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

   1 package org.simantics.db.layer0.request;
   2
   3 import java.util.HashSet;
   4 import java.util.Set;
   5
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.common.request.ResourceRead2;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.layer0.QueryIndexUtils;
  11
  12 public class IndexedInstances extends ResourceRead2<Set<Resource>> {
  13
  14         public IndexedInstances(Resource type, Resource indexRoot) {
  15                 super(type, indexRoot);
  16         }
  17
  18         @Override
  19         public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
  20                 return new HashSet<>(QueryIndexUtils.searchByTypeShallow(graph, resource2, resource));
  21         }
  22
  23 }