Re: [rules-users] Testing the count of a pattern binding variable
Yes, I was just wondering if I could use a pattern binding variable
instead of a pattern. I guess I cannot. David
David R Robison
Open Roads Consulting, Inc.
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On 2/19/2013 7:02 AM, Wolfgang Laun wrote:
There's a minor problem with the syntax
On 19/02/2013, Stephen Masters <stephen.masters(a)me.com> wrote:
> Assuming that you don't have an infinite variety of accumulations you're
> trying to use, something I have done previously is to create DRL technical
> rule to generate accumulated values, which the DSL then uses as
> constraints.
>
> i.e.
>
> rule "Generate sensor counts"
> when
> $sensor : Sensor()
> accumulate($sensor; $count:count(1); $count >3)
// need a Pattern up front, not a binding variable
accumulate( Sensor(); $count:count(1); $count >3)
> then
> insert(new SensorCount($count));
// it might be necessary to write
insert( new SensorCount( $count.intValue() ) );
What was the original problem? ;-)
-W
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