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/*****************************************************************************
* Copyright (c) 2014, 2015 CEA LIST, Christian W. Damus, and others.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus - bug 436666
*****************************************************************************/
package org.eclipse.papyrus.migration.rsa.transformation;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.transaction.RollbackException;
import org.eclipse.emf.transaction.Transaction;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.impl.InternalTransactionalEditingDomain;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.services.labelprovider.service.LabelProviderService;
import org.eclipse.papyrus.infra.services.labelprovider.service.impl.LabelProviderServiceImpl;
import org.eclipse.papyrus.migration.rsa.Activator;
import org.eclipse.papyrus.uml.modelrepair.internal.stereotypes.IRepairAction;
import org.eclipse.papyrus.uml.modelrepair.internal.stereotypes.ZombieStereotypesDescriptor;
import org.eclipse.uml2.uml.Component;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.Profile;
import org.eclipse.uml2.uml.ProfileApplication;
import org.eclipse.uml2.uml.UMLPackage;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
/**
* Repairs stereotype applications in the specified model set, using the default action for each
*
* The given URI Map is used when the proper profile can't be found automatically
*
* @author Camille Letavernier
*
*/
public class RepairStereotypes {
private final ModelSet modelSet;
private final Collection<Resource> resourcesToRepair;
private final Map<URI, URI> profileMappings;
public RepairStereotypes(ModelSet modelSet, Collection<Resource> resourcesToRepair, Map<URI, URI> profileMappings) {
this.modelSet = modelSet;
this.resourcesToRepair = resourcesToRepair;
this.profileMappings = profileMappings;
}
/**
* Finds all zombie stereotypes, and repair them with the default action.
*
* If the profile can't be found automatically, the profileMappings map is used
*
* @throws InterruptedException
* @throws RollbackException
*/
public void execute() throws InterruptedException, RollbackException {
ZombieStereotypesDescriptor result = null;
LabelProviderService labelProvider = new LabelProviderServiceImpl();
try {
labelProvider.startService();
} catch (Exception ex) {
Activator.log.error(ex);
return;
}
Function<? super EPackage, Profile> profileSupplier = getProfileSupplier();
for (Resource resource : resourcesToRepair) {
Element rootElement = (Element) EcoreUtil.getObjectByType(resource.getContents(), UMLPackage.Literals.ELEMENT);
if (rootElement == null || rootElement.getNearestPackage() == null) {
continue;
}
Package rootPackage = rootElement.getNearestPackage();
Collection<ProfileApplication> profileApplications = Lists.newArrayList();
for (TreeIterator<EObject> iter = EcoreUtil.getAllProperContents(Collections.singleton(rootPackage), false); iter.hasNext();) {
EObject next = iter.next();
if (next instanceof ProfileApplication) {
profileApplications.add((ProfileApplication) next);
iter.prune();
} else if (!(next instanceof Package) && !(next instanceof Component)) {
// No sense looking for packages except in the things that can contain packages
iter.prune();
}
}
Set<EPackage> appliedDefinitions = getAppliedDefinitions(profileApplications);
ZombieStereotypesDescriptor zombies = new ZombieStereotypesDescriptor(resource, rootPackage, appliedDefinitions, profileSupplier, labelProvider);
for (EObject next : resource.getContents()) {
if (!(next instanceof Element)) {
zombies.analyze(next);
}
}
if (zombies.hasZombies()) {
result = zombies;
}
if (result == null) {
continue;
}
final ZombieStereotypesDescriptor descriptor = result;
final TransactionalEditingDomain domain = modelSet.getTransactionalEditingDomain();
InternalTransactionalEditingDomain internalDomain = (InternalTransactionalEditingDomain) domain;
Map<String, Object> options = new HashMap<String, Object>();
options.put(Transaction.OPTION_NO_UNDO, true);
options.put(Transaction.OPTION_NO_VALIDATION, true);
options.put(Transaction.OPTION_NO_TRIGGERS, true);
options.put(Transaction.OPTION_UNPROTECTED, true);
// We're in a batch environment, with no undo/redo support. Run a vanilla transaction to improve performances
Transaction fastTransaction = internalDomain.startTransaction(false, options);
try {
final BasicDiagnostic diagnostics = new BasicDiagnostic(Activator.PLUGIN_ID, 0, "Problems in repairing stereotypes", null);
for (IAdaptable packageToRepair : descriptor.getZombieSchemas()) {
IRepairAction action = descriptor.getRepairAction(packageToRepair, IRepairAction.Kind.APPLY_LATEST_PROFILE_DEFINITION);
descriptor.repair(packageToRepair, action, diagnostics, new NullProgressMonitor());
}
} finally {
fastTransaction.commit();
}
}
try {
labelProvider.disposeService();
} catch (ServiceException ex) {
Activator.log.error(ex);
}
}
/**
* Maps a zombie EPackage with an existing Profile. Called only if the Profile can't be resolved automatically
*
* @return
*/
protected Function<? super EPackage, Profile> getProfileSupplier() {
return new Function<EPackage, Profile>() {
// If we're here, we didn't find a perfect match for the profile. We need to make some guesses
@Override
public Profile apply(EPackage input) {
if (input.eResource() == null || input.eResource().getURI() == null) {
return null;
}
URI packageResourceURI = input.eResource().getURI();
URI targetResourceURI = profileMappings.get(packageResourceURI);
Profile result = null;
URI selectedProfileURI = targetResourceURI;
if (selectedProfileURI != null) {
result = EMFHelper.load(modelSet, selectedProfileURI, Profile.class);
// If there is a single Profile, there is no ambiguity. Just return it
if ((result != null) && !hasNestedProfiles(result)) {
return result;
}
// TODO: handle the case with nested profiles (We already opened a popup dialog earlier; wouldn't be a good idea to pop another dialog here)
}
return null;
}
boolean hasNestedProfiles(Profile profile) {
return Iterators.any(profile.eAllContents(), Predicates.instanceOf(Profile.class));
}
};
}
protected Set<EPackage> getAppliedDefinitions(Iterable<? extends ProfileApplication> profileApplications) {
Set<EPackage> result = Sets.newHashSet();
for (ProfileApplication next : profileApplications) {
EPackage definition = next.getAppliedDefinition();
if ((definition != null) && !definition.eIsProxy()) {
result.add(definition);
}
}
return result;
}
}
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