OrderOverview
An "Order" in Litium has many associated entities. Fetching the "Order" from OrderService does not fetch some related information about an order: such as Payments, Shipments and order returns. To get a complete picture of an order in Litium, use the OrderOverviewService to fetch the OrderOverview of an order.
Please see all details in a full-size diagram of OrderOverview. Please note, that to improve readability, the same class is presented multiple times in this diagram with separate UML boxes. For example, Order and OrderRow are present in multiple places, but it refers to the same entity.
OrderOveriw and PaymentOverview are "View" entities, which are not persisted into the database. Instead, it is constructed using the information for the order.
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