layers/plugins/org.eclipse.papyrus.infra.gmfdiag.layers.ui/src/org/eclipse/papyrus/internal/infra/gmfdiag/layers/ui/queries/EmptyReferenceAndAttributeNotVisibleQuery.java

/*****************************************************************************
 * Copyright (c) 2014 CEA LIST.
 *
 *
 * 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:
 *  Patrick Tessier (CEA LIST) - Initial API and implementation
 /*****************************************************************************/
package org.eclipse.papyrus.internal.infra.gmfdiag.layers.ui.queries;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.emf.facet.efacet.core.IFacetManager;
import org.eclipse.papyrus.emf.facet.efacet.core.exception.DerivedTypedElementException;
import org.eclipse.papyrus.emf.facet.query.java.core.IJavaQuery2;
import org.eclipse.papyrus.emf.facet.query.java.core.IParameterValueList2;

public class EmptyReferenceAndAttributeNotVisibleQuery implements IJavaQuery2<EObject, Boolean> {
	public Boolean evaluate(final EObject context,
			final IParameterValueList2 parameterValues,
			final IFacetManager facetManager)
			throws DerivedTypedElementException {
		// ParameterValue parameterValue= (ParameterValue)parameterValues.getParameterValueByName("eStructuralFeature");
		// EStructuralFeature eStructuralFeature=(EStructuralFeature)parameterValue.getValue();
		// if(!(eStructuralFeature instanceof FacetReference)){
		// if( eStructuralFeature instanceof EAttribute){
		// return false;
		// }
		// System.err.println(context.eGet(eStructuralFeature));
		// if( eStructuralFeature instanceof EReference){
		// if( context.eGet(eStructuralFeature)==null){
		// return false;
		// }
		//
		// if( context.eGet(eStructuralFeature) instanceof Collection){
		// if(((Collection)context.eGet(eStructuralFeature)).size()==0){
		// return false;
		// }
		// }
		// }
		// }
		// return true;
		return false;
	}
}