/*******************************************************************************
* 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.classifier;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.evaluation.Evaluator;
import org.eclipse.ocl.pivot.evaluation.Executor;
import org.eclipse.ocl.pivot.evaluation.ModelManager;
import org.eclipse.ocl.pivot.ids.CollectionTypeId;
import org.eclipse.ocl.pivot.ids.TypeId;
import org.eclipse.ocl.pivot.library.AbstractUnaryOperation;
import org.eclipse.ocl.pivot.values.SetValue;
/**
* ClassifierAllInstancesOperation realises the Classifier::allInstances() library operation.
*/
public class ClassifierAllInstancesOperation extends AbstractUnaryOperation
{
public static final @NonNull ClassifierAllInstancesOperation INSTANCE = new ClassifierAllInstancesOperation();
/** @deprecated use Executor */
@Deprecated
@Override
public @NonNull SetValue evaluate(@NonNull Evaluator evaluator, @NonNull TypeId returnTypeId, @Nullable Object sourceVal) {
return evaluate(getExecutor(evaluator), returnTypeId, sourceVal);
}
/**
* @since 1.1
*/
@Override
public @NonNull SetValue evaluate(@NonNull Executor executor, @NonNull TypeId returnTypeId, @Nullable Object sourceVal) {
org.eclipse.ocl.pivot.Class type = asClass(sourceVal);
// if (type instanceof DomainMetaclass) {
// type = ((DomainMetaclass)type).getInstanceType();
// }
ModelManager modelManager = executor.getModelManager();
Set<Object> results = new HashSet<Object>();
Set<?> instances = modelManager.get(type);
for (Object instance : instances) {
if (instance != null){
results.add(executor.getIdResolver().boxedValueOf(instance)); // FIXME Move to model manager
}
}
return createSetValue((CollectionTypeId)returnTypeId, results);
}
}