| /******************************************************************************* |
| * 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.values; |
| |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| |
| /** |
| * The OCLValue interface must be implemented by any datatype for which Java's Object.equals is inappropriate |
| * when OCL datatype equivalence is required. |
| */ |
| public interface OCLValue |
| { |
| /** |
| * Return true if this is an equivalent OCL value to thatValue. |
| * <p> |
| * Note that the caller must check that the argument is an OCLValue and should also |
| * check for the shortcut case that this == thatValue. Implementations are therefore |
| * wasting time if they re-implement the shortcut. |
| */ |
| boolean oclEquals(@NonNull OCLValue thatValue); |
| int oclHashCode(); |
| } |
