MergeRule.java

/*******************************************************************************
 * Copyright (c) 2013 INRIA.
 * 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:
 * Cau� Clasen - initial API and implementation
 *******************************************************************************/

package fr.inria.atlanmod.emfviews.rules;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;

import fr.inria.atlanmod.emfviews.core.View;
import fr.inria.atlanmod.emfviews.core.ViewOperationException;
import fr.inria.atlanmod.emfviews.elements.MergeElementImpl;

public class MergeRule extends TranslationRule {

	public static TranslationRule INSTANCE = new MergeRule();

	public Object get(InternalEObject object, EStructuralFeature feature,
			int index) {

		return null;
	}

	@Override
	public Object set(InternalEObject object, EStructuralFeature feature,
			int index, Object value) {

		return null;
	}

	@Override
	public boolean isSet(InternalEObject object, EStructuralFeature feature) {

		return false;
	}

	@Override
	public void unset(InternalEObject object, EStructuralFeature feature) {

	}

	@Override
	public int hashCode(InternalEObject object, EStructuralFeature feature) {

		throw new ViewOperationException(
				"hashCode not implemented for merged elements");
	}

	@Override
	public InternalEObject getContainer(InternalEObject object) {
		View vModel = (View) object.eResource();
		MergeElementImpl mergeElement = (MergeElementImpl) object;
		EObject cElement = mergeElement.getPreferableElement();
		EObject cContainer = cElement.eContainer();
		EObject vContainer = vModel.translateToVirtualElement(cContainer);
		return (InternalEObject) vContainer;
	}

	public EStructuralFeature getContainingFeature(InternalEObject object) {
		View vModel = (View) object.eResource();
		MergeElementImpl mergeElement = (MergeElementImpl) object;
		EObject cElement = mergeElement.getPreferableElement();
		EStructuralFeature vFeature = vModel.getMetamodelManager()
				.translateToVirtualFeature(object,
						cElement.eContainingFeature());
		return vFeature;
	}

	@Override
	public EObject create(EClass eClass) {
		throw new ViewOperationException("EStore.move()");
	}

}