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

   1 package org.simantics.structural2.scl;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.common.request.UnaryRead;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.db.layer0.util.Layer0Utils;
   8
   9 public class SCLMainModuleRequest extends UnaryRead<Resource, String> {
  10
  11         public SCLMainModuleRequest(Resource indexRoot) {
  12                 super(indexRoot);
  13         }
  14
  15         @Override
  16         public String perform(ReadGraph graph) throws DatabaseException {
  17                 if(parameter == null) return null;
  18                 Resource mainModule = Layer0Utils.getPossibleChild(graph, parameter, "SCLMain");
  19                 if(mainModule != null) {
  20                         return graph.getURI(mainModule);
  21                 }
  22                 return null;
  23         }
  24
  25 }