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

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