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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
*
* 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.sysml.facets.query.value.setter;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.facet.infra.query.core.exception.ModelQueryExecutionException;
import org.eclipse.emf.facet.infra.query.core.java.IJavaModelQueryWithEditingDomain;
import org.eclipse.emf.facet.infra.query.core.java.ParameterValueList;
import org.eclipse.emf.facet.infra.query.runtime.ModelQueryParameterValue;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.gmf.diagram.common.commands.IdentityCommandWithNotification;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.infra.widgets.toolbox.notification.Type;
import org.eclipse.papyrus.sysml.facets.messages.Messages;
import org.eclipse.papyrus.sysml.requirements.DeriveReqt;
import org.eclipse.papyrus.sysml.requirements.Requirement;
import org.eclipse.papyrus.sysml.service.types.element.SysMLElementTypes;
import org.eclipse.uml2.uml.Class;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.DirectedRelationship;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.util.UMLUtil;
/** Query to set the derived attribute "derived" of the requirement */
public class SetRequirementDerivedQuery implements IJavaModelQueryWithEditingDomain<Class, EObject> {
/**
*
* @see org.eclipse.emf.facet.infra.query.core.java.IJavaModelQuery#evaluate(org.eclipse.emf.ecore.EObject,
* org.eclipse.emf.facet.infra.query.core.java.ParameterValueList)
*
* @param context
* @param parameterValues
* @return
* @throws ModelQueryExecutionException
*/
public EObject evaluate(Class context, ParameterValueList parameterValues) throws ModelQueryExecutionException {
//nothing to do
return null;
}
/**
*
* @see org.eclipse.emf.facet.infra.query.core.java.IJavaModelQueryWithEditingDomain#evaluate(org.eclipse.emf.ecore.EObject,
* org.eclipse.emf.facet.infra.query.core.java.ParameterValueList, org.eclipse.emf.edit.domain.EditingDomain)
*
* @param context
* @param parameterValues
* @param editingDomain
* @return
* @throws ModelQueryExecutionException
*/
public EObject evaluate(Class context, ParameterValueList parameter, EditingDomain editingDomain) throws ModelQueryExecutionException {
CompositeCommand cmd = new CompositeCommand("Edit the feature /Derived"); //$NON-NLS-1$
if(UMLUtil.getStereotypeApplication(context, Requirement.class) != null) {
Requirement req = UMLUtil.getStereotypeApplication(context, Requirement.class);
EList<DirectedRelationship> dependencies = context.getTargetDirectedRelationships();
EList<Requirement> currentDerived = req.getDerived();
List<Class> currentDerived_base_Class = new ArrayList<Class>();
for(Requirement currentReq : currentDerived) {
currentDerived_base_Class.add(currentReq.getBase_Class());
}
ModelQueryParameterValue object = parameter.get(0);
Object values = object.getValue();
Assert.isTrue(values instanceof List<?>);
List<?> newDerivedFrom = (List<?>)values;
//we destroy the unnecessary Derive_Reqt
for(DirectedRelationship current : dependencies) {
if(UMLUtil.getStereotypeApplication(current, DeriveReqt.class) != null) {
EList<NamedElement> clients = ((Dependency)current).getClients();
//we assume that there is only one client
if(clients.size() == 1) {
NamedElement supplier = clients.get(0);
if(!newDerivedFrom.contains(supplier)) {//we destroy this dependencies
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(current);
DestroyElementRequest request = new DestroyElementRequest(current, false);
ICommand desroyCommand = provider.getEditCommand(request);
cmd.add(desroyCommand);
}
}
}
}
for(Object current : (List<?>)values) {
//we create the derive_reqt only if it doesn't exist
if(!currentDerived_base_Class.contains(current)) {
if(UMLUtil.getStereotypeApplication(context, Requirement.class) != null) {
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(context);
CreateElementRequest createRequest = new CreateRelationshipRequest(context.getNearestPackage(), (EObject)current, context, SysMLElementTypes.DERIVE_REQT);
cmd.add(provider.getEditCommand(createRequest));
} else {
cmd.add(new IdentityCommandWithNotification(Messages.SetRequirementTextQuery_AssignmentCantBeDone, NLS.bind(Messages.SetRequirementDerivedQuery_DeriveReqtCanBeCreated, context.getName(), ((NamedElement)current).getName()), Type.ERROR));
}
}
}
} else {
cmd.add(new IdentityCommandWithNotification(Messages.SetRequirementTextQuery_AssignmentCantBeDone, Messages.SetRequirementTextQuery_NotASysMLRequirement, Type.ERROR));
}
editingDomain.getCommandStack().execute(new GMFtoEMFCommandWrapper(cmd));
return null;
}
}
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