/*
* Copyright (c) 2012-2016 Marsha Chechik, Alessio Di Sandro, Michalis Famelis,
* Rick Salay.
* 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:
* Alessio Di Sandro - Implementation.
*/
package edu.toronto.cs.se.mmint.mid.relationship.diagram.edit.policies;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
/**
* The semantic edit policy for model references.
*
* @author Alessio Di Sandro
*
*/
public class ModelEndpointReferenceSuperSemanticEditPolicy extends ModelEndpointReference2ItemSemanticEditPolicy {
/**
* Gets the command to delete a model reference.
*
* @param request
* The request.
* @return The executable command.
*/
@Override
protected Command getDestroyElementCommand(DestroyElementRequest req) {
return UnexecutableCommand.INSTANCE;
}
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
return null;
}
@Override
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
return null;
}
@Override
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
return null;
}
@Override
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
return UnexecutableCommand.INSTANCE;
}
}