[rules-users] Accumulate + Temporal Operators

[Greg Barton]

Do your Foo and Bar events declare an @expires value?  If their expiration is less than 10 seconds then the rule below won't work properly. (And by default an event's expiration is 0, which makes the rule below go wacky if @expires hasn't been declared...)  If the @expires is 10s or greater for both events it should work.

--- On Thu, 1/14/10, Paul R. <reverselogic at gmail.com> wrote:

> From: Paul R. <reverselogic at gmail.com>
> Subject: [rules-users] Accumulate + Temporal Operators
> To: rules-users at lists.jboss.org
> Date: Thursday, January 14, 2010, 1:56 PM
> Hi,
> 
> I'm using accumulate with sliding windows to verify
> that certain event conditions are present for a specified
> period of time, which works fine, however
> I need to verify that both conditions are present at the
> same time, i.e Foo.value > 1 for 10 seconds and Bar.value
> < 1 for 10 seconds. There doesn't
> 
> appear to be an obvious way to use the temporal operators
> in this situation. Can anybody offer any suggestions?
> 
>     rule test no-loop true
>     when
>         $f : Double(doubleValue > 1.0) from
> accumulate( Foo($v : value) over window:time ( 10s )
> 
>             from entry-point EntryPoint,
> min($v))
>         $b : Double(doubleValue < 1.0) from
> accumulate( Bar($v : value) over window:time ( 10s )
>             from entry-point EntryPoint,
> max($v))
>     then
> 
>         // ...
>     end
>     
> Any help greatly appreciated.
> 
> Thanks,
> 
> Paul
> 
> 
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