[rules-users] drools with IKVM
Mark Proctor
mproctor at codehaus.org
Sun Nov 21 19:30:32 EST 2010
On 21/11/2010 12:56, Leonardo Gomes wrote:
> Do you have a stack trace or something like that?
Being IKVM I doubt the problem is from our end, as it's translating
stuff to C#. You probably need to isolate the failing test case and get
the IKVM guys to fix it in IKVM, probably a bad translation.
Mark
>
> 2010/11/21 Piyush Goel <piyush.goel at dealhunt.in
> <mailto:piyush.goel at dealhunt.in>>
>
> We are using Drools engine on our client written in C#. We are
> using IKVM to convert the drools jar and our java beans into dll's
> using IKVM. We have a rule similar to this:-
>
> rule "aggregate rule"
> when
> $b : Bill(billAmount > 100)
> $n : Number(doubleValue > 100) from accumulate ( $l :
> LineItem() from $b.findItems("color", "blue"),
> sum($l.getSellingValue()))
> then
> VoucherSeries fact0 = new VoucherSeries();
> fact0.setSeriesCode( "aggregate voucher" );
> insert(fact0 );
> voucherlist.add(fact0);
> System.out.println("sum" + $n);
> end
>
>
> This rule works fine when it is run with java based drools API's,
> but while running it with IKVM converted drools, it throws the
> following error:-
>
> Unable to cast object of type 'AccumulateMemory' to type
> 'FromMemory'.
>
> Any ideas on what might be going wrong ?
>
> thanks,
> piyush
>
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