| /******************************************************************************* |
| * Copyright (c) 2009, 2013 E.D.Willink 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: |
| * E.D.Willink - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.examples.library.collection; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.examples.domain.library.AbstractSimpleBinaryOperation; |
| import org.eclipse.ocl.examples.domain.values.CollectionValue; |
| |
| /** |
| * CollectionIntersectionOperation realises the Collection::intersection() library operation. |
| */ |
| public class CollectionIntersectionOperation extends AbstractSimpleBinaryOperation |
| { |
| public static final @NonNull CollectionIntersectionOperation INSTANCE = new CollectionIntersectionOperation(); |
| |
| @Override |
| public @NonNull CollectionValue evaluate(@Nullable Object left, @Nullable Object right) { |
| CollectionValue leftCollectionValue = asCollectionValue(left); |
| CollectionValue rightCollectionValue = asCollectionValue(right); |
| return leftCollectionValue.intersection(rightCollectionValue); |
| } |
| } |