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Former Member

The state-of-the art technology to enhance and adapt SAP standard objects is the new Enhancement Framework (available as of ABAP 7.0). You should use if you are sure that you have done everything in terms of customizing and still not completely accomplished what you need. As you read in the weblogs listed below this enhancement technology has many advantages over the classic modification technology. In particular, it causes far less work in an upgrade, because customer enhancements are objects of their own and, in general, owned by the customer whereas modifications are part of the SAP object they modify. This way, all modifications have to be adjusted after an upgrade, no matter if the underlying SAP object has changed or not. In contrast as a customer you have only to adjust enhancements in the rare cases in which the underlying development object has been deleted or incompatibly changed. To support you in doing so there is the transaction SPAU_ENH that is new with NetWeaver 7.0.

The basic idea of the new Enhancement Framework (is to make modification-free enhancements of development objects such as programs, function modules, global classes, and Web Dynpro components. All these technologies and the new kernel-based BAdI are now integrated in one Framework that has the following features:

  • Enhancements of existing development objects on different levels - for example, in an industry solution, in the IT department of the customer, and finally in a customer's company.
  • Better upgrade support
  • Switching of enhancements with the Switch Framework
  • Support for grouping enhancements and appropriate tool support for documentation.

The Switch Framework (available as of ABAP 7.0) is made to control the visibility of development objects at runtime. If a switchable development object is not switched on it is not part of the ABAP load and therefore behaves as if it would not exist at all though as a transport object it still exists. The Enhancement and the Switch Framework are closely integrated which means: All enhancements of the Enhancement Framework (but also many other objects) can be switched by the Switch Framework. 

The three major use cases or scenarios by the Enhancement Framework are

  • The adaptation of SAP standard programs by customers
  • The re-integration of the SAP Industry Solutions in the ERP core
  • The Enhancement Package Strategy of SAP ERP 6.0 and the Business Suite 7.0.

You find a description of these three use cases and an introduction to and explanation of how the Switch Framework is used for re-integration of the Industry Solution in the ERP core and in the Enhancement Package strategy in a weblog series. It is intended to give you an overview of the technology of the framework by showing its major use cases:

The Three Use Cases of the Enhancement and Switch Framework

This demo shows you how to use the Switch Framework.

In case you are interested in the technology of the Enhancement Framework in some detail and want to work with it you should read this series. It explains you both the basic concepts of the framework and shows you how to create and implement enhancement options:

Weblog Series on the Technology of the Enhancement Framework

  • thomas.weiss/blog/2006/01/24/what-the-new-enhancement-framework-is-for-150-its-basic-structure-and-elements-for-beginners
    This weblog explains what the new Enhancement Framework is for thereby telling the basic advantages of enhancements over modifications. After reading it, you will understand that the basic structure underlying this framework is simple and straightforward: An enhancement option and its implementation element. This weblog also conveys an idea of why the framework as a whole needs some complexity if it should enable you to structure, organize and manage all the different enhancements in a system.
  • The new Enhancement Framework Part 2 - What Else You Need to Know Before Building an Enhancement
    This weblog provides some more background knowledge on the new Enhancement Framework. Both weblogs together provide all the information a developer needs before starting to define and implement an enhancement.
  • Source Code Enhancements - Part 5 of the Series on the New Enhancement Framework
    In this weblog you learn in which cases it is useful for you to define an enhancement option, if you are a developer outside of SAP. You will understand, in which cases source code enhancements should be your first choice, though, of course, BAdIs are the enhancement technology that SAP recommends in general. So much for the theory. The weblog also shows to define an enhancement point, how to implement it and how to replace an existing implementation. For those still not completely familiar with the structure of the Enhancement Framework, there is again the structure of the entities involved in defining an enhancement point and creating a source code plug-in that implements this enhancement point.

Weblogs on the New BAdI that is Part of the Enhancement Framework

SAP Business Add-Ins (BAdIs) are one of the most important technologies used to adapt SAP software to specific requirements. They were introduced with Release 4.6 and replace function module exits. This technology is not limited to SAP applications. BAdI calls can be integrated in customer applications. These can then be enhanced by other customer applications. In the various SAP applications, BAdI calls are implemented at places where enhancements are appropriate. With the new Enhancement Framework comes a new BAdI that has a more transparent and easier syntax, is integrated in the kernel and therefore a lot faster, and can profit from all the advantages of the Enhancement Framework in which the new BAdI is fully integrated:

This SDN article shows you how to use the classic BAdI together with User Exit technology, and this SDN article how to use the classic BAdI within CMOD enhancement project.

If you are acquainted with the concepts and the technology of the Enhancement and Switch Framework you might still need some guidance on how to work with this framework most efficiently if you as a customer want to adapt SAP standard programs. In this case you should read the weblog:

How to Get the Most From the Enhancement and Switch Framework as a Customer or Partner - Tips from t...How to proceed when adapting SAP development objects and how to use the Enhancement and Switch Framework best when you want to adapt a SAP application as a customer or partner? This blog gives you guidance on how to do this best and it explains you also why you should proceed this way by summarizing the main benefits of the new framework and its advantages over classic modification technology.

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