[core-libs] RFR (L): 8010319: Implementation of JEP 181: Nest-Based Access Control

[David Holmes]

Hi Alan,

On 22/05/2018 4:19 PM, Alan Bateman wrote:
> On 22/05/2018 01:05, David Holmes wrote:
>> :
>>
>>> Here’s a thought: did you consider caching the nest members in the 
>>> ReflectionData class? that may be worth doing regardless of dups.
>>
>> No that was not considered. Caching, as you know, is a space-time 
>> trade off and we have no data to use to determine whether caching 
>> would be of any benefit here. To me that would be a future RFE 
>> regardless. (And I don't expect these introspective nest methods to be 
>> used much in any case.)
> I think this is the first time that an access check in core reflection 
> (and java.lang.invoke too?) has to call into the VM. It's the private 
> member case so it might not be an issue. If it turns out to be an issue 
> then it can be re-examined.

I hadn't connected the caching with the access check, but yes lets 
re-examine if it is an issue.

Thanks,
David

> -Alan