public HcpLiteVoCollection listHCPs(HcpFilter filter) throws DomainInterfaceException { HcpAdmin hcpAdmin = (HcpAdmin) getDomainImpl(HcpAdminImpl.class); if (filter != null && filter.getQueryNameIsNotNull()) return hcpAdmin.listHcpLiteByName(filter.getQueryName().getSurname()); else return null; }