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

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