[concurrency-interest] CopyOnWriteArrayNavigableSet too late for JEP 266?
nathan.reynolds at oracle.com
Mon Oct 26 22:33:13 EDT 2015
There is a JDK bug on using sets for interning. See
On 10/24/2015 6:02 PM, Aaron Grunthal wrote:
> One useful advantage of Navigable-/SortedSet is that one can not only
> test the presence of an element but also extract the matching element
> by (ab)using the floor/ceil methods.
> Regular sets cannot be used for interning and a Map has the added
> overhead/indirection with its Map.Entry objects.
> On 14.10.2015 14:41, Doug Lea wrote:
>> So, one question is whether all four of SortedArrayList, SortedArraySet,
>> SortedCopyOnWriteArrayList, and SortedCopyOnWriteArraySet should now be
>> introduced to fill in the coverage gaps. Or whether the use cases
>> covered by only SortedCopyOnWriteArraySet are special enough to
>> warrant inclusion without the others. This is the kind of question
>> that tends to lead to prolonged inaction in JDK. So any thoughts on
>> resolving it quickly would be welcome.
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