Re: [Nanning-developer] Activity?

Yes, that's true. I certainly imagine people will put aop-objects in 
their session.

Kevin Smith wrote:

> Not sure what context people might be using it wrt Nanning/AOP, but 
> serialization also comes into play for clustered servlet containers 
> (session migration and such).
>
> --Kevin
> Jon Tirsen wrote:
>
>> 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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>>>>>
>>>>>
>>>>>
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>>>>
>>>>
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>>
>>
>>
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>
>
>
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