[rules-users] For loop inside a modify block problem

[Martin A]

Hello,

What I did was to move the loop inside one of the methods, because I could
not get over this strange error. Still looking what may be causing it.

Regards,
Martin

2012/1/11 Swindells, Thomas <TSwindells at nds.com>

>  ** **
>
> ** **
>
> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Mark Proctor
> *Sent:* 11 January 2012 15:27
> *To:* rules-users at lists.jboss.org
>
> *Subject:* Re: [rules-users] For loop inside a modify block problem****
>
>  ** **
>
> Why no braces after SomeBusinessLogic?
>
>
> Also your logic is wrong there. Item is not a collection so your for loop
> is repeating the same action over and over again for the same data.****
>
> *[Swindells, Thomas] It does look like that but it depends what the
> action is. Perhaps it is integrating with a rubbish stock system which can
> only remove one item at a time, to remove n identical items you have to
> call it n times.*
>
>
>
> Mark
>
> On 11/01/2012 09:27, Martin A wrote: ****
>
> Hi, Davide, ****
>
> ** **
>
> Here is how my rule looks like :****
>
> ** **
>
> when****
>
>     $item : Item(param1 != 0, param2 == 0, !(this instanceof SpecialItem))
> ****
>
>     $gsc : SomeBusinessLogic****
>
> then ****
>
>     $gsc.doSomething($item.id);****
>
>     for (int i = 0; i < $item.quantity; i++) {
>         $gsc.doSomethingElse($item.id);
>     }
>     update($gsc);****
>
> end****
>
> ** **
>
> The above snippet throws an error @ i < $item.quantity, and says 'no such
> identifier $item'...****
>
> I can't figure out what might be causing this.****
>
> ** **
>
> Thanks****
>
> ** **
>
> On Tue, Jan 10, 2012 at 10:08 PM, Davide Sottara <dsotty at gmail.com> wrote:
> ****
>
> Did you remember to bind $item to some expression in the LHS ? Maybe you
> just
> called that "item" without the $ :)
> Davide
>
> (the original "modify" syntax is still wrong anyway)
>
> --
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> Sent from the Drools: User forum mailing list archive at Nabble.com.****
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