How to map an OptionalLong to an Optional?

Question

I have an instance of OptionalLong. But one of my libraries requires an Optional as a parameter.

How can I convert my Option

Answer 1

You could do this:

final OptionalLong optionalLong = OptionalLong.of(5);

final Optional optional = Optional.of(optionalLong)
            .filter(OptionalLong::isPresent)
            .map(OptionalLong::getAsLong);