/**
* Copyright (c) 2011-2012 Eclipse contributors 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
*/
package org.eclipse.emf.ecore.xcore.scoping;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.xtext.resource.IDefaultResourceDescriptionStrategy;
import org.eclipse.xtext.resource.impl.DefaultResourceDescription;
import org.eclipse.xtext.resource.impl.EObjectDescriptionLookUp;
import org.eclipse.xtext.util.IResourceScopeCache;
/**
* This implementation ensures that the contents of the resource is not queried
* to compute the exported elements.
* @author Sebastian Zarnekow
*/
public class XcoreResourceDescription extends DefaultResourceDescription
{
public XcoreResourceDescription(Resource resource, IDefaultResourceDescriptionStrategy strategy, IResourceScopeCache cache)
{
super(resource, strategy, cache);
}
@Override
protected EObjectDescriptionLookUp getLookUp()
{
if (lookup == null)
{
lookup = new EObjectDescriptionLookUp(computeExportedObjects());
}
return lookup;
}
}