[rules-users] For each loop in drools

[Tina Vießmann]

Ok, I know what my problem is. Some mails ago I've asked about a problem 
using a generic set. Because defining a generic set inside a DRL file 
doesn't work, I'm using a non-generic set. And because of that the 
object is of the type Object and not of the type ParameterValue. So I 
have to make a cast.
Sorry for bothering you. :-/

Thanks anyone! :)

Tina

> Yeah, I think using a normal for loop is better. I just came up with 
> the question because I wanted to use a for-each-loop in a simple 
> exercise-scenario, because it's a bit faster to write...
>
> Anyway, what I wanted to do is:
>
>     for (Value value : $eventSet) {
>         // raise hell
>     }
>
> Thats where I get the type mismatch.
>
>
> Thanks :)
> Tina
>
>
>> E.g., Joshua Bloch, "Effective Java", Item 46: Prefer *for-each 
>> loops* to traditional for loops. Plain old Java.
>> -W
>>
>> 2010/8/12 Mauricio Salatino <salaboy at gmail.com 
>> <mailto:salaboy at gmail.com>>
>>
>>     Probably I misread the question.. I thought that Tina was asking
>>     about for each loops in Drools Flow.
>>     If not where are you using for each??
>>     A java for each each node in the RHS?
>>
>>     Greetings.
>>
>>     2010/8/12 Wolfgang Laun <wolfgang.laun at gmail.com
>>     <mailto:wolfgang.laun at gmail.com>>
>>
>>         I'm not sure whether you and Salboy are on the same
>>         wavelength. Tina, please do provide more
>>         details where and what you want to for-each-loop. Guessing is
>>         a waste of time...
>>         -W
>>
>>         2010/8/12 Tina Vießmann <tviessmann at stud.hs-bremen.de
>>         <mailto:tviessmann at stud.hs-bremen.de>>
>>
>>             Oh, do I need a loop xml definition? Good to know. -.-
>>
>>             Could  you give me a link with a good explanation/example
>>             about how to do this?
>>
>>             Thanks :)
>>
>>             Tina
>>
>>
>>>             The for each loop in Drools Flow recieves a list of
>>>             objects to iterate over it.
>>>             Can you share your loop xml definition? and can you
>>>             check that the variable that it's using is a list?
>>>
>>>
>>>             On Thu, Aug 12, 2010 at 1:08 PM, Tina Vießmann
>>>             <tviessmann at stud.hs-bremen.de
>>>             <mailto:tviessmann at stud.hs-bremen.de>> wrote:
>>>
>>>                 Hi,
>>>
>>>                 is it possible to use the for each loop in Drools?
>>>                 The engine grouses a type mismatch : cannot convert
>>>                 from element type
>>>                 Object to Value
>>>
>>>                 Thanks :)
>>>                 Tina
>>>                 _______________________________________________
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>>>
>>>
>>>
>>>             -- 
>>>              - CTO @ http://www.plugtree.com
>>>              - MyJourney @ http://salaboy.wordpress.com
>>>              - Co-Founder @ http://www.jbug.com.ar
>>>
>>>              - Salatino "Salaboy" Mauricio -
>>>
>>
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>>
>>     -- 
>>      - CTO @ http://www.plugtree.com
>>      - MyJourney @ http://salaboy.wordpress.com
>>      - Co-Founder @ http://www.jbug.com.ar
>>
>>      - Salatino "Salaboy" Mauricio -
>>
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