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From Geir Magnusson Jr <>
Subject Re: Synchronizing a Context
Date Thu, 15 Jan 2004 13:55:30 GMT

On Jan 15, 2004, at 8:38 AM, Niall Gallagher wrote:

> Hi,
> I am relatively new to Velocity and I have been trying to write a 
> shared Context for a group of Servlets. However, I see in the Javadoc 
> documentation that the VelocityContext object is not thread safe, I 
> have also examined the hierarchy of super classes and find that it 
> pretty much comes down to the InternalContextBase.icachePut and 
> InternalContextBase.icacheGet methods.

yes, but see below

> What I was wondering was, if I synchronized these methods in a 
> subclass and extended the AbstractContext would I have a thread safe 
> Context implementation ? If not is there any support within the core 
> Velocity API for thread safe (preferably chained) Context objects. Any 
> help on this would be appreciated!

You should be able to do it by chaining - because if I understand what 
you want, you want to share data between threads.  I think that will 
work - I'll have to go stare at things again, but I'd look into that 
first before doing anything fancy.


> Niall
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Geir Magnusson Jr                                   203-247-1713(m)

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