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From Dain Sundstrom <d...@iq80.com>
Subject Re: Why are gbeans not serialized but the gbean attributes are?
Date Fri, 27 May 2005 22:35:41 GMT
In geronimo only the attributes explicitly marked as "persistent" in  
the GBeanInfo are serialized.  The magic attributes are not allowed  
to be marked as persistent.

-dain


On May 25, 2005, at 6:23 AM, Srinath Perera wrote:

> Hi Hiram;
>
> I will try to give a possible reason ..
>
> Not all the attributes in the GBeans are serializable, e.g.
> ClassLoader, kernel attributes
> in a GBean are not serializable, and have a special meaning in the
> enviorment it runs.
>
> those so called magic attributes get the values from the enviorment ..
> so serializing them do not make sense. I belive this is a reason
> making attributes Serializable (only the persitant ones), but not the
> GBeans,
>
> Thanks
> Srinath
>
> On 5/21/05, Hiram Chirino <hiram@hiramchirino.com> wrote:
>
>> I've been trying to analyze the reason why gbean attributes HAVE  
>> to be
>> serializable.
>>
>> The facts are that:
>>   1. A gbean itself does not need to be serializable.
>>   2. Only the gbean attributes are serialized.
>>   3. The de-serialized attributes are injected at runtime to  
>> construct
>> the gbean.
>>
>> My question is why does a gbean get different treatment than  
>> attribute?
>>   I've got a feeling it's this way because gbeans are complex objects
>> while most gbean attributes are simple types.  But we are starting to
>> see gbean objects that have complex attribute types.
>>
>> Why not also give gbean attributes the kind of runtime construction
>> support that is given to gbeans?  If this was done, then you don't
>> force complex attributes to implement the Serializable interfaces.
>> This could go a long way in helping solve some of the serialization
>> issues that are being discussed in other threads.
>>
>> Regards,
>> Hiram Chirino
>>
>>
>


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