[rules-users] How to create a drl file or decision table dynamically?

Leonardo Gomes leonardo.f.gomes at gmail.com
Fri Feb 24 11:48:28 EST 2012


Hi Michael,

Do you have a link to the Fluent API documentation? I wanted to answer to
this question and couldn't find the link anywhere.

Thanks,
Leo.

2012/2/24 Michael Anstis <michael.anstis at gmail.com>

> Yes.
>
> If the data "defines" the rules then there are numerous options:-
>
>    - Construct a DRL String yourself and pass this to a KnowledgeBuilder
>    - Use the fluent API to build rules programmatically
>    - Construct an XLS decision table using your favourite XLS (Java) API
>    and look at drools-decisiontables
>    - Construct a Guvnor decision table using classes in
>    droolsjbpm-ide-common (bundled with Guvnor)
>
> If the data is to be plugged into place-holders in statically defined
> rules:-
>
>    - Look at the use of Drools Expert Templates
>
> Decision tables do not lend themselves well to "OR" as there is an
> implicit "AND" between columns.
>
> There might be other solutions, these are those that came readily to mind.
>
> With kind regards,
>
> Mike
>
>
> On 24 February 2012 14:31, shawn <youngxiao121 at hotmail.com> wrote:
>
>> If it is possible to create a drl file or decision table dynamically in
>> drool
>> or java?
>> Like the drool received data then create drl or decision table based on
>> the
>> data?
>> Data: Condition 1 AND Condition 2 OR Condition 3 .....
>> Can the above data be stored in the rule file which also contains the
>> operators "AND", "OR"?
>>
>>
>> --
>> View this message in context:
>> http://drools.46999.n3.nabble.com/How-to-create-a-drl-file-or-decision-table-dynamically-tp3772708p3772708.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
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>
>
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