Re: [rules-users] Correlating 2 independent streams of events
Use "wrapper" or "marker" facts to identify the last three
EventA's
and a rule to "push" EventA's through these markers. Then, a simple
rule will give you all EventBs between the extremes of the marker set.
Take care to get the start-up right ;-)
-W
On 07/01/2013, Esteban Aliverti <esteban.aliverti(a)gmail.com> wrote:
Let's say I have two independent streams of different events:
EventA and
EventB. Which is the best way to get all the occurrences of EventB that
happened between the last 3 occurrences of EventA?
For example:
from:
$b1:EventB, $a1:EventA, $b2:EventB, $b3:EventB, $a2:EventA,
$b4:EventB, $b5:EventB, $a3:EventA, $b6:EventB
I would like to get $b2, $b3, $b4, $b5
Best Regards,
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Esteban Aliverti
- Blog @ http://ilesteban.wordpress.com