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

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