/*******************************************************************************
* Copyright (c) 2010, 2014 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.oclany;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.ids.TypeId;
import org.eclipse.ocl.pivot.messages.PivotMessages;
import org.eclipse.ocl.pivot.values.InvalidValueException;
/**
* OclAnyNotEqualOperation realises the OCLAny::<>() library operation and
* regular derived implementations since the Value classes exhibit
* OCL value semantics.
*/
public class OclAnyNotEqualOperation extends OclAnyEqualOperation
{
public static final @NonNull OclAnyNotEqualOperation INSTANCE = new OclAnyNotEqualOperation();
@Override
public @NonNull Boolean evaluate(@Nullable Object left, @Nullable Object right) {
Object equals = super.evaluate(left, right);
if (equals == Boolean.FALSE) {
return TRUE_VALUE;
}
else if (equals == Boolean.TRUE) {
return FALSE_VALUE;
}
else if (equals instanceof InvalidValueException) {
throw (InvalidValueException)equals;
}
else {
throw new InvalidValueException(PivotMessages.TypedValueRequired, TypeId.BOOLEAN_NAME, getTypeName(right));
}
}
}