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