[rules-dev] Valid or not valid: 1 < foo < 10?

[Mark Proctor]

On 07/02/2012 08:49, Wolfgang Laun wrote:
> Developers:
>
> it would be *very nice* to have a clarifying statement as to whether
> the triplex relational expression is valid or not, so that a proper
> issue might be raised.
I discussed this with edson, he spat out his corn flakes and said it 
would be a cold day in hell before he adds that request :)
>
> Status in 5.3.0: accepted by the DRL parser and resulting in unknown semantics.
We'll tighten that to correctly report an error for next 5.4 release.

Mark
>
> Thanks
> Wolfgang
>
>
>
> ---------- Forwarded message ----------
> From: "Welsh, Armand"<AWelsh at statestreet.com>
> Date: Mon, 6 Feb 2012 23:18:08 +0000
> Subject: Re: [rules-users] How to write rules in two fact's fields?
> To: Rules Users List<rules-users at lists.jboss.org>
>
> The Drools documentation states that the left side of any binding
> pattern of any conditional element must be a read-only property of the
> element (or nested property).  As such you must rewrite your rule.
>
> Try this:
>
> 	rule "rule_Name"
> 	    when
> 	        per: Person(age>= 50&&  <  100, income>= 10000&&  <  50000,
> occupation == "Business", category == "Military", location ==
> "Bangalore", custype == "Individual")
> 	        pri: Price((price>= 20&&  <  30) || price == 1)
> 	    then
> 	        System.out.println("Success");
> 	end
>
> -----Original Message-----
> From: rules-users-bounces at lists.jboss.org
> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of shanmuga
> Sent: Sunday, February 05, 2012 3:33 AM
> To: rules-users at lists.jboss.org
> Subject: [rules-users] How to write rules in two fact's fields?
>
> Hi,
>     I want to know, how to write rules in two fact's fields?
>
> I used two facts, it will take AND condition or OR condition in between the
> two facts.
>
> Please check my code....
>
> package Project
> import com.sample.Person;
> import com.sample.Price;
> 	
> 	rule "rule_Name"
> 	    when
> 	        per:*Person*(50<= age<  100, 10000<= income<  50000, occupation
> == "Business", category == "Military", location == "Bangalore", custype ==
> "Individual")
> 	        pri:*Price*((20<= price<  30) || price == 1)
> 	    then
> 	        System.out.println("Success");
> 	end
>
>
> The both fact values are satisfy means, what is the output?
>
> I got output, even the *Price* fact's value is wrong. (price == 100)
>
> Please slove my problem........!!!!
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/How-to-write-rules-in-two-fact-s-fields-tp3717063p3717063.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
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