bundles/org.simantics.structural2/src/org/simantics/structural2/scl/ReadComponentTypeConnectionsRequest.java

   1 package org.simantics.structural2.scl;
   2
   3 import gnu.trove.map.hash.THashMap;
   4
   5 import java.util.Map;
   6
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.common.request.ResourceRead;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.layer0.Layer0;
  13 import org.simantics.structural.stubs.StructuralResource2;
  14
  15 public class ReadComponentTypeConnectionsRequest extends ResourceRead<Map<String, Resource>> {
  16
  17         public ReadComponentTypeConnectionsRequest(Resource resource) {
  18                 super(resource);
  19         }
  20
  21         @Override
  22         public Map<String, Resource> perform(ReadGraph graph)
  23                         throws DatabaseException {
  24                 THashMap<String, Resource> result =
  25                                 new THashMap<String, Resource>();
  26
  27                 Layer0 L0 = Layer0.getInstance(graph);
  28                 StructuralResource2 STR = StructuralResource2.getInstance(graph);
  29                 for(Resource relation : graph.getObjects(resource, L0.DomainOf)) {
  30                         if(graph.isSubrelationOf(relation, STR.IsConnectedTo)) {
  31                                 String name = graph.getRelatedValue(relation, L0.HasName, Bindings.STRING);
  32                                 result.put(name, relation);
  33                         }
  34                 }
  35
  36                 return result;
  37         }
  38
  39 }