location = locationIter.next();
var quantityForLocation : Int = location.quantityOnHand(stock_id, null);
if(quantityForLocation == null || quantityForLocation == 0) continue;
location = locationIter.next();
var quantityForLocation : Int = location.quantityOnHand(stock_id, null);
if(quantityForLocation == null || quantityForLocation == 0) continue;