get cache factory from registry

sqlUserDataServiceFactory.go

// sqlUserDataServiceFactory is a empty receiver for Build method
type sqlUserDataServiceFactory struct{}

func (sudsf *sqlUserDataServiceFactory) Build(c container.Container, dataConfig *config.DataConfig)
	(dataservice.UserDataInterface, error) {

	dsc := dataConfig.DataStoreConfig
	dsi, err := datastorefactory.GetDataStoreFb(dsc.Code).Build(c, &dsc)
	if err != nil {
		return nil, errors.Wrap(err, "")
	}
	ds := dsi.(gdbc.SqlGdbc)
	uds := sqldb.UserDataSql{DB: ds}
	logger.Log.Debug("uds:", uds.DB)
	return &uds, nil

}