public void setLocale(Locale locale) {
        this.locale = locale;
        setLanguage(Language.fromLocale(locale));
    }
Explicitly sets the locale to be used during parsing. This method also calls {@link #setLanguage(Language)}
with the corresponding {@link Language} instance.

@param locale the locale to set
@see #getLocale()
@see #setLanguage(Language)
container-search/src/main/java/com/yahoo/search/query/Model.java