[rules-users] before/after behavior for negative pattern

[Rob21]

And about the before design : 

rule "Detect it"
	when
		$start : RawEvent()
		not RawEvent(this != $start, id == $start.id, this before[0ms, 90s]
$start)
	then
		System.out.println($start);
end

I obtain this after a few events have been detected : 

Thread [Thread-0] (Suspended (exception NullPointerException))	

BeforeEvaluatorDefinition$BeforeEvaluator.evaluateCachedLeft(InternalWorkingMemory,
VariableRestriction$VariableContextEntry, Object) line: 343	
	EvaluatorConstraint.isAllowedCachedLeft(ContextEntry, InternalFactHandle)
line: 67	
	TripleBetaConstraints.isAllowedCachedLeft(ContextEntry[],
InternalFactHandle) line: 199	
	NotNode.retractRightTuple(RightTuple, PropagationContext,
InternalWorkingMemory) line: 183	
	ObjectTypeNode.retractObject(InternalFactHandle, PropagationContext,
InternalWorkingMemory) line: 283	

ReteooWorkingMemory$WorkingMemoryReteExpireAction.execute(InternalWorkingMemory)
line: 514	
	ReteooStatefulSession(AbstractWorkingMemory).executeQueuedActions() line:
977	
	DefaultAgenda.fireUntilHalt(AgendaFilter) line: 1422	
	ReteooStatefulSession(AbstractWorkingMemory).fireUntilHalt(AgendaFilter)
line: 755	
	ReteooStatefulSession(AbstractWorkingMemory).fireUntilHalt() line: 731	
	StatefulKnowledgeSessionImpl.fireUntilHalt() line: 247	
	DroolsTest$rulesThread.run() line: 45	

As you said, the before and after design should react the same way. I work
in stream mode with a pseudo clock i advance every time i insert an event to
the precise time the event to be inserted is dated. (If that can help in
anything)



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