bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/HasEnumerationRange.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 HasEnumerationRange extends ResourceRead<Boolean> {
  10
  11         public HasEnumerationRange(Resource resource) {
  12                 super(resource);
  13         }
  14
  15         @Override
  16         public Boolean perform(ReadGraph graph) throws DatabaseException {
  17                 Layer0 L0 = Layer0.getInstance(graph);
  18                 for(Resource range : graph.getObjects(resource, L0.HasRange)) {
  19                         boolean enu = graph.syncRequest(new IsEnumeratedType(range));
  20                         if(enu) return true;
  21                 }
  22                 return false;
  23         }
  24
  25 }