[rules-users] Using count()

[Mark Proctor]

Sounds like what you really want is collect
$tickets : ArrayList( $i : size ) from collect( Ticket(status == 
"Escalate", customer == customer ) )

Mark
tom at bergstein-soraic.de wrote:
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> Thank you, Mark.
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> I guess I succeeded with your hint using following rule:
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> rule "Test some counting"
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>       no-loop true
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>       when
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>   &nb sp;         customer : Customer()
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>             $i : Number( intValue > 5 )
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>           from accumulate( $t : Ticket(status == "Escalate", customer 
> == customer ), count( $t ))      &! nbsp;     
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>       then
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>      
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>      ;  System.out.println( "Num : " + $i + " " + customer );
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>            
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> end
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> This there any way to get access to the counted Tickets in the "then" 
> part? Do I have to perfrom a query?
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> ---- Mark wrote: ------ 
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> look at hte Shopping Example, I use sum() there, but the concept is 
> the same:
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> rule "determine 10% discount if total purcahses is over 100"           
>     no-loop tr! ue   
>     when
>   &n bsp;     $c : Customer()
>         $i : Double(doubleValue  > 100) from accumulate ( Purchase( 
> customer == $c, $price : product.price ),
>                                                                     
> sum( $price ) )
>     then
>           $c.setDiscount( 10 );
>         insertLogical( new Discount($c, 10) );   
> end
>
> Mark
> tom at bergstein-soraic.de wrote:
>> Does anybody have a good example about using count()?
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