[rules-users] Smart Templates

[Wolfgang Laun]

If there are just 2 types (IRDELTA, COMLEASEDELTA) you can add a function
that computes this from the 3-letter name.
-W


2011/6/1 ChrisMu <christopher.mullard at credit-suisse.com>

> Possibly. Let me try again with what I'm trying to achieve.
> Given this excerpt from a decision table:
>
>
> Basically I want to be able to specify a template that says 'If Arg0 is a
> currency, output RiskType IRDELTA (and currency), if Arg0 is a commodity
> (begins with 'X') then output RiskType COMLEASEDELTA (and commodity).
>
> When fed with data, this would generate the rules:
>
> when Arg0 = USD, output RiskType IRDELTA, USD
> when Arg0 = GBP, output RiskType IRDELTA, GBP
> etc
> when Arg0 = XAU, output RiskType COMLEASEDELTA, XAU
> etc
>
> In this way theRiskType name is inferred from the data when the rules are
> generated. It can be done by explicitly stating all possible combinations as
> in the decision table above but that gets tedious quickly. I wanted to have
> a more general template that could generate all the specific rules
> instances.
>
> Does that make more sense?
>
> Thanks
> Chris
>
>
>  ------------------------------
> *From:* Wolfgang Laun-2 [via Drools] [mailto:[hidden email]<http://user/SendEmail.jtp?type=node&node=3010119&i=0>]
>
> *Sent:* 01 June 2011 11:21
> *To:* Mullard, Christopher
> *Subject:* Re: [rules-users] Smart Templates
>
> I don't want to confuse you, but have you considered *not *using templates
> at all? If you can generate N rules from N objects containing different
> literals for matching a fact or for updating a fact field, then you can
> achieve the same thing with a single rule *and additional facts containing
> those literal values.*
>
> rule "one 4 all"
> when
> Â Â  Service( $name: name, $value: value )
> Â Â  $sb: ServiceBean( name == $name, value == $value )
> then
> Â Â  # RiskType ... is what?
> Â Â  ...$value..., ...$sb.getType()...
> end
>
> -W
>
>
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