[rules-users] One rule calling another rule

[Wolfgang Laun]

As for not duplicating RHS code: There's DRL functions, which (when
returning void) can play the role of old-fashioned procedures.
-W

2011/7/9 Greg Barton <greg_barton at yahoo.com>

> Rules do not "call" other rules.  A rule can change the value of an object
> in working memory, and if another rule is triggered by that change (it's
> conditions are matched) then that other rule could fire.  This is done
> without calling the subsequent rule directly.  You do need to notify the
> rule engine that the object has changed, though, and that's done in Drools
> using the update or modify statements in the action portion of the rule.
>
>
> http://docs.jboss.org/drools/release/5.2.0.Final/drools-expert-docs/html_single/index.html#d0e5906
>
>
> --- On *Sat, 7/9/11, Roger Smith <rogersmith1711 at gmail.com>* wrote:
>
>
> From: Roger Smith <rogersmith1711 at gmail.com>
> Subject: [rules-users] One rule calling another rule
> To: "Rules Users List" <rules-users at lists.jboss.org>
> Date: Saturday, July 9, 2011, 12:27 AM
>
>
> I am involved in a project in which one rule needs to call another
> re-usable rule. Have anyone had experience using Drools to support such
> cascaded rules? If yes, any pointers as to how to do it?
>
> Roger
>
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