How-to chain and apply a stream of comparators?

Question

I have a stream of unsorted items and a stream of comparators. I want to apply all the comparators onto the stream by using \"thenComparing\" (Multisort) Is there a more elegant

Answer 1

Using Mark Peters' suggestion and mixing it with a method reference, you could write your comparator this way:

Comparator compareFunc = comparators.reduce((a, b) -> 0, Comparator::thenComparing);

Or stealing a bit from Holger instead:

Optional compareFunc = comparators.reduce(Comparator::thenComparing);
Stream result = compareFunc.isPresent() ? result.sorted(compareFunc.get())
                                           : unsorted;