def get(self, index):
        return self._node.attributes.get_private(index)
This method has to ensure that the information on the order item is
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/calvinsys/attribute/private.py/PrivateAttribute.get--crossover with--dataset/ETHPy150Open matthiask/plata/plata/product/models.py/ProductBase.handle_order_item