[rules-users] How check if all the values in a collection match a criteria

[Alessandro Di Bella]

Hi,

I have these two classes:
ExpenseReport{
  Collection<ExpenseDetails> expenseDetails
} 

ExpenseDetails{   
  ExpenseReport document
  ExpenseType expenseType
}

I am trying to create a rule that fires when all the ExpenseDetails in a
ExpenseReport  are of the same type:

rule "Do Not Process TAX"		 
	when
                $report: ExpenseReport($expenseDetails: expenseDetails) 
                forall (                        
                        ExpenseDetails(document==$report, expenseType == 
ExpenseType.TAX)
		)  
	then
                System.out.println("################ It works 
##################");
                insertLogical("Bypass Process");
end

For some reasons, it fires regardless that value of
ExpenseDetails.expenseType.

I just started with drools and any help i more than welcome.

Thanks

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