[jbosscache-dev] Let's make 3.0 backwards compatible

[Jason T. Greene]

Manik Surtani wrote:
> On 26 Aug 2008, at 01:02, Jason T. Greene wrote:
> 
>> Btw, switching InvocationContext from a class to an interface is 
>> compile-time compatible, but it's not binary compatible. Something to 
>> think about...
> 
> Hmm yes, this could be a tough one.  Most of the other places where 
> interfaces were introduced were internal stuff, so it wouldn't make a 
> difference - InvocationContext is exposed though.  The interface is 
> needed though to be able to provide different behaviour for different 
> locking schemes.  Perhaps making it an abstract class instead will have 
> to be the way to go.  Ugly, but ...
> 

Yeah, abstract class would fix the problem, and doesn't really have any 
drawbacks. It's not as flexible as an interface, but the hierarchy for 
locking models is fixed.

-- 
Jason T. Greene
JBoss, a division of Red Hat