| /******************************************************************************* |
| * Copyright (c) 2013 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: |
| * Cedric Dumoulin - cedric.dumoulin@lifl.fr |
| ******************************************************************************/ |
| package org.eclipse.papyrus.internal.infra.gmfdiag.layers.model.command; |
| |
| import org.eclipse.papyrus.internal.infra.gmfdiag.layers.model.LayersException; |
| import org.eclipse.papyrus.internal.infra.gmfdiag.layers.model.layers.LayersStack; |
| import org.eclipse.papyrus.internal.infra.gmfdiag.layers.model.layers.TypeInstance; |
| |
| |
| /** |
| * This command is used to compute a property value in {@link LayersStack}. |
| * The effective computation is done when the {@link #getValue()} method is called. |
| * |
| * |
| * @author cedric dumoulin |
| * |
| */ |
| public interface ComputePropertyValueCommand { |
| |
| |
| /** |
| * Execute the command and return the computed value. |
| * Compute the value of the Property, and return it. |
| * |
| * @return The computed value of the Property. |
| * @throws LayersException |
| * If something goes wrong |
| */ |
| public TypeInstance getCmdValue() throws LayersException; |
| |
| } |
