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From Jason Dillon <>
Subject Re: What is the point of the CAR file?
Date Sat, 08 Jul 2006 03:17:36 GMT
To be

I am still not convinced that we need CAR files to make G work... but  
we can look into this more later once we have a functional build and  
most likely 1.2+ out the door.

We'll see... maybe i will see the light and hop on the CAR  
bandwagon... or maybe not.  I commented on this to get a better  
understanding for while it was needed to make G operate (and still  
pending some concrete details).  My gut tells me that there is a  
simpler way to get to the same goal... and we should examine if that  
is possible... BUT, I'm not suggesting in any way that we block  
progress (of the m2 build or anything) because of it.


On Jun 27, 2006, at 11:17 PM, David Jencks wrote:

> On Jun 27, 2006, at 3:25 PM, Jason Dillon wrote:
>> Can someone briefly explain what the point of CAR files are?
>> They appears to be compiled plan.xml or something... but why do we  
>> need this?  Why not deploy the plan.xml and then let any  
>> processing happen inside of the server... and eliminate the need  
>> for any build-tiime custom CAR mucky muck?
> I'm not real enthusiastic about debating this at length right now,  
> but I strongly object to removing the concept of car files.  I'm  
> not thrilled with replaicing the seriailzed gbean content with xml  
> but don't object.  I do object to requiring any builders to be  
> running in a server in order to start any modules.  The idea behind  
> car files is to convert any kind of input configuration info into a  
> basic format that requires no thought to load and run.  Starting  
> with the plan.xml at runtime will require making sure somehow that  
> any builders needed to interpret the plan are started.  Right now  
> this is restricted to XmlAttributeBuilders and XmlReferenceBuilders  
> but the patch I'm working on for pluggable jacc will introduce the  
> possibility of using any namespace driven builder to interpret  
> pretty much arbitrary content.
> thanks
> david jencks
>> --jason

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