java.lang.runtime.ReferencedKeyMap was introduced to provide a concurrent caching scheme for Carrier objects. The technique used is generally useful for a variety of caching schemes and is being moved to be shared in other parts of the jdk. The MethodType interning case is one example.
------------- Commit messages: - unneeded SuppressWarning - Wrong cast - Move jdk.internal.referencedkey to jdk.internal.util - Merge branch 'master' into 8310913 - Update MethodType to use ReferencedKeySet - Initial commit for ReferencedKeyMap and ReferencedKeySet Changes: https://git.openjdk.org/jdk/pull/14684/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14684&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8310913 Stats: 1391 lines in 12 files changed: 773 ins; 612 del; 6 mod Patch: https://git.openjdk.org/jdk/pull/14684.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14684/head:pull/14684 PR: https://git.openjdk.org/jdk/pull/14684
