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/*******************************************************************************
* Copyright (c) 2015, 2016 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.qvtd.runtime.library.model;
import java.util.Collection;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.evaluation.Executor;
import org.eclipse.ocl.pivot.ids.CollectionTypeId;
import org.eclipse.ocl.pivot.ids.TypeId;
import org.eclipse.ocl.pivot.library.AbstractBinaryOperation;
import org.eclipse.ocl.pivot.messages.PivotMessages;
import org.eclipse.ocl.pivot.values.InvalidValueException;
import org.eclipse.ocl.pivot.values.SetValue;
import org.eclipse.qvtd.runtime.evaluation.TypedModelInstance;
/**
* ModelObjectsOfKindOperation realises the Model::objectsOfKind() library operation.
* @since 1.1
*/
public class ModelObjectsOfKindOperation extends AbstractBinaryOperation
{
public static final @NonNull ModelObjectsOfKindOperation INSTANCE = new ModelObjectsOfKindOperation();
@Override
public @NonNull SetValue evaluate(@NonNull Executor executor, @NonNull TypeId returnTypeId, @Nullable Object sourceVal, @Nullable Object typeVal) {
org.eclipse.ocl.pivot.Class type = asClass(typeVal);
if (!(sourceVal instanceof TypedModelInstance)) {
throw new InvalidValueException(PivotMessages.TypedValueRequired, "TypedModelInstance", getTypeName(sourceVal));
}
TypedModelInstance typedModelInstance = (TypedModelInstance)sourceVal;
Collection<@NonNull ? extends Object> results = typedModelInstance.getObjectsOfKind(type);
return createSetValue((CollectionTypeId)returnTypeId, results);
// return createSetValue((CollectionTypeId)returnTypeId, new ArrayList<@NonNull Object>(results));
}
}
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