[rules-dev] Parameters in DROOLS Queries?

[Edson Tirelli]

   Meanwhile, you can work around that using globals to set your 
parameters and referencing the globals in your queries. Not ideal, but 
while we don't have a better way, it may work.

   []s
   Edson

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 
> <mailto: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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-- 
 Edson Tirelli
 Software Engineer - JBoss Rules Core Developer
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