An OData entity is an instance of an OData Entity Type. An Entity Type is a structured template that defines a set of named properties, each with a specific data type (e.g., Edm.String, Edm.Int32), and a key to uniquely identify instances. This structure is directly analogous to a typed class in object-oriented programming, which acts as a blueprint for creating objects with predefined, typed attributes. The strong typing within the OData Entity Data Model (EDM) is a core principle, making "typed classes" the most precise corresponding concept.

A. Untyped classes: Incorrect. OData is a strongly typed protocol. Every property within an Entity Type must have a defined data type as specified in the service's metadata document (EDMX).

B. Packages: Incorrect. A package is a grouping or namespace mechanism. In OData, the analogous concept is a Schema or a Container, not an individual entity.

D. Class properties: Incorrect. An OData entity is the entire structured instance (like an object), which contains properties. It is not a single property (or attribute) itself.

1. OASIS Open Data Protocol (OData) TC: OData Version 4.01. Part 1: Protocol. 2020. Section 7.1

"Entity Type

" states: "An entity type is a named structured type with a key... An entity type is defined by a set of properties." This definition

emphasizing a named structure with typed properties

aligns with the concept of a typed class.

2. SAP Help Portal - SAP Integration Suite: OData V2 Adapter in SAP Integration Suite. The documentation consistently shows the use of an Entity Data Model (EDMX) file to define the message structure. Within the EDMX

the element contains elements with explicit Type attributes (e.g.

Type="Edm.String")

demonstrating the typed nature of the structure. This confirms the model is based on typed definitions

not untyped ones.