Re: [Nanning-developer] Activity?

I'm thinking Prevayler and remote method-calls for serializing data 
transfer objects. But I don't think you would put aspects on a data 
transfer object though...

So maybe I should optionally support cglib in Nanning, when you don't 
need serialization. I would need it to throw some sort of exception if 
you try though...

Brian McCallister wrote:

> Yeah, no kidding.
>
> What is the context where people need serialization? The only places I 
> see it being commonly used are A) long term passivation of stateful 
> session beans in EJB containers; B) Long term passivation of session 
> information; C) Prevayler
>
> I recognize that you (Jon) in particular probably care deeply about 
> being able to serialize things out via prevayler... but where are the 
> "its not serializable" problems hitting others?
>
> -Brian
>
> On Jan 6, 2004, at 5:25 AM, Jon Tirsen wrote:
>
>> Well... That's the problem... Cglib'ed proxies are serializable, but 
>> the when you deserialize them the data is gone. *very* annoying! and 
>> non-intuitive.
>>
>> Brian McCallister wrote:
>>
>>> Nope, still cannot do it -- classes in cglib we would need to have 
>>> be serializable are not.
>>>
>>> -Brian
>>>
>>> On Jan 5, 2004, at 1:32 PM, Brian McCallister wrote:
>>>
>>>> Yep, we have that problem and just don't support serializing 
>>>> intercepted objects. I looked into ways around it once and decided 
>>>> it was just more effort than it was worth as I don't have a need, 
>>>> and no one has actually asked for it other than "do you support 
>>>> it?" Oddly enough the thing preventing serialization at the time 
>>>> has since been removed. Need to look and see how hard it would be 
>>>> to add it again now.
>>>>
>>>> -Brian
>>>>
>>>> On Jan 5, 2004, at 12:52 PM, Jon Tirsen wrote:
>>>>
>>>>> Nanning used to support intercepting classes too for a while, but 
>>>>> unfortunately there are some pretty severe serialization problems 
>>>>> in CGLIB. (Namely all data disappears if you serialize a cglib'ed 
>>>>> object!) So I took out CGLIB again.
>>>>>
>>>>> I'm considering adding optional support for CGLIB for users that 
>>>>> doesn't need serialization.
>>>>>
>>>>> Brian McCallister wrote:
>>>>>
>>>>>> I hesitate to drop this library as it has some features Nanning 
>>>>>> doesn't -- mainly intercepting classes as well as interfaces; the 
>>>>>> order of magnitude performance increase is nice in theory (in 
>>>>>> practice this isn't the bottleneck so it doesn't really matter 
>>>>>> much), and a more flexible interceptor-invocation matching system 
>>>>>> (possibly, my nanning-fu is weak).
>>>>>>
>>>>>> It doesn't have the mixin support as it is interception-only, but 
>>>>>> I haven't needed that. Methinks I need to play with Nanning some 
>>>>>> more.
>>>>>>
>>>>>> -Brian
>>>>>>
>>>>>> PS: http://kasparov.skife.org/intercept.html since I have 
>>>>>> mentioned it a couple times, may as well provide a pointer to it.
>>>>>>
>>>>>> On Jan 5, 2004, at 10:15 AM, stephan schmidt wrote:
>>>>>>
>>>>>>>
>>>>>>> On Jan 5, 2004, at 4:14 PM, Brian McCallister wrote:
>>>>>>>
>>>>>>>> Thank you for the heads up. I ask as I have been plugging 
>>>>>>>> together an interception (just interception) library with one 
>>>>>>>> of the cglib developers and find that to get the real benefits 
>>>>>>>> from interception I am needing to do a lot of IoC type stuff in 
>>>>>>>> combination with interception. The Pico+Nanning stuff.
>>>>>>>>
>>>>>>>> This really pushes for supporting strong IoC and interception 
>>>>>>>> integration and I recalled that Nanning and Pico work together 
>>>>>>>> nicely. I hate to reinvent wheels though as it seems you have 
>>>>>>>> already tread this ground and have a lot of useful tools built 
>>>>>>>> with it.
>>>>>>>>
>>>>>>>
>>>>>>> Nanning and Pico do work together nicely. We dropped our own 
>>>>>>> interception lib for Nanning.
>>>>>>>
>>>>>>> bye
>>>>>>> -stephan
>>>>>>>
>>>>>>>
>>>>>>>
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