bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/ActiveExperiment.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * 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.modeling.adapters;
  13
  14 import org.simantics.db.ReadGraph;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.common.utils.Logger;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.db.layer0.request.PossibleActiveExperimentPath;
  19 import org.simantics.db.layer0.variable.Variable;
  20 import org.simantics.db.layer0.variable.Variables;
  21 import org.simantics.scl.runtime.function.FunctionImpl2;
  22
  23 /**
  24  * f: (ReadGraph, Resource model) -> Variable activeExperiment
  25  *
  26  * @author Tuukka Lehtonen
  27  */
  28 public class ActiveExperiment extends FunctionImpl2<ReadGraph, Resource, Variable> {
  29
  30     @Override
  31     public Variable apply(ReadGraph p0, Resource p1) {
  32         try {
  33             ReadGraph graph = (ReadGraph) p0;
  34             Resource model = (Resource) p1;
  35
  36             String activeExperimentPath = graph.syncRequest(new PossibleActiveExperimentPath(model));
  37             if (activeExperimentPath == null)
  38                 return null;
  39
  40             Variable var = Variables.getPossibleVariable(graph, model);
  41             if (var == null)
  42                 return null;
  43             Variable run = var.browsePossible(graph, activeExperimentPath);
  44             return run;
  45         } catch (DatabaseException e) {
  46             Logger.defaultLogError(e);
  47             return null;
  48         }
  49     }
  50
  51 }