| /******************************************************************************* |
| * Copyright (c) 2010, 2018 Willink Transformations and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * C.Damus - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.ecore.delegate; |
| |
| import java.util.Collection; |
| |
| import org.eclipse.emf.common.util.BasicEList; |
| import org.eclipse.ocl.ecore.OCL; |
| |
| /** |
| * An object that converts values according to their declared multiplicities, |
| * as collections or not. |
| * |
| * @since 3.0 |
| */ |
| interface ValueConverter { |
| |
| ValueConverter VERBATIM = new ValueConverter() { |
| |
| public Object convert(OCL ocl, Object value) { |
| return value; |
| } |
| }; |
| |
| ValueConverter LIST = new ValueConverter() { |
| |
| public Object convert(OCL ocl, Object value) { |
| Collection<?> collection = (Collection<?>) value; |
| return new BasicEList.UnmodifiableEList<Object>(collection |
| .size(), collection.toArray()); |
| } |
| }; |
| |
| Object convert(OCL ocl, Object value); |
| } |