SAP has developed the new concept of Restful Application Programming (RAP) for the modern programming of an S/4 HANA system. It is based on ABAP Core Data Services (CDS), but combines read and write accesses-unlike the first version of Core Data Services, which required the additional concept of the Business Object Processing Framework (BOPF)-in a single, integrated product for all components to be developed.After a brief introduction to the key concepts of ABAP Core Data Services, the foundations for the course are laid. It is recommended that exercises and demos for the course be carried out in a trial version of SAP BTP in the cloud. Detailed explanations of how to prepare and set up this development environmentare shown in the course. After presenting a simple RAP service with its basic components, the most important features in the RAP environment are discussed in more detail: The Entity Manipulation Language with its standard change functionalities is presented, as are the associated non-standard operations (Actions and Functions). Initial application techniques (Validations and Determinations) and transactional techniques (various variants of Save) are also described. An introduction to Draft mechanisms concludes the course.
Course Info:
This course includes: 9 units with a total of 39 Quicks and 39 exercises.
This course requires knowledge of procedural and object-oriented ABAP. Knowledge of modern declarative programming styles is an advantage. We recommend the courses [S11 –Modern ABAP I –Expressions] and [S12 –Modern ABAP II –ABAP-SQL]. Knowledge of how ABAP Core Data Services [S13 -ABAP Core Data Services] work is also an absolute prerequisite.
The playing time of the Quicks is approximately ten hours. The time required to complete the exercises depends on the user, of course, but we estimate it to be approximately eight hours.
Trainer:
Dr. Alexander Maetzing
Lecturer and consultant
Although Alexander Maetzing has studied physics, he has been working in the SAP environment for more than 20 years. Originally from the SAP base, he quickly expanded his focus to the view of programming in SAP systems. The experiences from both worlds thus flow into his knowledge transfer.