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

   1 package org.simantics.scenegraph.profile.request;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.Collections;
   6
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.Resource;
   9 import org.simantics.db.common.request.ResourceRead;
  10 import org.simantics.db.exception.DatabaseException;
  11 import org.simantics.db.layer0.adapter.Instances;
  12 import org.simantics.diagram.stubs.DiagramResource;
  13
  14 public class ProfileEntryContributions extends ResourceRead<Collection<Resource>>{
  15
  16         protected ProfileEntryContributions(Resource runtimeDiagram) {
  17                 super(runtimeDiagram);
  18         }
  19
  20         @Override
  21         public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
  22
  23                 DiagramResource DIA = DiagramResource.getInstance(graph);
  24
  25                 String indexURI = graph.getPossibleRelatedValue(resource, DIA.RuntimeDiagram_HasModelURI);
  26                 if (indexURI == null)
  27                         return Collections.emptyList();
  28
  29                 Resource index = graph.getPossibleResource(indexURI);
  30                 if (index == null)
  31                         return Collections.emptyList();
  32
  33                 Instances query = graph.adapt(DIA.ProfileEntryContribution, Instances.class);
  34
  35                 ArrayList<Resource> result = new ArrayList<>();
  36                 for(Resource contribution : query.find(graph, index)) {
  37                         result.add(graph.getSingleObject(contribution, DIA.ProfileEntryContribution_HasEntry));
  38                 }
  39
  40                 return result;
  41
  42         }
  43
  44 }