ConcurrentHashMap with weak keys and identity hash?

Question

How do I get a ConcurrentHashMap with weak keys and identity hashes in Java? I think Google Guava Collections can give such a thing, but can I get it from the s

Answer 1

search ConcurrentWeakIdentityHashMap, you will get many examples. I wrote an implement myself, for I think the hashCode of org/ehcache/core/internal/util/ConcurrentWeakIdentityHashMap$WeakReference is so bad.

Example of ehcache3

Example I wrote

Pull Rquest to fix the ehcache3 ConcurrentWeakIdentityHashMap Key hashCode