Abap objects
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The document discusses how object-oriented (OO) programming in ABAP can improve quality, sustainability, and future readiness compared to procedural programming. It outlines benefits of OO like better performance, maintenance, flexibility to support new technologies, and lower costs. Specific advantages mentioned include easier implementation of new SAP platforms, tools, and UI frameworks as well as better adherence to coding guidelines. The document advocates for adopting OO programming to take advantage of these benefits.
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Abap objects
- 1. Quality, sustainability, and future readiness 1
- 2. Agenda Quality Customer Service Innovation Low Cost People 2
- 3. Quality - Performance Methods are the fastest running code, so performance is better, (but, you can always write bad code, so this is provided the method is written correctly) OO is more granular, so the code you write has many more options, you can write it at a finer level, and do more with it that you just can’t do with procedural code 3
- 4. Quality - Maintenance benefits ABAP Objects better supports separation of concerns data encapsulation explicit instantiation inheritance interfaces event-driven flows cleansed syntax Access to new SAP technologies Add additional flexibility of inheritance and encapsulation which can reduce development times in subsequent projects and increase the ease of maintenance and stability of programs. 4
- 5. Customer Service Web Driven User Interface Ease of use Once we have our repository – quicker development time Better requirements for user interfaces – Design the screen that they will see while in the meeting 5
- 6. Innovation – OO Technologies Global classes are heavily used for implementing business layer functionality Local classes should be used for local modularization (instead of forms) BADI Implementation SAP List Viewer All other SAP Controls Web Services ICF services BSP FPM All programs that are based on one of the former UI technologies RTTS (which is important for dynamic programming) 6
- 7. Innovation OO Technologies SOAP ABAP Proxy Enhancement Spots ABAP Eclipse for HANA programming All new technology 7
- 8. Innovation / Cost –SAP Platforms All these platforms are built around OO. It would cost money to support without internal resources. SRM EWM RPM EMCS Other systems we have now??? 8
- 9. Low Cost / Innovation - OO Mandatory OO is mandatory to take advantage of the great stuff out there in code exchange like abap2xlsx, abap2gapps, abap2qrcode, ZSAPLINK WDA and CRM UI is the strategic UI technology for SAP, so basically you say eventually everything is going to be in WDA whether or not you like it, so start getting ready now. 9
- 10. Low cost - Maintenance Official SAP programming guidelines by Horst Keller Prohibits many obsolete statements and additions Requires implicit statements to be explicit Detecting and preventing potentially incorrect data handling Data Encapsulation Explicit object instantiation Improved code reuse by inheritance Standalone interfaces Explicit event raising and handling Provides access to newer technology 10
- 11. Low cost - Maintenance About 35% of running programs in ECC have objects. Number of objects having the object type CLAS or INTF=> 125000 + 39000 = 164000 Look for number of objects having the object type PROG => 302000 More OO in each EP / version 11
- 12. Low Cost - Classic programming Classic programming is still needed for: RFCs ABAP Dynpros Certain Frameworks 12
- 13. People - Who? Everyone Consultants Employees Customers 13
- 14. People - Development Current SAP Development Training courses BC100 – Basic ABAP Techniques including structured programming – 2 Days BC400 – ABAP Workbench foundations – 5 days objects and all the next courses in development assume you know objects (Programming reports ALV OO) 14