Generate your own custom UI Service based on a Business Object Interface

1. In the Project Explorer select the Released Objects tree and then the node USE_IN_CLOUD_DEVELOPMENT. Here you have to open the folder Core Data Services and then the folder Behavior Definitions where you find the C1-released Business Object Interface I_BankTP.

   

2. Right-click on the interface I_BankTP and select Generate ABAP Repository Objects

   

3. Select OData UI Service and then Next

   

4. Select the package ZDEMO_UI_INTERFACE_### by pressing the Browse button and press Next.

   

5. The generator finishes with the Configure Generator screen. When you want to change the names of the repository objects that will be generated you can do so by selecting the entries Service Projection Entities, Service Projection Behavior, Service Definition and Service Binding.

   

6. When selecting Service Projection Entities you can change the suggested name of the CDS projection view(s).

   

7. When selecting Service Projection Behavior you can change the suggested name of the Behavior Implementation Class. In addition you can decide whether your UI shall support draft as well when the underlying RAP business object provides draft, by checking with draft.

   

8. When selecting Service Definition you can change the suggested name of the Service Definition Name.

   

9. When selecting Service Binding you can change the suggested name of the Service Binding Name. By pressing Next you can start the generation process.

   

10. The wizard shows an overview of the repository objects that are going to be generated. Press Next.

    

11. Select a transport or create a new transport and press Finish to start the generation of the repository objects.

    

1. When the generation process is finished a new tab with the generated Service Binding will be opened. Click Publish to publish the service binding locally. In the project explorer you can see all objects that have been generated.

   

   

2. Select the entity set ZC_BankTP and click Preview or double-click on the entity set ZC_BankTP. This will start the SAP Fiori Elements preview.

   

3. In the preview of your app press the button Create to create a new bank.

   

4. Enter values in the fields Bank Country / Region e.g. CZ and Bank Key e.g. 1234 and press Continue.

   

5. The object page opens and you have to provide data for the remaining mandatory fields such as the Bank Name.

   

1. When your development user does not have the authorization to create new banks you will receive the following error message: You are not authorized to create bank data for country/region CZ.

   

2. In order to identify the missing authorizations you can check the Knowledge Transfer Document of I_BANKTP. Either open it using the shortcut Ctrl+Shift+A or navigate to it in the Project Explorer as shown as shown below.

   

3. As you can see the business object I_BankTP checks for the authorization objects F_BNKA_MAO and F_BNKA_INT.

   

When you want to learn how to create authorizations please have a look at the following tutorial Providing Authorization Control for a Business Configuration Maintenance Object.

When you want to trace authorization checks please make use of Display Authorization Trace app.