[rules-dev] Parameters in DROOLS Queries?

Phil DiBona pdibona at atl.lmco.com
Tue Feb 27 17:11:48 EST 2007


Thanks for the response.  Could you send (or point me to) a set of  
examples that illustrate this query pattern?

Thanks,
Phil

On Feb 27, 2007, at 4:18 PM, Michael Neale wrote:

> not at the moment - you can kind of achieve this by adding some  
> extra patterns for the queries that act as parameters.
>
> This is at least the second time we have had this request - Mark  
> when did we decide we would do this? I am not sure if it will be  
> for 3.2, but we will do it sooner or later, I remember that much.
>
> On 2/28/07, Phil DiBona <pdibona at atl.lmco.com > wrote:
>
>
> I would like to create a DROOLS Query that allows parameters to be
> passed in from the Java side. This would allow me to easily filter
> the query results without changing the query itself. Other rule
> engines (e.g., JESS) can parameterize queries and this is a very
> powerful feature.
>
> But can DROOLS provide parameters to its queries? Or is there some
> design "pattern" or rule-of-thumb I should use to filter query  
> results?
>
> Thanks,
> Phil
>
>
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