Oh, I made a mistake. Let me try it again. If the predicate is true, add the element to the current list (create list prior if needed). Else if the predicate is false, send the list down to the stream, then add the element to a new list (the new current list, if you will).
On Wed, Jan 10, 2024 at 1:05 AM David Alayachew <davidalayac...@gmail.com> wrote: > Hello Core Libs Dev Team, > > I have been reading through JEP 461 (https://openjdk.org/jeps/461) about > Gatherers, and I'm really excited for what this will enable for us. > > By far, the most important functionality that this API facilitates is the > ability to create windows. Anytime I needed a window, I was basically > forced to use a for loop. Now, the 2 most common window cases are being > handed to us for free. It is very much appreciated. > > Could we add one more method for a conditionalWindowFixed? We would need > to pass in some Predicate<T>. If the predicate returns true, create a list > (if it does not already exist) then add the element to it. If the predicate > returns false while the list is empty, then just move along to the next. > Else if the predicate returns false while the list is non empty, pass the > list down into the stream. So, you end up with Stream<T> -----> > Stream<List<T>>. > > The reason I think this is worth adding is because it facilitates a really > common use case. We may not want all windows to be the same size. > > Is this something worth adding to the Gatherers API? > > Thank you for your time and help! > David Alayachew >
