plugins/org.eclipse.qvtd.pivot.qvtcore/src/org/eclipse/qvtd/pivot/qvtcore/attributes/MappingAttribution.java

/*******************************************************************************
 * Copyright (c) 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.qvtd.pivot.qvtcore.attributes;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.pivot.internal.scoping.AbstractAttribution;
import org.eclipse.ocl.pivot.internal.scoping.EnvironmentView;
import org.eclipse.ocl.pivot.internal.scoping.ScopeView;
import org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage;

public class MappingAttribution extends AbstractAttribution
{
	public static final MappingAttribution INSTANCE = new MappingAttribution();

	@Override
	public ScopeView computeLookup(@NonNull EObject target, @NonNull EnvironmentView environmentView, @NonNull ScopeView scopeView) {
		if ((environmentView.accepts(QVTbasePackage.Literals.TRANSFORMATION)) && (target.eContainer() == null)) {
			environmentView.addRootPackages();
			return null;
		}
		return super.computeLookup(target, environmentView, scopeView);
	}
}