| /****************************************************************************** |
| * Copyright (c) 2005, 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.emf.type.core.commands; |
| |
| import org.eclipse.emf.ecore.EObject; |
| |
| import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest; |
| import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest; |
| |
| /** |
| * Command to create a new relationship element using the EMF action protocol. |
| * <P> |
| * If the containment feature is not specified in the request, the first feature |
| * in the container that can contain the new kind of relationship will be used. |
| * |
| * @author ldamus |
| */ |
| public class CreateRelationshipCommand |
| extends CreateElementCommand { |
| |
| /** |
| * The relationship source. |
| */ |
| private final EObject source; |
| |
| /** |
| * The relationship target. |
| */ |
| private final EObject target; |
| |
| /** |
| * Constructs a new element creation command for the <code>request</code>. |
| * |
| * @param request |
| * the element creation request |
| */ |
| public CreateRelationshipCommand(CreateRelationshipRequest request) { |
| |
| super(request); |
| |
| this.source = request.getSource(); |
| this.target = request.getTarget(); |
| } |
| |
| /** |
| * Gets the relationship source. |
| * |
| * @return the relationship source |
| */ |
| public EObject getSource() { |
| return source; |
| } |
| |
| /** |
| * Gets the relationship target. |
| * |
| * @return the relationship target |
| */ |
| public EObject getTarget() { |
| return target; |
| } |
| |
| protected ConfigureRequest createConfigureRequest() { |
| |
| ConfigureRequest result = super.createConfigureRequest(); |
| result.setParameter(CreateRelationshipRequest.SOURCE, getSource()); |
| result.setParameter(CreateRelationshipRequest.TARGET, getTarget()); |
| return result; |
| } |
| |
| public boolean canExecute() { |
| return getSource() != null && getTarget() != null |
| && super.canExecute(); |
| } |
| } |