[rules-users] KnowledgeRuntimeLogger to slf4j

[Stephen Masters]

Here's are some examples of logging what's going on in the knowledge base using slf4j:

Logging what rules have activated:
https://github.com/gratiartis/scattercode-drools-scenarios/blob/master/src/main/java/uk/co/scattercode/drools/util/TrackingAgendaEventListener.java

Logging details of facts that have been inserted, updated and retracted:
https://github.com/gratiartis/scattercode-drools-scenarios/blob/master/src/main/java/uk/co/scattercode/drools/util/TrackingWorkingMemoryEventListener.java

I prefer to do the logging like this myself, especially, as I like to plug in Log4J async logging. Although I guess the built-in loggers do give output in a reasonably standard XML format. If you want that, the APIs are open, so I guess you can probably use the Drools libraries to generate XML if you wish to.

Steve


On 14 Sep 2012, at 14:07, Geoffrey De Smet <ge0ffrey.spam at gmail.com> wrote:

> The KnowledgeRuntimeLogger implements some sort of Listener interface.
> Implement it yourself, register it and have it log to slf4j.
> (note that will only deal with those log messages, there might be others)
> 
> Op 14-09-12 11:29, himansu.nayak schreef:
>> hi ge0ffrey,
>> any luck in 5.4 as our enterprise application is made on top of 5.4. any
>> workaround, any dirty way of doing this
>> 
>> thx
>> 
>> 
>> 
>> -----
>> Thanks...
>> Himansu
>> --
>> View this message in context: http://drools.46999.n3.nabble.com/KnowledgeRuntimeLogger-to-slf4j-tp4019773p4019775.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
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