bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/ReadTypicalInfo.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 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.typicals;
  13
  14 import gnu.trove.map.hash.THashMap;
  15
  16 import java.util.TreeSet;
  17
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.common.request.ObjectsWithType;
  21 import org.simantics.db.common.request.UnaryRead;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.diagram.stubs.DiagramResource;
  24 import org.simantics.layer0.Layer0;
  25 import org.simantics.modeling.ModelingResources;
  26
  27 /**
  28  * Reads a TypicalInfo info structure for the specified typical diagram instance.
  29  *
  30  * @author Tuukka Lehtonen
  31  */
  32 public class ReadTypicalInfo extends UnaryRead<Resource, TypicalInfoBean> {
  33
  34     public ReadTypicalInfo(Resource typicalInstance) {
  35         super(typicalInstance);
  36     }
  37
  38     @Override
  39     public TypicalInfoBean perform(ReadGraph graph) throws DatabaseException {
  40         Layer0 L0 = Layer0.getInstance(graph);
  41         DiagramResource DIA = DiagramResource.getInstance(graph);
  42         ModelingResources MOD = ModelingResources.getInstance(graph);
  43
  44         TypicalInfoBean info = new TypicalInfoBean();
  45         info.instanceElements = new TreeSet<Resource>( graph.syncRequest( new ObjectsWithType(parameter, L0.ConsistsOf, DIA.Element) ) );
  46         info.instanceToTemplate = new THashMap<Resource, Resource>( info.instanceElements.size() );
  47         info.templateToInstance = new THashMap<Resource, Resource>( info.instanceElements.size() );
  48         info.isTemplatized = new TreeSet<Resource>();
  49         for (Resource instanceElement : info.instanceElements) {
  50             Resource templateElement = graph.getPossibleObject(instanceElement, MOD.HasElementSource);
  51             if (templateElement != null) {
  52                 info.instanceToTemplate.put(instanceElement, templateElement);
  53                 info.templateToInstance.put(templateElement, instanceElement);
  54             }
  55             if (graph.hasStatement(instanceElement, MOD.IsTemplatized))
  56                 info.isTemplatized.add(instanceElement);
  57         }
  58         return info;
  59     }
  60
  61 }