private void enrichMapWithCustomer(final Map<String,Object> map){
  map.put(CUSTOMER,customerService.getCustomerByEmail((String)map.get(CUSTOMER_EMAIL),(Shop)map.get(SHOP)));
}

private void enrichMapWithCustomer ( final Map < String , Object > map ) { map . put ( CUSTOMER , customerService . getCustomerByEmail ( ( String ) map . get ( CUSTOMER_EMAIL ) , ( Shop ) map . get ( SHOP ) ) ) ; }
enrich given map with shopper object .
