[rules-users] Drools Flow Trigger process by ruleset

[Garrett Conaty]

Kris,

Thanks for the advice on this.  Is it possible for the constraint of  
type 'rule' to be a link to an existing rule?  This would preserve all  
the goodness of being able to be viewed by analysts in Guvnor, use  
DSLs, etc.

Alternatively, as you mentioned that internally Drools, translates  
this form to my 2nd option, is there an example that shows a rule with  
the RHS starting the process?

Thanks,
Garrett

On Mar 2, 2009, at 5:34 AM, Kris Verlaenen wrote:

> Garrett,
>
> The 3rd option you describe is currently possible in the core  
> engine, however support has not yet been added to the graphical  
> designer for this. You can however manually add it in the XML  
> directly for now.  If you look at the XSD it should look something  
> like this:
>
> <start id="1" name="Start" >
> <triggers>
>   <trigger type="constraint" >
>     <constraint type="rule" dialect="mvel" >p:Person()</constraint>
>     <mapping type="in" from="p.getName()" to="SomeVar" />
>     <mapping type="in" from="&quot;SomeString&quot;"  
> to="SomeOtherVar" />
>   </trigger>
> </triggers>
> </start>
>
> As you can see you can also specify additional parameters (that are  
> passed in as variables to the process instance), either by relating  
> them to a parameter of the rule or by specifying an explicit value.
>
> Note that it is internally simply translated to your 2nd option.
>
> We'll try to add the editor for this property for the Drools. 
> 5.0.0.GA release.
>
> Kris
>
> ----- Original Message ----- From: "Garrett Conaty" <garrett at conaty.net 
> >
> To: "Rules Users List" <rules-users at lists.jboss.org>
> Sent: Saturday, February 28, 2009 2:51 AM
> Subject: [rules-users] Drools Flow Trigger process by ruleset
>
>
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