[rules-users] Assistance with DSL syntax

[Anstis, Michael (M.)]

I think there was an API change for 4.0.x - "retract" became
"retractObject".


________________________________

	From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of
Christopher.Mathrusse at sybase.com
	Sent: 13 September 2007 02:18
	To: Rules Users List
	Subject: Re: [rules-users] Assistance with DSL syntax
	
	

	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 
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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
<mailto:Christopher.Mathrusse at sybase.com>
<Christopher.Mathrusse at sybase.com
<mailto: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 
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