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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2014 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  *     Semantum Oy - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.db.layer0.request;\r
  13 \r
  14 import org.simantics.db.ReadGraph;\r
  15 import org.simantics.db.Resource;\r
  16 import org.simantics.db.exception.DatabaseException;\r
  17 import org.simantics.db.layer0.variable.Variable;\r
  18 import org.simantics.simulation.ontology.SimulationResource;\r
  19 \r
  20 public class PossibleVariableModel extends VariableRead<Resource> {\r
  21 \r
  22         public PossibleVariableModel(Variable variable) {\r
  23                 super(variable);\r
  24         }\r
  25 \r
  26         @Override\r
  27         public Resource perform(ReadGraph graph) throws DatabaseException {\r
  28 \r
  29                 SimulationResource SIMU = SimulationResource.getInstance(graph);\r
  30 \r
  31                 Resource represents = variable.getPossibleRepresents(graph);\r
  32                 if(represents != null) {\r
  33                         if(graph.isInstanceOf(represents, SIMU.Model)) return represents;\r
  34                         if(graph.getRootLibrary().equals(represents)) return null;\r
  35                 }\r
  36 \r
  37                 return graph.syncRequest(new PossibleVariableModel(variable.getParent(graph)));\r
  38 \r
  39         }\r
  40 \r
  41 }\r