1 package org.simantics.db.layer0.request;
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;
9 public class IsEnumeratedType extends ResourceRead<Boolean> {
11 public IsEnumeratedType(Resource resource) {
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;