| /******************************************************************************* |
| * 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: |
| * E.D.Willink - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.pivot.library.collection; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.pivot.CallExp; |
| import org.eclipse.ocl.pivot.Type; |
| import org.eclipse.ocl.pivot.library.AbstractSimpleBinaryOperation; |
| import org.eclipse.ocl.pivot.utilities.EnvironmentFactory; |
| import org.eclipse.ocl.pivot.values.CollectionValue; |
| |
| /** |
| * CollectionExcludingOperation realises the Collection::excluding() library operation. |
| */ |
| public class CollectionExcludingOperation extends AbstractSimpleBinaryOperation |
| { |
| public static final @NonNull CollectionExcludingOperation INSTANCE = new CollectionExcludingOperation(); |
| |
| @Override |
| public @NonNull CollectionValue evaluate(@Nullable Object left, @Nullable Object right) { |
| CollectionValue leftCollectionValue = asCollectionValue(left); |
| return leftCollectionValue.excluding(right); |
| } |
| |
| /** |
| * Special case processing for return types based on the source collection element types. |
| * |
| * @since 1.18 |
| */ |
| @Override |
| public @Nullable Type resolveReturnType(@NonNull EnvironmentFactory environmentFactory, @NonNull CallExp callExp, @Nullable Type returnType) { |
| return resolveCollectionSourceReturnType(environmentFactory, callExp, returnType); |
| } |
| } |