Don't you fret because this isn't available. It's not difficult to collect facts over a variable interval, provided the timestamp is a regular property. An auxiliary fact defines the window's boundaries, and then you use ops like <= to select the facts. -W
On 1 March 2012 17:25, Lauer, Will C <will.la...@ca.com> wrote: > I'm evaluating the use of Drools Fusion for a new project and have a > question about sliding windows that wasn't clear from the documentation. > Does the time specification in a sliding window need to be hardcoded in the > rule, or can it be derived from something else? Basically, I'm wondering > whether I can write a rule that looks something like > > when > ... > Window ($win : length) > Number (intValue > $someValue) from accumulate ( > Sample($len: length, value > $someThreashold) over > window:time ($win), > sum($len) ) > then > ... > end > > I know window:time() supports constant values like "10m", but can the > window be driven from one of the other facts in the LHS picked up by the > LHS of the rule? > > > Will Lauer > CA Technologies > Sr Software Architect > Tel: +1-713-625-9410 > Cell: +1-979-820-2210 > will.la...@ca.com > > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >
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