That's why I wrote "don't be hasty" ;-) accumulate is generic right now: You can code the steps explicitly, or you can plug in your own accumulate function. Writing "lower" and "upper" for Comparable (or Date) is a matter of 100 LOC each.
-W 2011/3/25 Greg Barton <[email protected]> > Which is why I prefaced with "if it can work that way..." A JIRA can be for > feature requests, and that's what this would be. Whether just adding a > Comparable based accumulate function is the solution, or making accumulate > generic like "from" is now, a JIRA does not have to specify the solution, > just the request. > > GreG > > On Mar 25, 2011, at 4:22, Wolfgang Laun <[email protected]> wrote: > > Now don't be hasty with a JIRA. Using Comparable for the arguments of the > min and max accumulate functions will give you a result that is -- > Comparable. So: > > > $min: Comparable() from accumulate( Schedule( $d: date ), min( $d ) ) > > OK, this will give you the minimum data, bound to $min, although it won't > let you write any constraint for the "Comparable" result fact. But, what's > worse, it will not let you write > > $min: Number( intValue > 100 ) from accumulate( X( $y: y ), min( $y ) ) > > > any more (unless I'm very much mistaken). > > -W > > > > On 25 March 2011 03:56, Greg Barton < <[email protected]> > [email protected]> wrote: > >> Well, if it can work that way it should. I'd say open a JIRA and request >> that feature. It works with the "principle of least confusion." :) >> >> --- On Thu, 3/24/11, jkrupka < <[email protected]>[email protected]> >> wrote: >> >> > From: jkrupka < <[email protected]>[email protected]> >> > Subject: Re: [rules-users] accumulate min over java.util.Date >> > To: <[email protected]>[email protected] >> > Date: Thursday, March 24, 2011, 8:26 PM >> > Yea the docs weren't really clear >> > about it, so I just thought it would work >> > for anything that implemented Comparable =) >> > >> > Yep, used the long from getTime() - not the prettiest way >> > of doing it, but >> > it works great. >> > >> > Thanks! >> > >> > -- >> > View this message in context: >> <http://drools-java-rules-engine.46999.n3.nabble.com/accumulate-min-over-java-util-Date-tp2726081p2728477.html> >> http://drools-java-rules-engine.46999.n3.nabble.com/accumulate-min-over-java-util-Date-tp2726081p2728477.html >> >> > Sent from the Drools - User mailing list archive at >> > Nabble.com. >> > _______________________________________________ >> > rules-users mailing list >> > <[email protected]>[email protected] >> > <https://lists.jboss.org/mailman/listinfo/rules-users> >> https://lists.jboss.org/mailman/listinfo/rules-users >> > >> >> >> >> _______________________________________________ >> rules-users mailing list >> <[email protected]>[email protected] >> <https://lists.jboss.org/mailman/listinfo/rules-users> >> https://lists.jboss.org/mailman/listinfo/rules-users >> > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > >
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