bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/imports/OntologiesQuery.java

   1 package org.simantics.modeling.ui.scl.imports;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.request.Read;
  10 import org.simantics.layer0.Layer0;
  11
  12 public enum OntologiesQuery implements Read<Collection<String>> {
  13     INSTANCE;
  14
  15     @Override
  16     public Collection<String> perform(ReadGraph graph) throws DatabaseException {
  17         ArrayList<String> result = new ArrayList<String>();
  18
  19         Layer0 L0 = Layer0.getInstance(graph);
  20         browse(graph, L0, graph.getRootLibrary(), result);
  21
  22         return result;
  23     }
  24
  25     private static void browse(ReadGraph graph, Layer0 L0, Resource current,
  26             ArrayList<String> result) throws DatabaseException {
  27         if(graph.isInstanceOf(current, L0.Ontology))
  28             result.add(graph.getURI(current));
  29         else if(graph.isInstanceOf(current, L0.Library)) {
  30             for(Resource child : graph.getObjects(current, L0.ConsistsOf))
  31                 browse(graph, L0, child, result);
  32         }
  33     }
  34
  35 }