bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/IsEnumeratedType.java

   1 package org.simantics.db.layer0.request;\r
   2 \r
   3 import org.simantics.db.ReadGraph;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.common.request.ResourceRead;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.layer0.Layer0;\r
   8 \r
   9 public class IsEnumeratedType extends ResourceRead<Boolean> {\r
  10 \r
  11         public IsEnumeratedType(Resource resource) {\r
  12                 super(resource);\r
  13         }\r
  14 \r
  15         @Override\r
  16         public Boolean perform(ReadGraph graph) throws DatabaseException {\r
  17                 if(graph.hasStatement(resource, Layer0.getInstance(graph).Enumeration, resource)) return true;\r
  18                 for(Resource st : graph.getSupertypes(resource)) {\r
  19                         if(graph.syncRequest(new IsEnumeratedType(st))) return true;    \r
  20                 }\r
  21                 return false;\r
  22         }\r
  23     \r
  24 }\r