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

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