public Joiner join(Class<? extends DataObject> clazz,String alias,URI... ids){
  return join(clazz,alias,new ArrayList<URI>(Arrays.asList(ids)));
}

public Joiner join ( Class < ? extends DataObject > clazz , String alias , URI ... ids ) { return join ( clazz , alias , new ArrayList < URI > ( Arrays . asList ( ids ) ) ) ; }
starts a new query not related to a previous class query .
