Working in the web dev world, I'm fairly used to systems offering ways
to cache data for a period of time to improve performance - to reduce
database traffic, to reduce complex data manipulation. The pattern is
pretty much always:
if ( thing not in cache ) {
do expensive calculation / data loading
put thing in cache for X minutes
}
get thing from cache (and return it or do something to it)
Since memoize seems to be 'forever' and caching in general smells of
mutable state, I wondered how folks are tackling this sort of thing in
Clojure? Are you simply dropping down to Java libraries and being
'non-functional' or is there some more idiomatic approach available?
--
Sean A Corfield -- (904) 302-SEAN
Railo Technologies, Inc. -- http://getrailo.com/
An Architect's View -- http://corfield.org/
"If you're not annoying somebody, you're not really alive."
-- Margaret Atwood
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