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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 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.Copy;
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 "master" of the requirement */
public class SetRequirementMasterQuery 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(final Class context, final 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 parameterValues, EditingDomain editingDomain) throws ModelQueryExecutionException {
CompositeCommand cmd = new CompositeCommand("Edit the derived attribute /master"); //$NON-NLS-1$
ModelQueryParameterValue object = parameterValues.get(0);
Object value = object.getValue();
Class newMaster = null;
if(UMLUtil.getStereotypeApplication(context, Requirement.class) != null) {
if(value != null) {
Assert.isTrue(value instanceof Class);
newMaster = (Class)value;
}
Assert.isTrue(UMLUtil.getStereotypeApplication(context, Requirement.class) != null);
EList<Dependency> dependencies = context.getClientDependencies();
//we destroy the unnecessary Copy
for(DirectedRelationship current : dependencies) {
if(UMLUtil.getStereotypeApplication(current, Copy.class) != null) {
EList<NamedElement> target = ((Dependency)current).getSuppliers();
//we assume that there is only one client
if(target.size() == 1) {
NamedElement client = target.get(0);
if(newMaster != client) {//we destroy this dependency
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(current);
DestroyElementRequest request = new DestroyElementRequest(current, false);
ICommand destroyCommand = provider.getEditCommand(request);
cmd.add(destroyCommand);
}
}
}
}
if(newMaster != null) {
if(UMLUtil.getStereotypeApplication(newMaster, Requirement.class) != null) {
//we create the Element Copy
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(context);
CreateElementRequest createRequest = new CreateRelationshipRequest(context.getNearestPackage(), context, newMaster, SysMLElementTypes.COPY);
cmd.add(provider.getEditCommand(createRequest));
} else {
cmd.add(new IdentityCommandWithNotification(Messages.SetRequirementTextQuery_AssignmentCantBeDone, NLS.bind(Messages.SetRequirementMasterQuery_CopyCantBeCreated, context.getName(), ((NamedElement)newMaster).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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