[OpenJDK 2D-Dev] <AWT Dev> Review Request for 6879044

[Mandy Chung]

Anthony Petrov wrote:
> On 09/23/2009 03:41 PM, Alan Bateman wrote:
>>> If AWT initialized the loggers lazily, and only did it when the 
>>> logging is actually enabled (checking for some system property, or 
>>> whatever other way), would we still be statically linked to the 
>>> j.u.logging package in case of a regular client application that does 
>>> not use/enable logging explicitly?
>> Yes, minimally they should be created lazily (this is one of the 
>> suggestions that Mandy listed in 6880089). That would at least avoid 
>> initializing all these loggers. The static dependency remains.
> 
> Ah, I just looked over the PlatformLogger code, and now I see it uses 
> reflection to access the j.u.logging.* classes. Now this point is clear.
> 
> Have it been discussed whether that is feasible to modify the VM in 
> order to eliminate the static dependency if a particular object never 
> gets initialized?

The HotSpot VM does lazy resolution and it doesn't load the type of an 
object if it's not initialized.

Static dependency refers to the types referenced in a class file (i.e. 
any types directly referenced in the source).

Mandy

> It just looks kind of artificial to create such proxy classes. I bet 
> we'll need plenty of them for other modules. Won't the code be messed up 
> too much?
> 
> -- 
> best regards,
> Anthony