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From "Irving, Dave" <dave.irv...@logicacmg.com>
Subject RE: [MINA] RE: [jira] Commented: (DIRMINA-121) Per-port filter chain
Date Wed, 16 Nov 2005 11:35:14 GMT
> I took a look at the code and as far as I understand, there is really
no need to change the APIs to allow lazy copy of chains.

Sure - it would be possible to do this without changing the API at the
code level -  but the ** contract ** changes - which is really part of
the API. 
Filter implementors would not be able to cache NextFilters any more: And
if they did, things would break (and you were very worried before about
changes which would make it easier for users to break things). So if
they upgrade and don't recode their filters accordingly, they've got a
problem.
That's what I mean by "impact". 
Hopefully Trustin will get back to us with his comments on this feature
- then I'll know whether its worth me spending the time to implement the
lazy copy or not.

Dave


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