| /******************************************************************************* |
| * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * BMW Car IT - Initial API and implementation |
| * Technische Universitaet Muenchen - Major refactoring and extension |
| *******************************************************************************/ |
| package org.eclipse.emf.edapt.tests.util; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Random; |
| |
| 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.edapt.internal.common.ResourceUtils; |
| import org.eclipse.emf.edapt.internal.common.URIUtils; |
| import org.eclipse.emf.edapt.internal.migration.internal.Persistency; |
| import org.eclipse.emf.edapt.spi.migration.Metamodel; |
| |
| /** |
| * Split containment across different resources |
| * |
| * @author herrmama |
| * @author $Author$ |
| * @version $Rev$ |
| * @levd.rating RED Rev: |
| */ |
| @SuppressWarnings("restriction") |
| public class SplitContainment { |
| |
| /** |
| * Test split across different resources |
| */ |
| public static void main(String[] args) throws IOException { |
| |
| final URI contextURI = URIUtils.getURI("data/node"); //$NON-NLS-1$ |
| final URI metamodelURI = contextURI.appendSegment("node.ecore"); //$NON-NLS-1$ |
| final URI modelURI = contextURI.appendSegment("node.xmi"); //$NON-NLS-1$ |
| final URI targetURI = contextURI.appendSegment("split.xmi"); //$NON-NLS-1$ |
| |
| split(metamodelURI, modelURI, targetURI, 12); |
| } |
| |
| /** |
| * Split containment across n+1 resources where targetURI denotes the root resource |
| */ |
| private static void split(URI metamodelURI, URI sourceURI, URI targetURI, int n) throws IOException { |
| |
| final Metamodel metamodel = Persistency.loadMetamodel(metamodelURI); |
| |
| final ResourceSet resourceSet = ResourceUtils.loadResourceSet(sourceURI, metamodel.getEPackages()); |
| |
| final Resource mainResource = resourceSet.getResources().get(0); |
| mainResource.setURI(targetURI); |
| |
| final List<EObject> elements = getAllContents(mainResource); |
| elements.removeAll(mainResource.getContents()); |
| |
| final Random random = new Random(); |
| for (int i = 1; i <= n; i++) { |
| final int index = random.nextInt(elements.size()); |
| final EObject element = elements.remove(index); |
| final String name = targetURI.trimFileExtension().lastSegment() + i; |
| final String extension = targetURI.fileExtension(); |
| final URI uri = targetURI.trimSegments(1).appendSegment(name).appendFileExtension(extension); |
| final Resource resource = resourceSet.createResource(uri); |
| resource.getContents().add(element); |
| } |
| |
| ResourceUtils.saveResourceSet(resourceSet, null); |
| } |
| |
| /** |
| * Get all the contents of a resource |
| */ |
| private static List<EObject> getAllContents(Resource resource) { |
| final List<EObject> elements = new ArrayList<EObject>(); |
| |
| for (final Iterator<EObject> i = resource.getAllContents(); i.hasNext();) { |
| elements.add(i.next()); |
| } |
| return elements; |
| } |
| } |