gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 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.sysdyn.ui.handlers;\r
  13 \r
  14 import java.util.concurrent.Semaphore;\r
  15 \r
  16 import org.eclipse.core.runtime.IProgressMonitor;\r
  17 import org.eclipse.core.runtime.IStatus;\r
  18 import org.eclipse.core.runtime.Status;\r
  19 import org.eclipse.core.runtime.jobs.Job;\r
  20 import org.simantics.db.ReadGraph;\r
  21 import org.simantics.db.RequestProcessor;\r
  22 import org.simantics.db.Resource;\r
  23 import org.simantics.db.common.utils.NameUtils;\r
  24 import org.simantics.db.exception.AdaptionException;\r
  25 import org.simantics.db.exception.DatabaseException;\r
  26 import org.simantics.db.request.Read;\r
  27 import org.simantics.message.MessageService;\r
  28 import org.simantics.project.IProject;\r
  29 import org.simantics.simulation.experiment.IExperiment;\r
  30 import org.simantics.simulation.model.ExperimentLoadingFailed;\r
  31 import org.simantics.simulation.project.IExperimentActivationListener;\r
  32 import org.simantics.simulation.project.IExperimentManager;\r
  33 import org.simantics.sysdyn.ui.listeners.SysdynExperimentManagerListener;\r
  34 import org.simantics.utils.DataContainer;\r
  35 import org.simantics.utils.ui.ErrorLogger;\r
  36 import org.simantics.utils.ui.ExceptionUtils;\r
  37 import org.simantics.utils.ui.dialogs.ShowMessage;\r
  38 \r
  39 public class SysdynExperimentActivator {\r
  40     /**\r
  41      * @param project\r
  42      * @param experimentManager\r
  43      * @param experiment\r
  44      */\r
  45     public static void scheduleActivation(RequestProcessor processor, final IProject project, final IExperimentManager experimentManager, final Resource experiment) {\r
  46         String jobName = "Activate Experiment";\r
  47         String experimentName = getName(processor, experiment);\r
  48         if (experimentName != null)\r
  49             jobName += " '" + experimentName + "'";\r
  50         /*\r
  51         // Shut down the previous active experiment\r
  52         IExperiment activeExperiment = experimentManager.getActiveExperiment();\r
  53         if (experiment != null)\r
  54             activeExperiment.shutdown();\r
  55          */\r
  56         // Activate a new experiment\r
  57         scheduleActivation(jobName, project, experimentManager, experiment);\r
  58     }\r
  59 \r
  60     /**\r
  61      * @param project\r
  62      * @param experimentManager\r
  63      * @param experiment\r
  64      */\r
  65     public static void scheduleActivation(String jobName, final IProject project, final IExperimentManager experimentManager, final Resource experiment) {\r
  66         new Job(jobName) {\r
  67             @Override\r
  68             protected IStatus run(final IProgressMonitor monitor) {\r
  69                 return SysdynExperimentActivator.activate(monitor, project, experimentManager, experiment);\r
  70             }\r
  71         }.schedule();\r
  72     }\r
  73 \r
  74     public static IStatus activate(IProgressMonitor monitor, IProject project, IExperimentManager experimentManager, Resource experiment) {\r
  75         return new SysdynExperimentActivator().activateExperiment(monitor, project, experimentManager, experiment);\r
  76     }\r
  77 \r
  78     private static String getName(RequestProcessor processor, final Resource resource) {\r
  79         try {\r
  80             return processor.syncRequest(new Read<String>() {\r
  81                 @Override\r
  82                 public String perform(ReadGraph graph) throws DatabaseException {\r
  83                     try {\r
  84                         return graph.adapt(resource, String.class);\r
  85                     } catch (AdaptionException e) {\r
  86                         return NameUtils.getSafeName(graph, resource);\r
  87                     }\r
  88                 }\r
  89             });\r
  90         } catch (DatabaseException e) {\r
  91             ErrorLogger.defaultLogWarning(e);\r
  92             return null;\r
  93         }\r
  94     }\r
  95 \r
  96     private IStatus activateExperiment(final IProgressMonitor monitor, final IProject project, final IExperimentManager manager, final Resource experimentResource) {\r
  97         monitor.beginTask("Activating experiment", IProgressMonitor.UNKNOWN);\r
  98         try {\r
  99             SysdynExperimentManagerListener.listenManager(manager);\r
 100             IExperiment experiment = manager.getActiveExperiment();\r
 101             if(experiment != null) {\r
 102                 experiment.shutdown();\r
 103             }\r
 104             final Semaphore activated = new Semaphore(0);\r
 105             final DataContainer<Throwable> problem = new DataContainer<Throwable>();\r
 106             manager.startExperiment(experimentResource, new IExperimentActivationListener() {\r
 107 \r
 108                 @Override\r
 109                 public void onExperimentActivated(final IExperiment experiment) {\r
 110                     MessageService.defaultLog(new org.eclipse.core.runtime.Status(IStatus.INFO, "org.simantics.simulation.ui", 0, "Activated experiment " + experiment.getIdentifier() , null));\r
 111                     activated.release();\r
 112                 }\r
 113                 @Override\r
 114                 public void onFailure(Throwable e) {\r
 115                     problem.set(e);\r
 116                     activated.release();\r
 117                 }\r
 118                 @Override\r
 119                 public void onMessage(IStatus message) {\r
 120                     MessageService.getDefault().log(message);\r
 121                     /*ILogger logger = MessageService.getDefault();\r
 122                     MultiStatus init = new MultiStatus(Activator.PLUGIN_ID, 0, "Activating experiment", null);\r
 123                     for (String msg : messages) {\r
 124                         init.add(new Status(IStatus.INFO, Activator.PLUGIN_ID, msg));\r
 125                     }\r
 126                     logger.log(init);*/\r
 127                 }\r
 128             }, true);\r
 129             try {\r
 130                 activated.acquire();\r
 131                 Throwable t = problem.get();\r
 132                 if (t != null) {\r
 133                     if (t instanceof ExperimentLoadingFailed) {\r
 134                         ErrorLogger.defaultLogError(t);\r
 135                         ShowMessage.showError("Experiment Activation Failed", t.getMessage());\r
 136                     } else {\r
 137                         ExceptionUtils.logAndShowError(t);\r
 138                     }\r
 139                 }\r
 140 \r
 141                 return Status.OK_STATUS;\r
 142                 //return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Experiment activation failed, see exception for details.", problem.get());\r
 143             } catch (InterruptedException e) {\r
 144                 return Status.CANCEL_STATUS;\r
 145             }\r
 146         } finally {\r
 147             monitor.done();\r
 148         }\r
 149     }\r
 150 \r
 151 }\r