code: public NamedStoredProcedureQuery<Entity<T>> getOrCreateNamedStoredProcedureQuery()
     {
        List<Node> nodeList = childNode.get("named-stored-procedure-query");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new NamedStoredProcedureQueryImpl<Entity<T>>(this, "named-stored-procedure-query", childNode, nodeList.get(0));
        }
        return createNamedStoredProcedureQuery();
     }
docs: If not already created, a new <code>named-stored-procedure-query</code> element will be created and returned.
  Otherwise, the first existing <code>named-stored-procedure-query</code> element will be returned.
  @return the instance defined for the element <code>named-stored-procedure-query</code>