the.blog

            final AutoCompleteTextField field = new AutoCompleteTextField("searchField", mySearchModel) {
                @Override
                protected Iterator<string> getChoices(String input) {
                    if (Strings.isEmpty(input)) {
                        List<string> emptyList = Collections.emptyList();
                        return emptyList.iterator();
                    }
 
                    List<string> keyMatches = new ArrayList<string>(10);
 
                    return myService.searchMatches(keyMatches).iterator();
                }
            };