On Tue, 8 Dec 2020 20:42:52 GMT, Mandy Chung <mch...@openjdk.org> wrote:
>> `Reference::isEnqueued` method was never implemented as it was initially >> specified since 1.2. The specification says that it tests if this reference >> object has been enqueued, but the long-standing behavior is to test if this >> reference object is in its associated queue, only reflecting the state at >> the time when this method is executed. The implementation doesn't do what >> the specification promised, which might cause serious bugs if unnoticed. For >> example, an application that relies on this method to release critical >> resources could cause serious performance issues, in particular when this >> method is misused on Reference objects without an associated queue. >> `Reference::refersTo(null)` is the better recommended way to test if a >> Reference object has been cleared. >> >> This proposes to deprecate `Reference::isEnqueued`. Also the spec is >> updated to match the long-standing behavior. >> >> CSR: https://bugs.openjdk.java.net/browse/JDK-8189386 > > Mandy Chung has updated the pull request incrementally with one additional > commit since the last revision: > > improve the deprecation message per feedback Marked as reviewed by alanb (Reviewer). ------------- PR: https://git.openjdk.java.net/jdk/pull/1684
