResourceOptions.STORE_OPTIONS, storeOptions); targetResource.save(saveOpts); LOG.log(Level.INFO, "Start moving elements"); targetResource.getContents().clear(); targetResource.getContents().addAll(sourceResource.getContents()); LOG.log(Level.INFO, "End moving elements"); LOG.log(Level.INFO, "Start saving"); targetResource.save(saveOpts); LOG.log(Level.INFO, "Saved"); if (targetResource instanceof PersistentResourceImpl) { PersistentResourceImpl.shutdownWithoutUnload((PersistentResourceImpl) targetResource); } else { targetResource.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()); e.printStackTrace(); } } }