[rules-users] Smart Templates

Wed Jun 1 12:29:25 EDT 2011

You just add it to the template file as "header text".

Have you read the documentation on templates? Which version?

-W

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

> Ok, thanks, but how do I do that in a template?
>
>  ------------------------------
> *From:* Wolfgang Laun-2 [via Drools] [mailto:[hidden email]<http://user/SendEmail.jtp?type=node&node=3011115&i=0>]
>
> *Sent:* 01 June 2011 15:46
> *To:* Mullard, Christopher
> *Subject:* Re: [rules-users] Smart Templates
>
> In the Drools Expert manual, search for
> "And, finally, here is an example of Import, Variables and Functions."
>
> The figure below shows cells from a spreadsheet.
> -W
>
> 2011/6/1 ChrisMu <[hidden email]<http://user/SendEmail.jtp?type=node&node=3011098&i=0>
> >
>
>> Sorry - you're losing me - could you give an example please?
>>
>> Thanks
>>
>>  ------------------------------
>>  *From:* Wolfgang Laun-2 [via Drools] [mailto:[hidden email]<http://user/SendEmail.jtp?type=node&node=3011008&i=0>]
>>
>> *Sent:* 01 June 2011 15:25
>>
>> *To:* Mullard, Christopher
>> *Subject:* Re: [rules-users] Smart Templates
>>
>>  It's just like a Java static method. Call JAva code if you don't want to
>> put it all into DRL function, or import from Java in the first place. Both
>> "import" and "function" can be used in spreadsheets.
>> -W
>>
>>
>> 2011/6/1 ChrisMu <[hidden email]<http://user/SendEmail.jtp?type=node&node=3010989&i=0>
>> >
>>
>>  Agreed, but this was just an example - if the function required
>>> something more complicated - say a DB lookup, could it be done?
>>>
>>>  ------------------------------
>>> *From:* Wolfgang Laun-2 [via Drools] [mailto:[hidden email]<http://user/SendEmail.jtp?type=node&node=3010490&i=0>]
>>>
>>> *Sent:* 01 June 2011 12:40
>>> *To:* Mullard, Christopher
>>> *Subject:* Re: [rules-users] Smart Templates
>>>
>>> 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 <[hidden email]<http://user/SendEmail.jtp?type=node&node=3010275&i=0>
>>> >
>>>
>>>> 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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