[rules-users] From RuleAgent to KnowledgeAgent

[Luiz Eduardo Guida Valmont]

>
> a less critical part of that code
>

I meant a part of the application I'm working on, not the one that'll
generate the DRL files.

Mea culpa

On 13 April 2010 17:30, Luiz Eduardo Guida Valmont <legvalmont at gmail.com>wrote:

> Hi all,
>
> Recently I had to update part of the application I'm working so it would
> use KnowledgeAgent instead of RuleAgent. The later restricts scanned DRL
> files so that all rules from any given package must be written into only one
> file), whereas the former does not. Long story made short: an external
> application will feed my application with generated DRL's and it cannot (aka
> will not) managed a single monolithic DRL or even regenerate it every now
> and then.
>
> What happens is that I have to update (re-write?) a less critical part of
> that code which generates a list of all rules contained within a certain
> package. It has to print rules' attibutes like name, salience,
> date-effective and date-expires. On the one hand, the old code imports *
> org.drools.rule.Rule* (1), which provides getters for such properties;
> that Rule class is accessed through a chain of method calls starting at
> RuleAgent, for example:
>
> agent.getRuleBase().getPackage( /* ... */ ).getRules()[ /* ... */
>> ].getDateEffective()
>>
>
> On the other hand, when using KnowledgeAgent's, I can fetch instances of *
> org.drools.definition.rule.Rule* through a
> similar-but-effectivelly-different chain of method calls, like so:
>
> agent.getKnowledgeBase().getKnowledgePackage( /* ... */ ).getRules()
>>
>
> This one getRules returns a *Collection* of *
> org.drools.definition.rule.Rule* (2). Finally, this class does not provide
> similar methods:
>
> String getPackageName
>
> String getName
>
> Collection listMetaAttributes
>
> String getMetaAttribute
>>
>
> Hoping I've made myself clear up to this point, I ask: is it posible to
> convert an instance of (1) into an instance of (2) or is it possible to get
> instances of (1) through getters starting at KnowledgeAgent?
>
> Thanks in advance,
> Luiz Valmont
>
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