[rules-users] Update function usage for java objects to be retrieved for database update

[dbfree75]

I'm still using such solution .
Here an example of rule where I nees to set the
originalPropertyValuationLoan :

rule "OriginalPropertyValuationLoan - NbSecuredGaranteeUnderLoan >= 1 -
garantee H - postCode equivalent - initialValue equivalent"
no-loop
salience 970
dialect "mvel"
    when

		$controlFact : ControlFact(phase == "INITIAL")
		$loanEvaluated  : loanEvaluated(nbSecuredGaranteeUnderLoan >= 1,
originalPropertyValuationLoan == null)
		$loan : loan() from $loanEvaluated.loan
		$garantee : garantee(typegarantee.code == "H" , initialValue != null) from
$loan.garantees
        $postCodes : Set(size == 1)
                     from accumulate(
                                     garantee(typegarantee.code == "H", $n :
postCodeInGarantee) from $loan.garantees,
                                     collectSet($n)
                                     )
        $garantees : Set(size == 1)
                     from accumulate(
                                     garantee(typegarantee.code == "H" ||
typegarantee.code == "O", $n : typegarantee.code) from $loan.garantees,
                                     collectSet($n)
                                     )
        $initialValue : Set(size == 1) 
                                    from accumulate(
                                                   
garantee(typegarantee.code == "H", $n : initialValue ) from $loan.garantees,
                                                    collectSet($n)
                                                    )
   then
    	$loanEvaluated.originalPropertyValuationLoan = $garantee.initialValue
     	update($loanEvaluated)
     	#System.out.println("OriginalPropertyValuationLoan -
NbSecuredGaranteeUnderLoan > 1 : " +
$loan.loanEvaluated.originalPropertyValuationLoan);
end

In case this rule isn't fired because any of these conditions isn't set, on
update after any other property has been set  this rule will be fired again 


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