TranslationRule.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 java.util.List;

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.InternalEObject.EStore;

import fr.inria.atlanmod.emfviews.core.View;

public abstract class TranslationRule implements EStore {

	@SuppressWarnings("unchecked")
	@Override
	public boolean isEmpty(InternalEObject object, EStructuralFeature feature) {
		EList<Object> list = (EList<Object>) get(object, feature, NO_INDEX);
		return list.isEmpty();
	}

	@SuppressWarnings("unchecked")
	public int size(InternalEObject object, EStructuralFeature feature) {
		try {
			return ((List<Object>) get(object, feature, NO_INDEX)).size();
		} catch (Exception e) {
		}
		return 0;
	}

	@SuppressWarnings("unchecked")
	@Override
	public boolean contains(InternalEObject object, EStructuralFeature feature,
			Object value) {
		try {
			EList<Object> ret = (EList<Object>) get(object, feature,
					TranslationRule.NO_INDEX);
			return ret.contains(value);
		} catch (Exception e) {
		}
		return false;
	}

	@SuppressWarnings("unchecked")
	@Override
	public int indexOf(InternalEObject object, EStructuralFeature feature,
			Object value) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		return ret.indexOf(value);
	}

	@SuppressWarnings("unchecked")
	@Override
	public int lastIndexOf(InternalEObject object, EStructuralFeature feature,
			Object value) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		return ret.lastIndexOf(value);
	}

	@SuppressWarnings("unchecked")
	@Override
	public void add(InternalEObject object, EStructuralFeature feature,
			int index, Object value) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		ret.add(index, ((View) object.eResource())
				.translateToVirtualElement((EObject) value));
	}

	@SuppressWarnings("unchecked")
	@Override
	public Object remove(InternalEObject object, EStructuralFeature feature,
			int index) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		return ret.remove(index);
	}

	@SuppressWarnings("unchecked")
	@Override
	public Object move(InternalEObject object, EStructuralFeature feature,
			int targetIndex, int sourceIndex) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		return ret.move(targetIndex, sourceIndex);
	}

	@SuppressWarnings("unchecked")
	@Override
	public void clear(InternalEObject object, EStructuralFeature feature) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		ret.clear();
	}

	@SuppressWarnings("unchecked")
	@Override
	public Object[] toArray(InternalEObject object, EStructuralFeature feature) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		return ret.toArray();
	}

	@SuppressWarnings("unchecked")
	@Override
	public <T> T[] toArray(InternalEObject object, EStructuralFeature feature,
			T[] array) {
		EList<Object> ret = (EList<Object>) get(object, feature,
				TranslationRule.NO_INDEX);
		return ret.toArray(array);
	}

}