bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/imports/SCLModulesQuery.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.common.request.UnaryRead;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.layer0.Layer0;
  11
  12 public class SCLModulesQuery extends UnaryRead<Resource, Collection<String>> {
  13
  14     public SCLModulesQuery(Resource parameter) {
  15         super(parameter);
  16     }
  17
  18     @Override
  19     public Collection<String> perform(ReadGraph graph) throws DatabaseException {
  20         ArrayList<String> result = new ArrayList<String>();
  21
  22         Layer0 L0 = Layer0.getInstance(graph);
  23         browse(graph, L0, parameter, result);
  24
  25         return result;
  26     }
  27
  28     private static void browse(ReadGraph graph, Layer0 L0, Resource current,
  29             ArrayList<String> result) throws DatabaseException {
  30         if(graph.isInstanceOf(current, L0.SCLModule))
  31             result.add(graph.getURI(current));
  32         else if(graph.isInstanceOf(current, L0.Library)
  33                 || graph.isInstanceOf(current, L0.IndexRoot)) {
  34             for(Resource child : graph.getObjects(current, L0.ConsistsOf))
  35                 browse(graph, L0, child, result);
  36         }
  37     }
  38
  39 }