[concurrency-interest] @Contended (JEP-142)

Gregg Wonderly gregg at cytetech.com
Wed Nov 28 11:47:17 EST 2012

Also, in the grander scheme of things, if, annotations are "runtime", and if we 
extended their definitions, there could be a default method of "whenImplemented" 
and another of "whenMissing" for example, that the JVM could invoke.  The 
implementing JVMs/environments, could then modify the "default" version of 
these.  The defaults, might then print an appropriate log message so that 
users/developers would know when to expect appropriate enhancements.


On 11/28/2012 3:53 AM, Aleksey Shipilev wrote:
> On 11/28/2012 01:44 PM, √iktor Ҡlang wrote:
>>      Would it help adoption if this would get backported to JDK7 (you will
>>      have to have the recent update release nevertheless)? Would that be
>>      sensible to backport to JDK6 at all?
>> Even if that was done, what about J9, Dalvik etc?
>> I think the sad fact here is that it will essentially only be usable
>> within the JDK for the foreseeable future.
> (I'll let Doug to chime in on J9, Dalvik, etc. endeavors with
> @Contended, if there are any).
> My question is very pragmatic though: if there is a strong desire to use
> this within Oracle JDK7, we can explore how much it would take to
> backport. Our current inclination is to use that in JDK8 only, but we
> can take the community response into the consideration.
> -Aleksey.
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