On Fri, 2005-01-07 at 11:34 -0800, Doug Cutting wrote:
> It's usually pretty easy to replace fields that must be synchronized
> with ThreadLocals in order to make a class re-entrant.  Perhaps we
> should do this to RegexURLFilter?

Nitpick --- as far as I know, ThreadLocals don't make things re-entrant,
only thread-safe, which is a strictly weaker property.  RegexURLFilter
probably doesn't need to be re-entrant, because it's not very likely
that it's going to call some client-provided code in the middle of
filtering a URL and have that client-provided code call RegexURLFilter
again --- right?

I'd hate to have to argue with someone who thinks ThreadLocals make
things re-entrant in some context where re-entrancy matters, having
gotten the idea from a trusted source.


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