[rules-users] firing specific rule

[Mark Proctor]

Kris Verlaenen wrote:
> Sergey,
>  
> In theory you can use AgendaFilters in combination with ruleflow.  
> Note however that the agenda filter will prevent certain other 
> activations from firing.  As a result, your ruleflow could be blocked 
> somewhere by not being able to execute certain activations:
Now that we have ruleflow, maybe agendafilters should go lower down, so 
all it does is cancel the actual firing. but the before and after events 
fire, likewise any other managmenet. I think this is needed now. might 
change for trunk.
>  * An ruleflow group will only continue if all its activations have 
> been completed.  Preventing one such activation from firing (using an 
> AgendaFilter) will prevent the ruleflow group from completing and thus 
> the ruleflow from continuing.
>  * Internally, the ruleflow implementation also uses rules for 
> executing a ruleflow, like for example when evaluating conditions in a 
> split node.  You should make sure you do not block these rules from 
> executing.
>  
> Please know that using AgendaFilters like this is discouraged.  It can 
> be used for testing and debugging purposes, but you should probably 
> not use it like this in production.  There are probably other ways to 
> do what you are trying to do here.
>  
> If you really want to fire only one rule for a ruleflow group, I would 
> suggest you make your AgendaFilter more specific, so it does not block 
> rules from other ruleflow groups.  You can do this by making your own 
> implementation of an AgendaFilter, for example a 
> RuleNameInRuleFlowGroupEqualsAgendaFilter, which only blocks rules in 
> the same ruleflow group from firing if they do not have the right name.
>  
> Kris
>
>     ----- Original Message -----
>     *From:* Manukyan, Sergey <mailto:SManukyan at lear.com>
>     *To:* rules-users at lists.jboss.org
>     <mailto:rules-users at lists.jboss.org>
>     *Sent:* Wednesday, October 17, 2007 11:13 PM
>     *Subject:* [rules-users] firing specific rule
>
>     Folks,
>
>      
>
>     I have to restate the question as didn't find the answer anywhere
>     and have not get response to it in my previous email.
>
>      
>
>     Using 4.0.2.   So I have a set of rules, _each_ with a specific
>     *ruleflow-group *defined. And I have a rule flow file defined.
>     Altogether everything works fine.
>
>      
>
>     Now I need to fire a single specific rule from this rule set.
>     Using the RuleNameEqualsAgendaFilter didn't help, it didn't fire
>     the rule...
>
>      
>
>     How is it supposed to be done?
>
>      
>
>     Thanks,
>
>      
>
>     -Sergey
>
>      
>
>      
>
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