| /******************************************************************************* |
| * 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.AbstractSimpleTernaryOperation; |
| import org.eclipse.ocl.examples.domain.values.SequenceValue; |
| |
| /** |
| * SequenceSubSequenceOperation realises the OrderedSet::subSequence() library operation. |
| */ |
| public class SequenceSubSequenceOperation extends AbstractSimpleTernaryOperation |
| { |
| public static final @NonNull SequenceSubSequenceOperation INSTANCE = new SequenceSubSequenceOperation(); |
| |
| @Override |
| public @NonNull SequenceValue evaluate(@Nullable Object sourceValue, @Nullable Object firstArgumentValue, @Nullable Object secondArgumentValue) { |
| SequenceValue selfValue = asSequenceValue(sourceValue); |
| Integer fromValue = asInteger(firstArgumentValue); |
| Integer toValue = asInteger(secondArgumentValue); |
| return selfValue.subSequence(fromValue, toValue); |
| } |
| } |