RFR: 8152711: Create a non-template Log wrapper class

[Robbin Ehn]

Hi Stefan, looks good to me.

/Robbin

On 03/29/2016 03:48 PM, Stefan Karlsson wrote:
> Hi all,
>
> Please review this patch to introduce type-erased Log and LogTarget
> wrapper classes. These classes can be used where we don't want or can't
> use the template parameters associated with the Log and LogTarget classes.
>
> http://cr.openjdk.java.net/~stefank/8152711/webrev.01
> https://bugs.openjdk.java.net/browse/JDK-8152711
>
> The patch is applied on top of the patch in:
> http://mail.openjdk.java.net/pipermail/hotspot-dev/2016-March/022304.html
>
> I've received internal feedback that we probably want to reuse the
> LogTagSet instances. I'd prefer if that could be prototyped and
> implemented as a separate RFE.
>
> I've changed the implementation of GCTraceTime to show how LogHandles
> can be used to lower the amount of template parameters used throughout
> the implementation.
>
> Test: new internal vm test, jprt
>
> Thanks,
> StefanK