[rules-users] How to check for errors when creating a kBase using kAgent, kAgentConfiguration and kBaseConfiguration

[esteban.aliverti at gmail.com]

Hi,
If you are using 5.1 or greater, you can use a KnowledgeAgentEventListener
to be notified when resource's compilation fails. You can create your own
implementation of KnowledgeAgentEventListener, or you can
use DefaultKnowledgeAgentEventListener and override just the methods you
need:

kagent.addEventListener(new DefaultKnowledgeAgentEventListener() {
   public void resourceCompilationFailed(ResourceCompilationFailedEvent
event) {
       //ResourceCompilationFailedEvent contains a reference to kagent's
kbuilder. You can use it to see what happened.
   }
});

Best,


XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Esteban Aliverti
- Developer @ http://www.plugtree.com
- Blog @ http://ilesteban.wordpress.com


On Sun, Oct 24, 2010 at 7:55 PM, Tina Vießmann <tviessmann at stud.hs-bremen.de
> wrote:

> What's the best way for checking for errors when using the following
> code for creating a kbase?
>
>
>         // ResourceChangeScanner
>         ResourceChangeScannerConfiguration sconf =
>
> ResourceFactory.getResourceChangeScannerService().newResourceChangeScannerConfiguration();
>         sconf.setProperty("drools.resource.scanner.interval", "10");
>         ResourceFactory.getResourceChangeScannerService().configure(sconf);
>
>         ResourceFactory.getResourceChangeNotifierService().start();
>         ResourceFactory.getResourceChangeScannerService().start();
>
>
>         // knowledge base
>         KnowledgeBaseConfiguration kbaseConf =
> KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
>         kbaseConf.setOption(EventProcessingOption.STREAM);
>         kbaseConf.setOption(MBeansOption.ENABLED);
>         KnowledgeBase kbase =
> KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);
>
>
>         // knowledge agent
>         KnowledgeAgentConfiguration kagentConf =
> KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
>         kagentConf.setProperty("drools.agent.newInstance", "false");
>         KnowledgeAgent kagent =
> KnowledgeAgentFactory.newKnowledgeAgent("AITS CEP Engine Agent", kbase,
> kagentConf);
>
>
> kagent.applyChangeSet(ResourceFactory.newClassPathResource(myFile));
>
>
>         // session
>         fSession = kbase.newStatefulKnowledgeSession();
>
>
> Thank you.
> Tina
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