+1 I'm fine with undeprecating MessageSupplier. Remko
Sent from my iPhone > On Feb 24, 2017, at 19:07, Matt Sicker <boa...@gmail.com> wrote: > > In log4j-api, the interface MessageSupplier has been deprecated ever since we > realized that we didn't need it and could just use Supplier<Message> for > lambda support. However, now that I've actually tried to use this in my own > Java 8 project, I noticed that by default, the following will call the > deprecated method: > > logger.info(() -> new MapMessage(convertForLogging(fields))); > > However, if I cast it, it'll call the non-deprecated form: > > logger.info((Supplier<Message>) () -> new > MapMessage(convertForLogging(fields))); > > This isn't ideal. I propose we simply undeprecate MessageSupplier as it's the > more specific form that javac will use by default anyways. We should note > that it won't be available in a hypothetical 3.0 API, but I'd imagine that > hypothetical API would just use Java 8's Supplier functional interface > instead as well. > > -- > Matt Sicker <boa...@gmail.com>