+1 to remove them. It seems that we should also drop the class Option as it's currently only used in RequiredParameters.
> 在 2019年12月3日，下午8:34，Robert Metzger <rmetz...@apache.org> 写道： > > +1 on removing it. > > On Tue, Dec 3, 2019 at 12:31 PM Stephan Ewen <se...@apache.org > <mailto:se...@apache.org>> wrote: > I just stumbled across these classes recently and was looking for sample uses. > No examples and other tests in the code base seem to use RequiredParameters > and OptionType. > > They also seem quite redundant with how ParameterTool itself works > (tool.getRequired()). > > Should we drop them, in an attempt to reduce unnecessary code and confusion > for users (multiple ways to do the same thing)? There are also many better > command line parsing libraries out there, this seems like something we don't > need to solve in Flink. > > Best, > Stephan
