bundles/org.simantics.db.common/src/org/simantics/db/common/request/DeepObjectsWithType.java

   1 package org.simantics.db.common.request;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.HashSet;\r
   5 \r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 \r
  10 public class DeepObjectsWithType extends ResourceRead3<Collection<Resource>> {\r
  11 \r
  12         public DeepObjectsWithType(Resource subject, Resource subrelationOf, Resource instanceOf) {\r
  13         super(subject, subrelationOf, instanceOf);\r
  14     }\r
  15 \r
  16         @Override\r
  17         public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {\r
  18                 HashSet<Resource> result = new HashSet<Resource>();\r
  19                 for(Resource object : graph.sync(new ObjectsWithType(resource, resource2, resource3))) {\r
  20                         result.add(object);\r
  21                         result.addAll(graph.sync(new DeepObjectsWithType(object, resource2, resource3)));\r
  22                 }\r
  23                 return result;\r
  24         }\r
  25 \r
  26 }\r