/* | |
* Copyright (c) 2009 Mia-Software. | |
* 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: | |
* Gabriel Barbier (Mia-Software) - initial API and implementation | |
*/ | |
package org.eclipse.gmt.modisco.examples.modelplex; | |
import java.util.HashSet; | |
import java.util.Set; | |
import org.eclipse.emf.common.util.BasicEList; | |
import org.eclipse.emf.common.util.EList; | |
import org.eclipse.emf.common.util.TreeIterator; | |
import org.eclipse.emf.ecore.EObject; | |
import org.eclipse.gmt.modisco.infra.query.core.exception.ModelQueryExecutionException; | |
import org.eclipse.gmt.modisco.infra.query.core.java.IJavaModelQuery; | |
import org.eclipse.gmt.modisco.infra.query.core.java.ParameterValueList; | |
import org.eclipse.gmt.modisco.java.Type; | |
import org.eclipse.gmt.modisco.java.TypeAccess; | |
/** | |
* @author Gabriel Barbier | |
* | |
*/ | |
public class GetUsedTypes implements IJavaModelQuery<Type, EList<Type>> { | |
public final Set<Type> getUsedTypes(final Type contextType) { | |
Set<Type> result = new HashSet<Type>(); | |
TreeIterator<EObject> content = contextType.eResource().getAllContents(); | |
while (content.hasNext()) { | |
EObject eObject = content.next(); | |
if (eObject instanceof Type) { | |
Type currentType = (Type) eObject; | |
for (TypeAccess typeAccess : currentType.getUsagesInTypeAccess()) { | |
Type containerType = this.getContainerType(typeAccess); | |
if (contextType == containerType) { | |
result.add(currentType); | |
} | |
} | |
} | |
} | |
return result; | |
} | |
private final Type getContainerType(final EObject source) { | |
Type result = null; | |
if (source.eContainer() instanceof Type) { | |
result = (Type) source.eContainer(); | |
} else { | |
result = this.getContainerType(source.eContainer()); | |
} | |
return result; | |
} | |
public EList<Type> evaluate(final Type context, | |
final ParameterValueList parameterValues) | |
throws ModelQueryExecutionException { | |
EList<Type> result = new BasicEList<Type>(); | |
for (Type subtype : this.getUsedTypes(context)) { | |
result.add(subtype); | |
} | |
return result; | |
} | |
} |