bundles/org.simantics.modeling/src/org/simantics/modeling/symbolEditor/PopulateTerminal.java

   1 package org.simantics.modeling.symbolEditor;
   2
   3 import org.simantics.databoard.Bindings;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.WriteGraph;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.diagram.stubs.DiagramResource;
   8 import org.simantics.layer0.Layer0;
   9 import org.simantics.layer0.utils.direct.GraphUtils;
  10 import org.simantics.modeling.ModelingResources;
  11 import org.simantics.structural.stubs.StructuralResource2;
  12 import org.simantics.structural2.utils.StructuralUtils;
  13
  14 public class PopulateTerminal {
  15
  16     public static void addToGraph(WriteGraph g, Resource symbolDiagram, Resource relation, Resource terminal) throws DatabaseException {
  17         StructuralResource2 STR = StructuralResource2.getInstance(g);
  18         DiagramResource DIA = DiagramResource.getInstance(g);
  19         ModelingResources MOD = ModelingResources.getInstance(g);
  20         Layer0 L0 = Layer0.getInstance(g);
  21
  22         Resource definedElement = g.getSingleObject(symbolDiagram, STR.Defines);
  23
  24         // Check for existing terminal relation in
  25         // the current defined element before creating new ones.
  26         Resource terminalRelation = null;
  27         for (Resource terminalRel : StructuralUtils.getConnectionRelations(g, definedElement)) {
  28             for (Resource connectionRel : g.getObjects(terminalRel, MOD.DiagramConnectionRelationToConnectionRelation)) {
  29                 if (relation.equals(connectionRel)) {
  30                     // Don't create new diagram-side terminal relation if one already
  31                     // exists for the same connection relation.
  32                     terminalRelation = terminalRel;
  33                     break;
  34                 }
  35             }
  36         }
  37
  38         if (terminalRelation == null) {
  39             terminalRelation = GraphUtils.create(g,
  40 //                    L0.SubrelationOf, STR.IsConnectedTo,
  41                     MOD.DiagramConnectionRelationToConnectionRelation, relation,
  42                     L0.PartOf, definedElement
  43             );
  44             g.claim(terminalRelation, L0.SubrelationOf, null, STR.IsConnectedTo);
  45             Resource inverse = GraphUtils.create(g,
  46 //                    L0.SubrelationOf, STR.Connects,
  47                     L0.PartOf, terminalRelation,
  48                     L0.HasName, "Inverse");
  49             g.claim(inverse, L0.SubrelationOf, null, STR.Connects);
  50             g.claim(terminalRelation, L0.InverseOf, inverse);
  51             String name = g.getPossibleRelatedValue(relation, L0.HasName, Bindings.STRING);
  52             if(name != null)
  53                 g.claimLiteral(terminalRelation, L0.HasName, name);
  54
  55             boolean interfaceGeneratesComponentExternally = !g.hasStatement(relation, MOD.GeneratesConnectionComponentInternally);
  56             for(Resource type : g.getObjects(relation, MOD.ImpliesDiagramConnectionRelationType)) {
  57                 // #6636: Only instantiate type if it does not generate a component
  58                 // when interface is marked to generate component internally.
  59                 boolean shouldInstantiate = interfaceGeneratesComponentExternally ||
  60                         g.getAssertedObjects(type, MOD.DiagramConnectionRelationToComponentType).isEmpty();
  61                 if (shouldInstantiate)
  62                     g.claim(terminalRelation, L0.InstanceOf, type);
  63             }
  64
  65             StructuralUtils.addConnectionPoint(g, definedElement, terminalRelation);
  66         }
  67
  68         g.claim(terminal, DIA.HasConnectionPoint, terminalRelation);
  69     }
  70
  71 }