bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleActiveExperiment.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 org.simantics.db.ReadGraph;\r
  15 import org.simantics.db.Resource;\r
  16 import org.simantics.db.common.request.PossibleIndexRoot;\r
  17 import org.simantics.db.common.request.ResourceRead;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.layer0.Layer0;\r
  20 import org.simantics.simulation.ontology.SimulationResource;\r
  21 \r
  22 public class PossibleActiveExperiment extends ResourceRead<Resource> {\r
  23 \r
  24     public PossibleActiveExperiment(Resource partOfModel) {\r
  25         super(partOfModel);\r
  26     }\r
  27 \r
  28     @Override\r
  29     public Resource perform(ReadGraph graph) throws DatabaseException {\r
  30 \r
  31         Resource model = graph.sync(new PossibleIndexRoot(resource));\r
  32         if(model == null) return null;\r
  33         \r
  34         Layer0 b = Layer0.getInstance(graph);\r
  35         SimulationResource SIMU = SimulationResource.getInstance(graph);\r
  36         Resource result = null;\r
  37         for(Resource config : graph.getObjects(model, b.ConsistsOf)) {\r
  38             if(graph.isInstanceOf(config, SIMU.Experiment)) {\r
  39                 for(Resource run : graph.getObjects(config, b.ConsistsOf)) {\r
  40                     if(graph.isInstanceOf(run, SIMU.Run)) {\r
  41                         if(graph.hasStatement(run, SIMU.IsActive)) {\r
  42                             if(result != null) return null;\r
  43                             result = run;\r
  44                         }\r
  45                     }\r
  46                 }\r
  47             }\r
  48         }\r
  49 \r
  50         return result;\r
  51 \r
  52     }\r
  53 \r
  54 }\r