[rules-users] doubt in using collections and nested objects

[Sudhir M]

On 1/7/10, Sudhir M <sudhir.cse at gmail.com> wrote:
> Thanks Esteban for a quick reply.
>
> But when I run the test case I get the following exception
>
>
> Caused by: java.lang.ClassCastException:
> org.drools.user.test.StudentCollectionTest$Student
> 	at
> org.drools.base.accumulators.JavaAccumulatorFunctionExecutor.accumulate(JavaAccumulatorFunctionExecutor.java:110)
> 	at org.drools.rule.Accumulate.accumulate(Accumulate.java:164)
> 	... 41 more
>
> Do I need to change something to make this work?
>
> Please help me in this regard.
>
> FYI - I using drools 5.0
>
Hi Esteban,

I am able to add Subject to the collectList but not the Student. Is
that we can only accumulate nested objects not the fact itself?

Thanks,
sudhir.