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

   1 package org.simantics.structural2;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5
   6 import org.simantics.databoard.Bindings;
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.Resource;
   9 import org.simantics.db.Statement;
  10 import org.simantics.db.common.request.ObjectsWithType;
  11 import org.simantics.db.common.request.ResourceRead;
  12 import org.simantics.db.exception.DatabaseException;
  13 import org.simantics.layer0.Layer0;
  14 import org.simantics.structural.stubs.StructuralResource2;
  15 import org.simantics.structural2.Functions.InterfaceResolution;
  16
  17 public class DefinedUCInterfaceMap extends ResourceRead<Collection<InterfaceResolution>> {
  18
  19         public DefinedUCInterfaceMap(Resource resource) {
  20                 super(resource);
  21         }
  22
  23         @Override
  24         public Collection<InterfaceResolution> perform(ReadGraph graph)
  25                         throws DatabaseException {
  26
  27                 StructuralResource2 STR = StructuralResource2.getInstance(graph);
  28                 Resource definition = graph.getPossibleObject(resource, STR.IsDefinedBy);
  29                 if(definition != null) {
  30                 Collection<InterfaceResolution> result = new ArrayList<InterfaceResolution>();
  31                         Layer0 L0 = Layer0.getInstance(graph);
  32                         for(Resource cp : graph.syncRequest(new ObjectsWithType(resource, L0.ConsistsOf, STR.ConnectionRelation))) {
  33                                 String cpName = graph.getRelatedValue(cp, L0.HasName, Bindings.STRING);
  34                                 for(Resource conn : graph.getObjects(cp, STR.IsBoundBy)) {
  35                                         Statement stm = graph.getPossibleStatement(conn, STR.Connects);
  36                                         if(stm == null) continue;
  37                                         Resource component = stm.getObject();
  38                                         String componentName = graph.getRelatedValue(component, L0.HasName, Bindings.STRING);
  39                                         result.add(new InterfaceResolution(cp, cpName, componentName, graph.getInverse(stm.getPredicate())));
  40                                 }
  41                         }
  42                 return result;
  43                 }
  44                 return null;
  45         }
  46
  47 }