]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleActiveExperiment.java
Initial support for concurrency in databoard, bindings and serializers
[simantics/platform.git] / 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 }