/*****************************************************************************
* Copyright (c) 2010 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:
* Saadia Dhouib saadia.dhouib@cea.fr
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.communication.edit.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.papyrus.uml.diagram.communication.edit.policies.UMLBaseItemSemanticEditPolicy;
import org.eclipse.uml2.uml.DurationObservation;
import org.eclipse.uml2.uml.NamedElement;
/**
* @generated
*/
public class ConnectorDurationObservationCreateCommand extends EditElementCommand {
/**
* @generated
*/
protected final EObject source;
/**
* @generated
*/
protected final EObject target;
/**
* @generated
*/
public ConnectorDurationObservationCreateCommand(CreateRelationshipRequest request, EObject source, EObject target) {
super(request.getLabel(), null, request);
this.source = source;
this.target = target;
}
/**
* @generated
*/
public boolean canExecute() {
if(source == null && target == null) {
return false;
}
if(source != null && false == source instanceof DurationObservation) {
return false;
}
if(target != null && false == target instanceof NamedElement) {
return false;
}
if(getSource() == null) {
return true; // link creation is in progress; source is not defined yet
}
// target may be null here but it's possible to check constraint
return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canCreateDurationObservationEvent_8012(getSource(), getTarget());
}
/**
* @generated
*/
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
if(!canExecute()) {
throw new ExecutionException("Invalid arguments in create link command"); //$NON-NLS-1$
}
if(getSource() != null && getTarget() != null) {
getSource().getEvents().add(getTarget());
}
return CommandResult.newOKCommandResult();
}
/**
* @generated
*/
protected void setElementToEdit(EObject element) {
throw new UnsupportedOperationException();
}
/**
* @generated
*/
protected DurationObservation getSource() {
return (DurationObservation)source;
}
/**
* @generated
*/
protected NamedElement getTarget() {
return (NamedElement)target;
}
}