Your answer refered to Statefull session. My question was regarding a
stateless session, that do not extend WorkingMemory.
Currently, I did an ugly work-around. The Activation returns a
Collection<FactHandle>, and I noticed that in runtime, the FactHandle is
instanceof InternalFactHandle, that do have a getObject(). So, My code looks
like:
for(FactHandle handle:activation.getFactHandles()){
assert(handle instanceof InternalFactHandle);
Object o=((InternalFactHandle)handle).getObject();
...
}
Im looking for the correct way to implement this functionality.
Thanks, David
Mark Proctor wrote:
David Boaz wrote:
> Thanks Mark,
>
> The post bellow doesn't deal with the event listener registration.
> Assuming
> the registration was solved, now I have another issue. How to retrieve
> the
> Facts given Fact-handles? In a stateless session, I have no access to the
> working memory.
>
If you are using StatefulKnowledgeSession. Then the Activation has
Collection< ? extends FactHandle> getFactHandles();
And the KnowledgeRuntime is always available, which extends the
WorkingMemory.
Mkar
> David
>
>
> Mark Proctor wrote:
>
>> David Boaz wrote:
>>
>>> Hi all,
>>>
>>> Im trying to listen to the events fired during the evaluation of a
>>> stateless
>>> session. I implemented org.drools.event.rule.AgendaEventListener. The
>>> events
>>> fire as expected. From the event I can extract the Activation, the Rule
>>> and
>>> the list of FactHandles. Now, from each FactHandle I want to retrieve
>>> the
>>> associated fact (Object). For that, I need a WorkingMemory. But the WM
>>> doesn't participate in the event signature. In addition, since Im using
>>> a
>>> stateless session, the working memory does not exist until I execute()
>>> method.
>>>
>>> Can you please help?
>>>
>>>
>> The event listeners don't work in the last release, this is fixed in
>> trunk, please give it a try in a snapshot:
>>
https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/t...
>>
>>> Thanks, David
>>>
>>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users(a)lists.jboss.org
>>
https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>>
>
>
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