gerrit.simantics Code Review - simantics/district.git/blob

   1 package org.simantics.district.network.ui.techtype.requests;
   2
   3 import java.util.Collection;
   4
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.common.request.ResourceRead2;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.district.network.ontology.DistrictNetworkResource;
  10 import org.simantics.layer0.Layer0;
  11
  12 public class PossibleTechTypeTable extends ResourceRead2<Resource> {
  13         public PossibleTechTypeTable(Resource model, Resource componentType) {
  14                 super(model, componentType);
  15         }
  16
  17         @Override
  18         public Resource perform(ReadGraph graph) throws DatabaseException {
  19                 Layer0 L0 = Layer0.getInstance(graph);
  20                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  21
  22                 Collection<Resource> children = graph.getObjects(resource, L0.ConsistsOf);
  23                 for (Resource child : children) {
  24                         if (!graph.isInstanceOf(child, DN.TechType_TechTypeTable))
  25                                 continue;
  26
  27                         if (graph.hasStatement(child, DN.TechType_TechTypeTable_HasComponentType, resource2))
  28                                 return child;
  29                 }
  30
  31                 return null;
  32         }
  33 }