/// <summary>
/// Return a formatter based on this factory's current settings.
/// </summary>
///
/// <returns>a BasicDurationFormatter</returns>
public virtual DurationFormatter GetFormatter()
{
if (f == null)
{
if (fallback != null)
{
fallback = fallback.WithLocale(localeName).WithTimeZone(
timeZone);
}
formatter = GetPeriodFormatter().WithLocale(localeName);
builder = GetPeriodBuilder().WithLocale(localeName).WithTimeZone(
timeZone);
f = CreateFormatter();
}
return(f);
}
/// <summary>
/// Clear the cached formatter. Subclasses must call this if their state has
/// changed. This is automatically invoked by setBuilder, setFormatter,
/// setFallback, setLocaleName, and setTimeZone
/// </summary>
///
protected internal void Reset()
{
f = null;
}