[rules-users] stream mode

[Mauricio Salatino]

you need to call ksession.fireAllRules() after: ksession.insert(new
Event(a))


On Sun, Jan 10, 2010 at 6:29 PM, Khalil Hafsi <hafsi at fzi.de> wrote:

> Hi Guys,
>
> I am using DROOLS FUSION last version
> It is very important for me that events arrive in the order i fire them
> , this is a part of the code used for stream mode :
> >             KnowledgeBuilder kbuilder =
> > KnowledgeBuilderFactory.newKnowledgeBuilder();
> >
> > kbuilder.add(ResourceFactory.newClassPathResource("pol.drl"),
> > ResourceType.DRL);
> >             if ( kbuilder.hasErrors() ) {
> >                 System.err.println( kbuilder.getErrors().toString() );
> >             }
> >             KnowledgeBaseConfiguration config =
> > KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
> >             config.setOption(EventProcessingOption.STREAM);
> >             KnowledgeBase kbase =
> > KnowledgeBaseFactory.newKnowledgeBase(config);
> >             kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
> >
> >             StatefulKnowledgeSession ksession =
> > kbase.newStatefulKnowledgeSession();
>
> after this part I just start inserting Events into the ksession , i.e
> ksession.insert(new Event(a)) ...
>
> does this suffice to make the the engine in stream mode and hence ordered ?
> In the example app , Events were fired as they arrive , but a timestamp
> was given , and also agenda and jobs were used.
> Is that necessary for the engine to work in stream mode ?
> I have a piece of code that gives me different results every time I run
> it ?! it is in stream mode , but for some reason the rule either do not
> fire , or do not print the output. is there a way to debug into this ?
>
> thank you .
> k-
>
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>



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