bundles/org.simantics.structural2/src/org/simantics/structural2/DefinedUCInterfaceMap.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in 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.structural2;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16
  17 import org.simantics.databoard.Bindings;
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.Statement;
  21 import org.simantics.db.common.request.ObjectsWithType;
  22 import org.simantics.db.common.request.ResourceRead;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.layer0.Layer0;
  25 import org.simantics.structural.stubs.StructuralResource2;
  26 import org.simantics.structural2.Functions.InterfaceResolution;
  27
  28 public class DefinedUCInterfaceMap extends ResourceRead<Collection<InterfaceResolution>> {
  29
  30     public DefinedUCInterfaceMap(Resource resource) {
  31         super(resource);
  32     }
  33
  34     @Override
  35     public Collection<InterfaceResolution> perform(ReadGraph graph)
  36             throws DatabaseException {
  37
  38         StructuralResource2 STR = StructuralResource2.getInstance(graph);
  39         Resource definition = graph.getPossibleObject(resource, STR.IsDefinedBy);
  40         if(definition != null) {
  41             Collection<InterfaceResolution> result = new ArrayList<>();
  42             Layer0 L0 = Layer0.getInstance(graph);
  43             for(Resource cp : graph.syncRequest(new ObjectsWithType(resource, L0.ConsistsOf, STR.ConnectionRelation))) {
  44                 String cpName = graph.getRelatedValue(cp, L0.HasName, Bindings.STRING);
  45                 for(Resource conn : graph.getObjects(cp, STR.IsBoundBy)) {
  46                     Statement stm = graph.getPossibleStatement(conn, STR.Connects);
  47                     if(stm == null) continue;
  48                     Resource component = stm.getObject();
  49                     String componentName = graph.getRelatedValue(component, L0.HasName, Bindings.STRING);
  50                     result.add(new InterfaceResolution(cp, cpName, componentName, graph.getInverse(stm.getPredicate())));
  51                 }
  52             }
  53             return result;
  54         }
  55         return null;
  56     }
  57
  58 }