| /******************************************************************************* |
| * Copyright (c) 2010, 2016 Willink Transformations 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.pivot.library.string; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.pivot.library.AbstractSimpleBinaryOperation; |
| |
| /** |
| * StringLessThanEqualOperation realises the String::<=() library operation. |
| */ |
| public class StringLessThanEqualOperation extends AbstractSimpleBinaryOperation |
| { |
| public static final @NonNull StringLessThanEqualOperation INSTANCE = new StringLessThanEqualOperation(); |
| |
| @Override |
| public @NonNull Boolean evaluate(@Nullable Object left, @Nullable Object right) { |
| String leftString = asString(left); |
| String rightString = asString(right); |
| return leftString.compareTo(rightString) <= 0; |
| } |
| } |