We're Jewish, but no bris either (we're not practicing).

On Fri, Feb 19, 2010 at 11:36 AM, Daniel Gredler <[email protected]> wrote:
> Congratulations on the new Ship!
>
> Have you christened him? ;-)
>
>
>
> On Fri, Feb 19, 2010 at 2:05 PM, Howard Lewis Ship <[email protected]> wrote:
>>
>> Ah, the joy of Git ... that was one big ass commit just now.
>>
>> You'd be surprised how much of that was coded while sitting sideways
>> in my seat on the way to and from London, and much of the rest while
>> sitting in the hospital waiting for my son to be born!
>>
>> There's still lots of room for tweaking and improving performance, but
>> creating a ComponentClassTransformWorker that does non-trivial stuff
>> is now much, much, much easier and there's nothing left in the APIs
>> that requires Javassist under the covers.
>>
>> However, many of the existing methods of ClassTransformation have been
>> deprecated, and some of the deprecated methods are non-functional:
>> they throw a runtime exception (these are the methods most closely
>> tied to Javassist).
>>
>> Basically, where in the past you would specify Javassist script for
>> part of a method implementation (i.e., to perform some work inside
>> containingPageDidLoad()) the new approach is to add advice to the
>> containingPageDidLoad() method to do the desired work.
>>
>> This will affect performance and memory utilization. Performance may
>> downgrade some imperceptible amount (there's simply more method
>> invocations going on). Memory utilization will go up; in fact, much of
>> the new code creates many more classes in the component class loader.
>> These new classes exist to provide efficient reflection-style access
>> to component fields and methods (regardless of visibility).
>>
>> The flip side, however, is that much more of the meta-programming code
>> will be in "normal" space, as callbacks from components, rather than
>> in "javassist" space as runtime-generated bytecode.
>>
>>
>>
>> --
>> Howard M. Lewis Ship
>>
>> Creator of Apache Tapestry
>>
>> The source for Tapestry training, mentoring and support. Contact me to
>> learn how I can get you up and productive in Tapestry fast!
>>
>> (971) 678-5210
>> http://howardlewisship.com
>>
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>>
>
>
>
> --
> Daniel Gredler
> http://daniel.gredler.net/
>



-- 
Howard M. Lewis Ship

Creator of Apache Tapestry

The source for Tapestry training, mentoring and support. Contact me to
learn how I can get you up and productive in Tapestry fast!

(971) 678-5210
http://howardlewisship.com

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