How do I create an OData service in SAP NetWeaver Gateway?

Creating your first very simple OData SAP Gateway Service

  1. Step 1 – SAP Netweaver Gateway Service Builder.
  2. Step 2 – Create project.
  3. Step 3 – Enter project details.
  4. Step 4 – Import DDIC structure.
  5. Step 5 – Enter structure details.
  6. Step 6 – View Properties.
  7. Step 7 – Create Entity Set.
  8. Step 8 – Alternate way to create Entity Set.

What is Gateway in OData?

OData for SAP Products. SAP Gateway uses OData for SAP Products, which contains SAP-specific metadata that helps the developer to consume SAP business data, such as descriptions of fields that can be retrieved from the SAP ABAP Dictionary.

What is the Tcode for OData project?

Step 2. Go to transaction code /IWFND/MAINT_SERVICE . Click on push button Add services . Next screen will appear, give the alias name and execute , Search you for your project .

How do I run OData service in SAP?

Go to transaction /IWFND/MAINT_SERVICE and find out your service , select your service and click on load metadata. Information message will pop up – Metadata has been loaded successfully. Now Select your service and click on SAP Gateway Client . You will redirect to other screen.

What is the difference between OData and rest?

REST stands for REpresentational State Transfer which is a resource based architectural style. Resource based means that data and functionalities are considered as resources. OData is a web based protocol that defines a set of best practices for building and consuming RESTful web services.

What is SAP NetWeaver Gateway?

SAP Gateway, an integral part of SAP NetWeaver, lets you connect devices, environments, and platforms to SAP systems. It uses the Open Data Protocol (OData) so you can use any programming language or model to connect to SAP and non-SAP applications.

Why OData is used in SAP?

OData is used to define best practices that are required to build and consume RESTful APIs. It helps you to find out changes, defining functions for reusable procedures and sending batch requests etc. OData provides facility for extension to fulfill any custom needs of your RESTful APIs.

How do I find OData service URL?

If you have an on-premise system, then call /N/IWFND/MAINT_SERVICE, choose your service, click on Gateway Client, set the protocol to HTTPS and you’ll see the full URL.

How do I consume an external OData service in SAP Gateway?

Let’s start with the configuration on SAP NetWeaver Gateway:

  1. Step 1: Create an RFC destination.
  2. Step 2: Create a System Alias.
  3. Step 3: Generate OData Service in SAP NetWeaver Gateway.
  4. Step 5: Activate Service using /IWFND/MAINT_SERVICE.
  5. Step 6: Test the service.

Is OData is an interface?

The best part about OData is that it is basically a standardized REST interface. So, when you think OData, you should also think REST/JSON. This enables you to use the OData standards with any RESTful interface—whether you are programming in Android, iOS, Salesforce Connect or other similar interfaces.

Why is OData not popular?

The interface errs on the side of being too liberal in what it will accept. The contract does not provide enough information to consumers on how to use the service. If a consumer must read something other than the service’s signature to understand how to use the service, the factoring of the service should be reviewed.

How do I access NetWeaver Gateway in SAP?

Create RFC Connection to the SAP Business Suite backend system. In transaction SPRO open the SAP Reference IMG and navigate to: SAP NetWeaver-> Gateway-> OData Channel -> Configuration -> Connection Settings-> SAP NetWeaver Gateway to SAP System-> Manage RFC Destinations -> and click the Activity icon.