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

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