[rules-users] eval in DSL

[Saleem Lakhani]

Here are the details:

 

This is how my rule looks like:

 

//Imports for TO and MathHelper

 

global com.h.MathHelper math;

 

rule "Coverage must equal 20% of Coverage C"

      auto-focus true

      agenda-group "C"

      when

            Coverage information exists

            Coverage is not equal to "20" percent of Coverage C

      then

            do something

end

 

[when]There is a Coverage with=covTO : CovTO()

[when]Coverage is not equal to "{value}" percent of Coverage
A=eval(math.calculatePercentage(coveTO.getCoverage(), covTO.getD()) !=
"{value}")

 

Error: Unable to expand: Coverage is not equal to "20" percent of
Coverage C[34,2]: [ERR 101] Line 34:2 no viable alternative at input
'Coverage' in rule "Coverage must equal 20% of Coverage C"[34,20]: [ERR
101] Line 34:20 no viable alternative at input 'equal' in rule "Coverage
must equal 20% of Coverage C"

 

Thanks,

saleem

 

From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Wolfgang Laun
Sent: Thursday, March 10, 2011 12:42 PM
To: Rules Users List
Subject: Re: [rules-users] eval in DSL

 

Can't help you - not enough context. 
* What's the error?
* How is it used, especially preceding [when] clauses, where covTO ought
to get defined
-W

2011/3/10 Saleem Lakhani <Saleem.Lakhani at citizensfla.com>

How do we get this done in Drools 5.2.1:

 

[when]Cov is not equal to "{value}" percent of Coverage A =
eval(math.calculatePercentages(covTO.getCoverage(), covTO.getD()) !=
{value})

 

This used to compile in Drools  3.

 

Thanks

saleem

 


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