examples/org.eclipse.ocl.examples.library/src/org/eclipse/ocl/examples/library/collection/OrderedSetSubOrderedSetOperation.java

/*******************************************************************************
 * 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.OrderedSetValue;

/**
 * OrderedSetSubOrderedSetOperation realises the OrderedSet::subOrderedSet() library operation.
 */
public class OrderedSetSubOrderedSetOperation extends AbstractSimpleTernaryOperation
{
	public static final @NonNull OrderedSetSubOrderedSetOperation INSTANCE = new OrderedSetSubOrderedSetOperation();

	@Override
	public @NonNull OrderedSetValue evaluate(@Nullable Object sourceValue, @Nullable Object firstArgumentValue, @Nullable Object secondArgumentValue) {
		OrderedSetValue selfValue = asOrderedSetValue(sourceValue);
		Integer fromValue = asInteger(firstArgumentValue);
		Integer toValue = asInteger(secondArgumentValue);
		return selfValue.subOrderedSet(fromValue, toValue);
	}
}