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BADI's

Hi Friends,

I have one query regarding BADI.

What is BADI??

How we can run the BADI??

Plz give me details.

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 29, 2006 at 05:40 AM

    Hi Salil,

    BADI(Business Add-In) is the object oriented method of user exits...

    Each BAdI has a definition and more than one implementation. The definition means the methods(in class concept) that are used for performing various functions. The BAdI definition can be viewed in SE18 transaction(for standard ones) and user-defined BAdIs can be created in the same transaction as well.

    When you create a BAdI definition, an class interface will be automatically created and you can define your methods in the interface. The implementation of the methods can be done in SE19 transaction .

    YOu can go through these links...

    http://esnips.com/doc/10016c34-55a7-4b13-8f5f-bf720422d265/BADIs.pdf

    http://esnips.com/doc/e06e4171-29df-462f-b857-54fac19a9d8e/ppt-on-badis.ppt

    http://esnips.com/doc/43a58f51-5d92-4213-913a-de05e9faac0d/Business-Addin.doc

    http://esnips.com/doc/1e10392e-64d8-4181-b2a5-5f04d8f87839/badi.doc

    http://esnips.com/doc/365d4c4d-9fcb-4189-85fd-866b7bf25257/customer-exits--badi.zip

    http://esnips.com/doc/3b7bbc09-c095-45a0-9e89-91f2f86ee8e9/BADI-Introduction.ppt

    Award points if found useful.

    Regards,

    Amit.

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 29, 2006 at 05:48 AM

    Hi,

    BAdIs Concept

    Use

    BAdIs or Business Add-Ins are used to create predefined enhancement options in the SAP ERP components, which are then appropriately implemented by the individual industry solutions, country variants, or even by partners and customers.

    Classic BAdIs have been present in ABAP-based SAP systems since Release 4.6. In contrast to the enhancement technology used up to then (for example, function module exits,) BAdIs are based on ABAP objects.

    The reimplementation of BAdIs for Release 7.0 had two main goals:

    · By integrating the BAdIs in the ABAP programming language through the new language elements GET BADIand CALL BADI, their performance was considerably enhanced.

    · The new BAdIs provide more flexibility in the conversion of predefined enhancement options through new, orthogonal properties such as contexts and filters.

    The new ABAP language elements and their additions ensure that these additional options can be used comfortably in ABAP programs. Within the Enhancement Framework, a new BAdI is always meant by the term BAdI. If there is explicit reference to the previous BAdI concept, such BAdIs are referred to as classic BAdIs.

    Definition of BAdIs

    Use

    When you define a BAdI, you must specify a name, a BAdI interface as the interface for the enhancement option, and the required filters. The name of a BAdI is in the same namespace as data types from the ABAP Dictionary, global classes, or interfaces. It is recommended that you use suitable prefixes, such as “BADI_”.

    A filter consists of a filter name and a data type (integer, string, and so on).

    In addition, you also define BAdI properties that are relevant at runtime of a program with the appropriate statements GET BADI and CALL BADI. For more information, see Instance Generation Mode and Multiple Use.

    Other properties that can be assigned to a BAdI include:

    ● An optional fallback BAdI implementation class. This option is used if no BAdI implementation with suitable filter conditions and no standard implementation is found.

    ● Whether the BAdI is internal or not.

    An internal BAdI must only be implemented by SAP and is not visible outside of SAP.

    ● Whether the BAdI is a function code or screen enhancement.

    A BAdI that is defined as a function code enhancement must not have any filters, must not be defined for multiple use, or assigned to any switch. It may contain methods that are independent of the actual function code enhancement.

    A BAdI that is defined as a screen enhancement must be defined in the instance generation mode for the reused instantiation and must not be defined for multiple use. It may contain BAdI methods that can be used to fill or evaluate the screen fields of the respective subscreens.

    Calling BAdIs

    Use

    After their definition and independent of an implementation, BAdIs can be called using a combination of the ABAP statements GET BADI and CALL BADI:

    · GET BADI FILTERS f1=x1 ... fn=xn – selects the BAdI implementations whose filter condition is met by the filter values specified in the statement. The BAdI implementation classes assigned to the selected implementations are instantiated and passed to a simultaneously created BAdI object which serves as a handle for the implementation.

    · CALL BADI badi->meth – addresses the BAdI object which passes the call of BAdI methods to the object plug-ins known to the BAdI handle.

    For detailed information about these statements, see the ABAP Keyword Documentation.

    In the context of the Enhancement Framework, the above statements together form the enhancement spot element calls of an explicit enhancement option. Conceptually, they are part of the definition of an enhancement option.

    Procedure

    For a multiple-use BAdI, several implementations can be called one after the other using CALL BADI. The sequence in which several object plug-ins are called consecutively is the same in repeated calls, but it can be determined in advance in the BADI_SORTER enhancement spot using the predefined BAdI BADI_SORTER:

    ...

    1. Create the new implementation BADI_SORTER.

    2. Enter the name of the BAdI whose object plug-ins you want to call in a sorted sequence as the filter condition for the BADI_NAME filter.

    3. Create a screen enhancement to query any kind of sort criterion.

    The Enhancement Builder then displays this subscreen with each implementation of the BAdI to be sorted.

    4. Implement the methods of the BAdI interface IF_BADI_SORTER according to your sort criteria in the BAdI implementation class.

    Without this procedure, the sequence is undefined.

    Check this link for further reference...

    http://help.sap.com/saphelp_nw2004s/helpdata/en/a3/1d40425c459923e10000000a155106/frameset.htm

    Thanks and regards,

    Bharat Kumar Reddy.V

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 29, 2006 at 05:52 AM
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  • Posted on Oct 24, 2006 at 04:50 AM

    BADIs are like any other enhancements and they are basically interfaces which have to be implemented through classes. In case of BADIs these classes would be starting with ZCL*(or whatever convention a organization is following). During a transaction call the system checks if a BADI has been implemented if it has then it flows through the code.

    The above links will be helpful in understanding and also implementing a BADI.

    hith

    Sunil Achyut

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