[rules-users] Guvnor Rule Validation

[Toni Rikkola]

> I've had thoughts about putting each rule in it's own package, and then
> creating a layer in my code to hide this from the user. But that seems like
> a hack.. and I suspect it would drastically effect the performance.. 


This is actually pretty close to what Guvnor does if you click "Validate" in the editors. The reason is that we don't want to compile a full rule base for each click of validate. You can reuse the codes we use for validation. 

^ That is how Guvnor 5.x and older Guvnor's work. In Drools workbench 6.0 (=Guvnor 6.0) the validate feature will most likely use incremental builds. 

Toni


On Jun 10, 2013, at 1:41 PM, rjr201 wrote:

> I'm creating a system which embeds the Guvnor Guided Editor and uses the REST
> API to allow the user to edit and create rules. 
> 
> I can't trust the user to create syntactically correct rules. If they do
> create an invalid rule then the whole package of rules will fail to compile.
> I need to find a way to detect that a individual rule has broken, and point
> the user to that rule. So they don't just sit there not understanding why
> it's not working. 
> 
> I can see that when using standalone Guvnor this wouldn't be a problem, as
> the user would be able to see that the rule has a red cross next to it
> meaning something is wrong with that rule. 
> 
> Has anyone else had experience doing this? Is there a way to get the UUID of
> the specific rule that is causing the package not to compile?
> 
> I've had thoughts about putting each rule in it's own package, and then
> creating a layer in my code to hide this from the user. But that seems like
> a hack.. and I suspect it would drastically effect the performance.. 
> 
> As always, thanks any help/advice anyone can give. 
> 
> 
> 
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