bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleModel.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.layer0.request;
  13
  14 import java.util.Collection;
  15
  16 import org.simantics.db.ReadGraph;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.common.request.IndexRoots;
  19 import org.simantics.db.common.request.ResourceRead;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.simulation.ontology.SimulationResource;
  22
  23 public class PossibleModel extends ResourceRead<Resource> {
  24
  25     public PossibleModel(Resource resource) {
  26         super(resource);
  27     }
  28
  29     @Override
  30     public Resource perform(ReadGraph graph) throws DatabaseException {
  31
  32         SimulationResource SIMU = SimulationResource.getInstance(graph);
  33         if (graph.isInstanceOf(resource, SIMU.Model))
  34             return resource;
  35
  36         Collection<Resource> result = graph.sync(new IndexRoots(resource));
  37         if(result.size() == 1) {
  38             Resource res = result.iterator().next();
  39             if (graph.isInstanceOf(res, SIMU.Model))
  40                 return res;
  41         }
  42         return null;
  43
  44 //      SimulationResource SIMU = SimulationResource.getInstance(graph);
  45 //      Layer0 L0 = Layer0.getInstance(graph);
  46 //
  47 //        if (graph.isInstanceOf(resource, SIMU.Model))
  48 //            return resource;
  49 //
  50 //        Resource parent = graph.getPossibleObject(resource, L0.PartOf);
  51 //        if (parent == null)
  52 //            return null;
  53 //
  54 //        else return graph.syncRequest(new PossibleModel(parent));
  55
  56     }
  57
  58 }