| /** |
| * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany) |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Florian Pirchner - Initial implementation |
| */ |
| package org.eclipse.osbp.dsl.entity.xtext.scoping; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.osbp.dsl.semantic.entity.LEntity; |
| import org.eclipse.osbp.dsl.semantic.entity.LEntityReference; |
| import org.eclipse.xtext.naming.QualifiedName; |
| import org.eclipse.xtext.resource.EObjectDescription; |
| import org.eclipse.xtext.resource.IEObjectDescription; |
| import org.eclipse.xtext.scoping.IScope; |
| import org.eclipse.xtext.scoping.impl.AbstractScope; |
| |
| public class EntityRefOppositeScope extends AbstractScope { |
| private final LEntityReference prop; |
| |
| public EntityRefOppositeScope(LEntityReference prop) { |
| super(IScope.NULLSCOPE, true); |
| this.prop = prop; |
| } |
| |
| @Override |
| protected Iterable<IEObjectDescription> getAllLocalElements() { |
| ArrayList<IEObjectDescription> result = new ArrayList<IEObjectDescription>(); |
| if (prop.getType() != null) { |
| LEntity propClass = prop.getEntity(); |
| LEntity type = prop.getType(); |
| for (LEntityReference oppositeProp : type.getReferences()) { |
| if (oppositeProp.getType() == propClass) { |
| String name = oppositeProp.getName(); |
| if (name != null) { |
| result.add(new EObjectDescription( |
| QualifiedName.create(name), |
| oppositeProp, null)); |
| } |
| } |
| } |
| } |
| return result; |
| } |
| } |