[rules-users] Guvnor service to compile part of a package ?

[Vincent LEGENDRE]

Ok, thanks

I had a look to this, and indeed you can query indiviual resource, or get a list of resources in one package.
But If i understand well you idea, it is still necessary to compile manually some package using filters, and put then into separate snapshots by instance.

I think it is really close to what I need, but I need to provide the filter in a query to get filtered assets (results got from REST query looses the Guvnor metadata, it only returns asset's content). 
Something like this would be perfect :
   http://localhost:8080/path/to/guvnor/api/packages/my.sample.package?category=foo&category=bar&status=prod
-> return the list of assert having categories "foo" and "bar" and status set to "prod"

I am not familiar with feeds, but the last XML sample of your link seems to allow some filtering ? Or is it just metadata set in the package ? Or it is possible to create feed with filtered assets, and then query them (that would be perfect too).


Otherwise I think I di have to write my own servlet doing that (like Michael suggests), or find another solution.



----- Mail original -----
De: "Jervis Liu" <jliu at redhat.com>
À: rules-users at lists.jboss.org
Envoyé: Jeudi 5 Mai 2011 04:48:45
Objet: Re: [rules-users] Guvnor service to compile part of a package ?

On 2011/5/4 22:57, Vincent Legendre wrote:
> Hi all,
>
> I am looking for a clever way to compile only parts of a Guvnor package
> according to some criteria on items (categories, metadata ...), but
> outside Guvnor if possible.
> The main idea starts by the fact that it is a little bit complex for a
> business user to manage packages and compilations, and even more if he
> has to manage conditional compilations (using selectors) of a single
> package to produce multiple KB compiled according to business criterions.
>
> I want to compile automatically some KB according to categories (more
> generally asset's fields) with something external to Guvnor. Thus I need
> a way to query Guvnor repository with criterion to get either :
>       - the corresponding ressources (DRL)
>       - the filtered compiled KB (PKG ressource)
> Filtering with DRL (like custom selectors in Guvnor) will be perfect,
> using a custom class too.
>
> Is there such service ?
> Does the KnowledgeAgent allow filtering (did not see anything in docs) ?
Not sure about KnowledgeAgent, I ll leave this question to someone more 
familiar with KnowledgeAgent. At the same time, you can probably use 
Guvnor REST service to achieve same goal. Check this example: 
http://community.jboss.org/wiki/PublishDroolsartifactsfromaproductionenvironment. 
This example polls package feed periodically to check if there is a new 
version of package available. If there is a new version created, it will 
download the package compiled binary. Package binary is compiled against 
selectors, so it is filtered as you need.

Cheers,
Jervis





> Or do I need to add a new service in Guvnor war directly ?
>
> Thanks!
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> rules-users at lists.jboss.org
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