[rules-users] Getting a Drools Fusion - CEP Example to work

[sDaniel]

Thank you for your reply.

Yes sure I have that. I took the rules directly from
http://javabeans.asia/articles/drools_5_case_study_2_complex_event_processing.html
and they include this setting.


As posted in my fist mail I needed to change 90d in following code to
90m to get the tutorial to work.
    from accumulate(
        ClaimApprovedEvent(
            accountNumber == $account.number,
            $amount : amount
        )
        over window:time( 90d ) from
        entry-point ClaimStream,
        average($amount)
    )


I can use 's', 'm' or 'h' only with 'd' I get an error marker in eclipse:
Description    Resource    Path    Location    Type
Error: java.lang.NullPointerException    account.drl   
/SlidingWindowCEP/etc    Unknown    Drools Error


btw.: The tutorial seems to use some discouraged Classes so I have quite
a few warnings
about PackageBuilderConfiguration, MVELDialectConfiguration and
SessionPseudoClock
however I have the same issues with this as written here:
http://drools.46999.n3.nabble.com/Fixing-the-quot-Discouraged-access-quot-Eclipse-warnings-makes-all-org-drools-import-unresolved-td1515491.html
("Accessible" setting in eclipse makes all org.drools imports unresolved)


References for ppl interested in the discouraged warning:
http://drools.46999.n3.nabble.com/quot-Discouraged-access-quot-warnings-when-using-Drools-Eclipse-Workbench-td60302.html
http://drools.46999.n3.nabble.com/Problem-with-CommandFactory-newStartProcess-in-5-2-M1-td2691171.html

It seems to me I must have some basic setting wrong but I have yet to
figure out what it is,
so hints are still very much appreciated.


Best regards,
Sebastian



Am 11.04.2011 20:51, schrieb Mauricio Salatino:
> did you try setting the mvel dialect inside the rules?
> rule "my rule"
>  dialect "mvel"
> when
>
> then
>
> end
>
> ??
>
> On Mon, Apr 11, 2011 at 12:17 PM, s.Daniel <sdaniel at wobster.de
> <mailto:sdaniel at wobster.de>> wrote:
>
>     Now I realy feel a bit silly. I banged my head on this for hours
>     and then
>     just after I write you I get a step further. I changed mvl mode
>     and replaced
>     line 78 in Tester.java with:
>     PackageBuilderConfiguration conf = new PackageBuilderConfiguration();
>                    ((MVELDialectConfiguration)
>     conf.getDialectConfiguration("mvel")).setStrict(false);
>                    ((MVELDialectConfiguration)
>     conf.getDialectConfiguration("mvel")).setLangLevel(5);
>                            KnowledgeBuilder builder =
>     KnowledgeBuilderFactory
>                                            .newKnowledgeBuilder(conf);
>
>
>     Now the markers are still being displayed but the code compiles
>     and runs. If
>     someone would take the time to explain this to me I'd be very
>     thankful.
>
>     --
>     View this message in context:
>     http://drools.46999.n3.nabble.com/Getting-a-Drools-Fusion-CEP-Example-to-work-tp2806952p2806987.html
>     Sent from the Drools: User forum mailing list archive at Nabble.com.
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>
>
> -- 
>  - CTO @ http://www.plugtree.com 
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>  - Co-Founder @ http://www.jbug.com.ar
>  
>  - Salatino "Salaboy" Mauricio -

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