bundles/org.simantics.charts/src/org/simantics/charts/query/MilestoneSpecQuery.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 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.charts.query;\r
  13 \r
  14 import org.simantics.db.ReadGraph;\r
  15 import org.simantics.db.Resource;\r
  16 import org.simantics.db.common.request.ResourceRead;\r
  17 import org.simantics.db.exception.DatabaseException;\r
  18 import org.simantics.event.ontology.EventResource;\r
  19 import org.simantics.event.view.handler.MilestoneList;\r
  20 import org.simantics.event.view.handler.MilestoneListQuery;\r
  21 import org.simantics.layer0.Layer0;\r
  22 import org.simantics.trend.impl.Milestone;\r
  23 import org.simantics.trend.impl.MilestoneSpec;\r
  24 \r
  25 public class MilestoneSpecQuery extends ResourceRead<MilestoneSpec> {\r
  26         \r
  27         public MilestoneSpecQuery(Resource eventlog) {\r
  28                 super(eventlog);\r
  29         }\r
  30         \r
  31     @Override\r
  32     public MilestoneSpec perform(ReadGraph graph) throws DatabaseException {\r
  33         MilestoneSpec result = new MilestoneSpec();\r
  34         result.init();\r
  35         result.baseline = -1;\r
  36         Layer0 L0 = Layer0.getInstance(graph);\r
  37         EventResource EVENT = EventResource.getInstance(graph);\r
  38 \r
  39         Resource experiment = resource;\r
  40         Resource eventLog = graph.getPossibleObject(experiment, EVENT.IsEventProducerOf);        \r
  41         if (eventLog != null) {\r
  42                 MilestoneList ml = graph.sync( new MilestoneListQuery(eventLog) );\r
  43                 for (Resource event : ml.milestones) \r
  44                 {                       \r
  45                         boolean isMilestone = graph.hasStatement(event, EVENT.Milestone);\r
  46                         boolean isHidden = graph.hasStatement(event, EVENT.Hidden);\r
  47                         boolean isBaseline = event.equals(ml.baseline);\r
  48                         if (!isMilestone && !isBaseline) continue;\r
  49 \r
  50                         Double creationTime = graph.getPossibleRelatedValue(event, EVENT.HasTimestamp);\r
  51                         String milestoneLabel = graph.getPossibleRelatedValue(event, EVENT.Event_milestoneLabel);\r
  52                         String label = graph.getPossibleRelatedValue(event, L0.HasLabel);  \r
  53                         \r
  54                         Milestone ms = new Milestone();\r
  55                         ms.label = milestoneLabel==null ? "" : milestoneLabel;\r
  56                         ms.description = label==null ? "" : label;\r
  57                         ms.id = graph.getRelatedValue(event, L0.HasName);\r
  58                         ms.time = creationTime==null ? 0.0 : creationTime;\r
  59                         ms.hidden = isHidden;\r
  60                         if (isBaseline) result.baseline = result.milestones.size(); \r
  61                         result.milestones.add( ms );\r
  62                 }\r
  63         }\r
  64         \r
  65         return result;\r
  66     }\r
  67 \r
  68         public Resource getEventLog() {\r
  69                 return resource;\r
  70         }       \r
  71 \r
  72 \r
  73 }\r