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Wrapper Module

What is a wrapper function module ? What is the purpose of using it ?

Achirangshu De

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  • Posted on Feb 04, 2005 at 10:32 AM


    this is just a name, no special attribute in ABAP.

    Might be translated with 'encapsulation' - to build a 'black box' around something, so that further users of a functionality don't need to know all details when programming.

    E.g.: smartforms have dynamic FM names. One wrapper FM can combine FM of dynamic name determination and actual call of smartform.

    Maybe there are different understandings in other circumstances.



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    • Additionally what Christian said, may be you have a Function Module, which is not RFC-enabled. Instead of modifying it, you can build a wrapper FM, which is RFC enabled.

      So, you reuse SAP standard FMs with adding functionality (RFC enable, additional checks, etc) without any modification.


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