Re: [rules-users] possible bug in latest SNAPSHOT - AccumulateFunction.init() is called when calling modify()
Could be that the modify make the rule condition to be no longer true,
and for that reason the acumulation is zero in that point? I would
like to try it but I'm in my cell phone.
- Ing. Mauricio Salatino -
On May 12, 2010, at 6:58, Michal Bali <michalbali(a)gmail.com> wrote:
Hi,
I may have found a bug with accumulate and 'modify(..)' function
call. It seems that once the modify(..) is called it indirectly
calls AccumulateFunction.init() which invalidates accumulated data.
I have included a simple test case:
I am using the latest snapshot of Drools 5.1.SNAPSHOT
I have created a sample Drools project and just modified the
Sample.drl with this:
-------------------------------------------------------------
import java.util.List;
import java.util.ArrayList;
declare Holder
list : List
end
rule "Hello World"
when
m : Message( )
then
insert(new Holder());
end
rule "GoodBye"
when
$holder : Holder( list == null )
$messages : List() from accumulate(
$message: Message(), collectList($message) )
then
System.out.println($messages); //<-- here the $messages list has
one element
modify($holder) {
setList($messages)
}
System.out.println($messages); //<-- here the $messages list is
empty
end
-----------------------------------------------------
Let me know if you need more information. I can create a JIRA if
needed.
Thank you!
Best regards,
Michal
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