I can confirm (using 5.3.0) that after
advance the clock to 1
insert an event with timestamp 1,
advance the clock to 3
insert another one with timestamp 3
advance the clock to 4
fire all rules
a rule with
Event() over window:time( 2s )
will fire twice (2 times). There is no difference between STREAM and CLOUD mode.
Indeed, the documentation (Fusion, 2.6.1, Sliding Time Windows)
appears to tell another story: "Sliding Time Windows allow the user
to write rules that will only match events occurring in the last X
time units." This is quite explicit.
Also, please note that firing all rules after each insertion produces
the expected results; the rule firings at T=3 and T=4 show only one
event in the window.
Even more surprisingly, running a rule that collects over a sliding
window works as intuitively expected:
$l: List() from collect( Event() over window:time( 2s ) )
Here the List will never contain more than one element, even when the
simple pattern (shown above) fires twice.
-W
On 28/02/2012, Hassan <azbak...@gmail.com> wrote:
> Hi guys,
>
> While trying to understand how slinding window work, I realize that all
> exemples are given with "accumulate" or "collect" functions , I din't know
> why ??
>
> $a : List() from collect(Event1() over window:time(2s) from entry-point
> "point")
> // work
>
>
> Bur why
>
> $a : Event1() over window:time(2s) from entry-point "point")
>
>
> doesn't work ??!
>
> Thanks,
> Youssef AZBAKH
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/Slinding-window-tp3783772p3783772.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
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