Is a multipattern collect supported?
I have a rule which finds all 2 topics and all the students they share
if there is at least 1 such student:
rule "calculateTopicConflict"
when
$leftTopic : Topic($id : id);
$rightTopic : Topic(id > $id);
$studentSet : HashSet( size > 0 )
from collect(
$student : Student(),
$leftTopic.studentList contains $student,
$rightTopic.studentList contains $student
);
then
insertLogical(new TopicConflict($leftTopic , $rightTopic ,
$studentSet));
end
This won't compile:
Caused by: org.drools.rule.InvalidRulePackage: [29,36]: unknown:29:36
mismatched token: [EMAIL PROTECTED],1504:1504=',',<11>,29:36]; expecting type
RIGHT_PAREN[30,39]: unknown:30:39 mismatched token:
[EMAIL PROTECTED],1545:1552='contains',<49>,30:39]; expecting type
LEFT_PAREN[30,48]: unknown:30:48 Unexpected token '$student'
at org.drools.rule.Package.checkValidity(Package.java:424)
Is a multipattern collect supported?
Thanks for your help :)
--
With kind regards,
Geoffrey De Smet
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