| /******************************************************************************* |
| * 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; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.pivot.OperationCallExp; |
| import org.eclipse.ocl.pivot.TypedElement; |
| import org.eclipse.ocl.pivot.evaluation.Evaluator; |
| import org.eclipse.ocl.pivot.evaluation.Executor; |
| |
| /** |
| */ |
| public interface LibraryOperation extends LibraryFeature |
| { |
| /** |
| * @since 1.1 |
| */ |
| public interface LibraryOperationExtension extends LibraryOperation |
| { |
| /** |
| * Return the result of evaluating callExp and its arguments upon sourceValue within the environment |
| * provided by evaluator. An invalid return may be indicated by throwing an exception, |
| * returning Java null, or returning OCL invalid. |
| * <p> |
| * This invocation evaluates the arguments as required. Derived implementations may implement short circuit processing |
| * to skip redundant evaluation of later arguments. |
| * <p> |
| * Invocations may bypass dispatch if a derived LibraryOperation such as LibrarySimpleBinaryOperation |
| * makes its internal evaluate signature available for use after a type test and cast. |
| */ |
| @Nullable Object dispatch(@NonNull Executor executor, @NonNull OperationCallExp callExp, @Nullable Object sourceValue); |
| } |
| |
| /** |
| * @since 1.3 |
| */ |
| public interface LibraryOperationExtension2 extends LibraryOperationExtension |
| { |
| /** |
| * Return the cached evaluation from sourceAndArgumentValues, using newInstance(sourceAndArgumentValues) to |
| * create a new evaluation instance if necessary. |
| */ |
| @Nullable Object basicEvaluate(@NonNull Executor executor, @NonNull TypedElement caller, @Nullable Object @NonNull [] boxedSourceAndArgumentValues); |
| |
| @Nullable Object evaluate(@NonNull Executor executor, @NonNull TypedElement caller, @Nullable Object @NonNull [] boxedSourceAndArgumentValues); |
| } |
| |
| /** @deprecated use Executor */ |
| @Deprecated |
| @Nullable Object dispatch(@NonNull Evaluator evaluator, @NonNull OperationCallExp callExp, @Nullable Object sourceValue); |
| } |