[rules-users] Assistance with DSL syntax

[Edson Tirelli]

    No, you need to identify which object are you trying to retract, since
you may have multiple facts constrained in the LHS.

    Regarding your problem, make sure your rules file has the extension
".dslr" so that eclipse selects the correct editor when opening the file.
Then click in the DRL preview in the editor bottom tab. Can you please show
me the result of the DRL preview?

    Thanks
     Edson

2007/9/12, Christopher.Mathrusse at sybase.com <
Christopher.Mathrusse at sybase.com>:
>
>
> I was just looking for a more "short hand" syntax, one where I would not
> need to declare *"theOrder".*
>
> On the same subject though, I compiled my rules with the DRL/DSL editors
> in Eclipse (very nice by the way) and I am getting a compilation error being
> caused by my DSL entry:
>
> [consequence][]Manually release the Order=setManualRelease(drools.getRule
> ().getName());*retract(theOrder);*
>
>
> It seems that there is an issue with the *retract(theOrder);*statement.
>
> *The method retract(Order) is undefined for the type
> Rule_Maximum_Order_Amount_Exceeded_0        *
>
> Might you have any idea as to why this would be occurring or exactly what
> the message is meaning?
>
> Thanks for the help...
>
>
>
>
>  *"Edson Tirelli" <tirelli at post.com>*
> Sent by: rules-users-bounces at lists.jboss.org
>
> 09/12/2007 05:55 PM  Please respond to
> Rules Users List <rules-users at lists.jboss.org>
>
>   To
> "Rules Users List" <rules-users at lists.jboss.org>  cc
>
>  Subject
> Re: [rules-users] Assistance with DSL syntax
>
>
>
>
>
>
>
>   Yes, that is correct.
>   Why do you mean by a "cleaner" way?
>
>    []s
>    Edson
>
> 2007/9/12, *Christopher.Mathrusse at sybase.com *<Christopher.Mathrusse at sybase.com>
> <*Christopher.Mathrusse at sybase.com* <Christopher.Mathrusse at sybase.com>>:
>
> I'm using a DSL with my DRL file and I've read through the documentation
> but I've gotten hung-up on the syntax. Below is a rule from my DRL and the
> expansion in my DSL.
>
> My rule in the DRL: *
> rule* "Maximum Order Amount Exceeded" *
> salience* 9800
>        *when*
>                   There *is* an Order *with*
>                   - an amount that exceeds 100000
>        *then*
>                Manually release the Order
>                *
> end*
>
>
> My DSL:
> [condition][]There is an Order with=Order()
> [condition][]- an amount that exceeds {number}=amount >= {number}
> [consequence][]Manually release the Order=setManualRelease(drools.getRule
> ().getName());
>
> What I would like to do is add to my consequence the following in red:
> [consequence][]Manually release the Order=setManualRelease(drools.getRule
> ().getName());*retract(theOrder);*
>
>
> I know that I would need to modify my condition statement to be able to
> use the variable *theOrder*  in my call to retract:
> [condition][]There is an Order with=*theOrder *: Order()
>
>
> but is there a cleaner way to achieve this?
>
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>
>
>
>
> --
>  Edson Tirelli
>  Software Engineer - JBoss Rules Core Developer
>  Office: +55 11 3529-6000
>  Mobile: +55 11 9287-5646
>   JBoss, a division of Red Hat @ *www.jboss.com* <http://www.jboss.com/>
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>


-- 
  Edson Tirelli
  Software Engineer - JBoss Rules Core Developer
  Office: +55 11 3529-6000
  Mobile: +55 11 9287-5646
  JBoss, a division of Red Hat @ www.jboss.com
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