BADI concept

From SAP Help:-
In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
<b>What is this two-level and multi-level? Can anybody explain with a suitable example?(I mean what is SAP,Partner,Customer,country versions,industry solutions....)</b>

Hi,
Business Add-Ins are a new SAP enhancement technique based on ABAP Objects. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery. Since specific industries often require special functions, SAP allows you to predefine these points in your software.
As with customer exits two different views are available:
In the definition view, an application programmer predefines exit points in a source that allow specific industry sectors, partners, and customers to attach additional software to standard SAP source code without having to modify the original object.
In the implementation view, the users of Business Add-Ins can customize the logic they need or use a standard logic if one is available
In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
SAP guarantees the upward compatibility of all Business Add-In interfaces. Release upgrades do not affect enhancement calls from within the standard software nor do they affect the validity of call interfaces. You do not have to register Business Add-Ins in SSCR.
The Business Add-In enhancement technique differentiates between enhancements that can only be implemented once and enhancements that can be used actively by any number of customers at the same time. In addition, Business Add-Ins can be defined according to filter values. This allows you to control add-in implementation and make it dependent on specific criteria (on a specific Country value, for example).
All ABAP sources, screens, GUIs, and table interfaces created using this enhancement technique are defined in a manner that allows customers to include their own enhancements in the standard. A single Business Add-In contains all of the interfaces necessary to implement a specific task.
Lakshminarayanan.
P.S.Mark all helpful answers for points

Similar Messages

New BADI concept in ECC 6.0

I am trying to gain an understanding of how I would implement one of the new BADIs in ECC 6.0 (badis implmented through and enhancement spot , get badi, call badi concept).
I am not looking for information on how to implement a classic badi through se18/se19.
I have also ready through the SAP help on the new badis and it is still not clear to me. So, please do not provide links to the standard SAP help. I have that.
I am wondering if anybody has a whitepaper, example, etc. that explains the details of how to implement, use, trigger the new badis linked to an enhancement spot.

Hi J.J,
enhancement spot
A repository object for the administration of explicitly created enhancement options. Enhancement spots are components of a tree structure hierarchy, of which the branches represent composite enhancement spots and the leaves are simple enhancement spots. Implicitly available enhancement options do not have any enhancement spots.
composite enhancement spot
Semantic combination of simple and other composite enhancement spots with the aim of providing structure.
simple enhancement spot
Reference to a set of enhancement spot element definitions. A simple enhancement spot can occur independently or as a component of a composite enhancement spot.
ENHANCEMENT-POINT
Defines a position in an ABAP program as an enhancement option,
at which one or more source code plug-ins can be inserted.
the syntax will be like
ENHANCEMENT-POINT enh_id SPOTS spot1 spot2 ...
STATIC
INCLUDE BOUND.
Enhancement Options
Definition
Enhancement options are positions in Repository objects where enhancements can be made. These options are either explicitly defined (by the developer) or exist implicitly. Explicit enhancement options are generally defined in a central initial system. Enhancements are made in follow-on systems.
Use
Explicit enhancement options can currently be defined by:
1. Explicitly flagging source code points or sections in ABAP programs. For an enhancement, these can be enhanced or replaced by source code plug-ins.
2. Including Business Add-Ins (BAdIs) in ABAP programs. These programs are then enhanced by object plug-ins with predefined interfaces.
Explicit enhancement options are managed by enhancement spots and enhanced by enhancement implementations.
Currently, implicit enhancement options are:
1. Specific options in ABAP programs such as the end of the program which can be enhanced by source code plug-ins.
2. Parameter interfaces of function modules, which can be enhanced with parameters.
3. Attributes and parameter interfaces of global classes, which can be enhanced with attributes or parameters.
Implicit enhancement options always exist and do not require enhancement spots. They are also enhanced by enhancement implementations.
BAdIs Embedded in the Enhancement Concept
Use
The definition of BAdIs is managed by enhancement spots. A simple enhancement spot for BAdIs can contain several BAdI definitions as enhancement spot element definitions. BAdIs that would otherwise be spread out in the system can be grouped together semantically.
This structuring is mirrored on the implementation side through the enhancement implementations. A BAdI can be implemented by several BAdI implementations that are managed by enhancement implementations. A simple enhancement implementation for object plug-ins can contain several BAdI implementations of an enhancement spot as enhancement implementation elements and can implement a BAdI multiple times. Therefore, several enhancement implementations can be assigned to one enhancement spot.
A BAdI is always assigned to the same package, like the enhancement spot, to which it belongs.
Example
The structuring features of BAdIs in enhancement spots can be of a technical or a subject nature.
If, in the definition of several BAdIs, you have the provision that they are to be used in the same context (this is a feature known only by the person who defines the BAdIs), they must be used by the same simple enhancement spot.
From a subject point of view, all BAdIs must then be grouped together by affiliation to functional units for example, payroll in combined enhancement spots.
Thanks and regards
suma sailaja pvn

BAdI Concepts

Hi Friends,
I have a few questions on BAdI.
1. Is the concept of the Business Add-In class or the BAdI class that you find in SE18, relevant only for Classic BAdI's. If so, what is the main purpose of a BAdI class? Is it instantiation or some business logic which could be turned off (by deactivating the BAdI)?
2. Does the BAdI class always get executed? Suppose I have a BAdI, with an active implementation. What would be the order or execution. Is it the BAdI class that gets executed first, followed by the implementation class?
3. How far is it advisable to use the Implicit Enhancement Option to modify the BAdI class, rather than creating a new implementation altogether?
Thanks in advance!
Regards,
Anil Madhavan

Hi Bhagya jyothi,
I dont knw whether we can use this in a BAPI or not but I used this code for the same requirement in a Function Module.
LOOP AT RECORD_TAB.
    AUTHORITY-CHECK OBJECT 'ZFI_BUKRS'
             ID 'BUKRS' FIELD RECORD_TAB-STRING+3(4).
    IF sy-subrc ne 0.
      DELETE RECORD_TAB.
    ENDIF.
ENDLOOP.
Hope this helps you
Thanks,
Manish

Is polymorphism a bad design for object oriented concept?

i think polymorphism is bad concept for object oriented concept..having the same name with different parameter function ..according to my opinion may constitue in efficient skill in programming..instead if using the same name why we cannot use different name...for example each human being will have have unique characterstics..(i.e each persons DNA would be different..)so why can't we have different function names.. even if u choose a username to create a new account it would not support same names..i think it is confusing .. i think this concept is lessly used in modern programming usage... as it has less usage i think the future language designs should not support polymorphism..
i just want to know ur opnions..

Is it just me or did Sun fuck up the posting screens?I didn't notice anything; care to enlighten me?800-pixels-wide window and still a vertical scrollbar, but, to make up for
that, 250 pixels of unused whitespace to the left. And the search text
field is still unnamed.I agree with that rediculously wide left margin, i.e. rearranging some of
those things would allow for a better screen estate usage. But didn't Sun
already give us that crap in a previous incarnation of their mannah?
Besides that, I still don't notice any difference ...
kind regards,
Jos (<--- call me a silly ignoramus)

BADI Differences between 4.7 and ecc 6

Dear experts,
Can any one tell me the differences in BADIs in 4.7 and in ECC 6.0
Thanks in advance
somesh

Hi Venkat,
SOURCE: difference between badis in 4.7 and ECC 6.0
The u2018BADI-su2019 (Business Add-Ins), as they exist in pre NW04s releases are now called old classic-BADIu2019s (release 4.6 ). This was the first object-oriented way to enhance the ABAP system. This, to a certain extent, allows multiple implementations with limited filter support. The classic-BADIu2019s are implemented using ABAP Objects.
With the introduction of Enhancement framework from E.C.C 6.0 a new BADI concept in additional to the old classical BADIs has evolved called as Kernel-BADI enhancement.
The old classic-BADIu2019s are implemented purely at the ABAP Workbench level; that is, both the definition and implementation are realized as workbench repository objects (global classes and interfaces).
The new Kernel-BADI takes it to the ABAP language level. Because of this, the new Kernel-BADIu2019s are much faster compared to the old classic-BADIu2019s.
There are two new ABAP statements available now to support the Kernel-BADIu2019s, namely GET BADI and CALL BADI.
Example:
data bd_hdl type ref to badi_name.
GET BADI bd_hdl filters filt_1 = u2018VALUEu2019.
CALL BADI bd_hdl->method
exporting param_1 = 10.
The old classic-BADI used to mix both implementation selection and method call in the same CALL METHOD statement. The implementations could only be chosen at run-time because of the above reason and due to the fact that the BADI handle could only be gotten from another method call by passing the BADI name.
Whereas in the new Kernel-BADI, the active BADI implementations are included into the load of BADI handle at compile time and the filter criterion are expanded as IF statements. This is the reason the new Kernel-BADIu2019s are much faster than classic-BADIu2019s.
Some of the other new features of Kernel-BADIu2019s are,
u2022 Improved Filters with complex filter condition editor
u2022 Stateful BADI support and Context based lifetime control
u2022 Possibility to inherit the implementations
u2022 Switchable using Switch Framework 9
Have A Nice Day
Chaitanya.

Difference between badis in 4.7 and ECC 6.0

Hi ,
What are the additional things we can do in ECC6.0 for BAdi in comparision with 4.7 .
Thanks .

Hi Santhosh ,
The u2018BADI-su2019 (Business Add-Ins), as they exist in pre NW04s releases are now called old classic-BADIu2019s (release 4.6 ). This was the first object-oriented way to enhance the ABAP system. This, to a certain extent, allows multiple implementations with limited filter support. The classic-BADIu2019s are implemented using ABAP Objects.
With the introduction of Enhancement framework from E.C.C 6.0 a new BADI concept in additional to the old classical BADIs has evolved called as Kernel-BADI enhancement.
The old classic-BADIu2019s are implemented purely at the ABAP Workbench level; that is, both the definition and implementation are realized as workbench repository objects (global classes and interfaces).
The new Kernel-BADI takes it to the ABAP language level. Because of this, the new Kernel-BADIu2019s are much faster compared to the old classic-BADIu2019s.
There are two new ABAP statements available now to support the Kernel-BADIu2019s, namely GET BADI and CALL BADI.
Example:
data bd_hdl type ref to badi_name.
GET BADI bd_hdl filters filt_1 = u2018VALUEu2019.
CALL BADI bd_hdl->method
exporting param_1 = 10.
The old classic-BADI used to mix both implementation selection and method call in the same CALL METHOD statement. The implementations could only be chosen at run-time because of the above reason and due to the fact that the BADI handle could only be gotten from another method call by passing the BADI name.
Whereas in the new Kernel-BADI, the active BADI implementations are included into the load of BADI handle at compile time and the filter criterion are expanded as IF statements. This is the reason the new Kernel-BADIu2019s are much faster than classic-BADIu2019s.
Some of the other new features of Kernel-BADIu2019s are,
u2022 Improved Filters with complex filter condition editor
u2022 Stateful BADI support and Context based lifetime control
u2022 Possibility to inherit the implementations
u2022 Switchable using Switch Framework 9
Hope its useful.
Reward points if useful.
Thanks ,
Surya Pydikondala

BADI'es

I'm trying to understand (cause I'm newbie in ABAP) BADI concept. After reading standard course BC425 and some help notes I'm searching for any case studies, which can show me implementation aspect of BADI creation.
For any helping link (clue) points in reward.
Thx in advance, Tomek

Hi check these links
http://help.sap.com/saphelp_erp2005/helpdata/en/73/7e7941601b1d09e10000000a155106/frameset.htm
http://support.sas.com/rnd/papers/sugi30/SAP.ppt
http://www.sts.tu-harburg.de/teaching/sap_r3/ABAP4/abapindx.htm
http://members.aol.com/_ht_a/skarkada/sap/
http://www.ct-software.com/reportpool_frame.htm
http://www.saphelp.com/SAP_Technical.htm
http://www.kabai.com/abaps/q.htm
http://www.guidancetech.com/people/holland/sap/abap/
http://www.planetsap.com/download_abap_programs.htm
http://help.sap.com/saphelp_nw04/helpdata/en/c8/1975cc43b111d1896f0000e8322d00/content.htm
/people/thomas.weiss/blog/2006/04/03/how-to-define-a-new-badi-within-the-enhancement-framework--part-3-of-the-series
/people/thomas.weiss/blog/2006/04/18/how-to-implement-a-badi-and-how-to-use-a-filter--part-4-of-the-series-on-the-new-enhancement-framework
Regards
- Gopi

Screen data handling in Screen Enhancement with BAdI's ?

Hi all,
I'm trying to build a Screen Enhancement with (new) BAdI concept.
But now I'm having a Problem. The new BAdI's don't allow variable Attributes (instance/static attribute) in the BAdI Interface.
If I try to define an instance or static Attribute for the BAdI-Interface I get the following error message:
"BAdI interface <my_badi_if> contains non-constant attributes "
In my Screen Enhancement I have build a Subscreen with new fields in it. These field data couldn't be saved in the BAdI class (e.g. via BAdI-methods my_badi->get_data_from_screen... and my_badi->put_data_on_screen...) because having no attributes.
How these screen-data could be handled without BAdI-Interface-Attributes?
Thanks in advance,
Anja

Having the same service to get one product price as well as all product prices would not be recommended. Two separate services would be more reasonable
Mass data handling in SOA is not entirely different than let's say in BAPI/RFC environment. parallelism, multi-threading, locking, commit and many others are typical elements of considerations.
From a scalability standpoint, you can always be interested in how optimal its performance is whether you call it once or a million times. If the service is a rather slim one (lightweight in terms of number and types of parameters as well as processing code), you'll surely have better chance than with a service that's heavyweight.

BADI from scratch!!

hi all
Can you send me documents for BADI in ECC6.0 from scratch..I am new to BADI concepts..
Please tel me each and every steps of creating BADI from scratch..!
Regards
Asha

Create BADI Steps:
Go to SE18. Enter the definition name. Click on Create.
In attributes, Enter short description for BADI and click on checkbox Multiple Use.
Go to Interface tab. Double-click on Interface name which will take you to class builder screen.
Enter Name of Method, Level and Description.
Define Parameters for the method.
Save, Check and Activate. Adapter class proposed by system, ZCL_IM_IM_LINESEL, is generated.
Go to SE18. Enter the Definition name. Go to Implementation -> Create.
Enter Implementation Name.
Enter Implementation short text.
In Interface tab, Double click on Method Name to insert implementation code.
Enter code between Method and Endmethod statements.
Check and Activate.
Go to SE38. Create report to use created BADI.
create badi->
http://www.sapdevelopment.co.uk/enhance/enhance_badi.htm
Implementing Business Add-Ins (BADI)
The use of object orientated code within SAP has lead to new method of enhancing standard SAP code called
Business Add-Ins or BADI's for short. Although the implementation concept is based on classes, methods and
inheritance you do not really have to understand this fully to implement a BADI. Simply think of methods
as a function module with the same import and export parameters and follow the simple instructions below.
Steps:
1. Execute Business Add-In(BADI) transaction SE18
2. Enter BADI name i.e. HRPBSGB_HESA_NISR and press the display
button
3. Select menu option Implementation->Create
4. Give implementation a name such as Z_HRPBSGB_HESA_NISR
5. You can now make any changes you require to the BADI within this
implementation, for example choose the Interface tab
6. Double click on the method you want to change, you can now enter
any code you require.
7. Please note to find out what import and export parameters a
method has got return the original BADI definition
(i.e. HRPBSGB_HESA_NISR) and double click on the method name
for example within HRPBSGB_HESA_NISR contract is a method
8. When changes have been made activate the implementation
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/enhancementsandModifications-BADI,EnhancementFramework,UserExits&
go through this above link also.
these r excellent websites which give a step-by-step solution along with screen shots which solves u'r problem:
How To Define a New BAdI Within the Enhancement Framework (Some Basics About the BAdI,BAdI Commands in ABAP,
When to Use a BAdI?)
/people/thomas.weiss/blog/2006/04/03/how-to-define-a-new-badi-within-the-enhancement-framework--part-3-of-the-series
How to implement a BAdI And How to Use a Filter
/people/thomas.weiss/blog/2006/04/18/how-to-implement-a-badi-and-how-to-use-a-filter--part-4-of-the-series-on-the-new-enhancement-framework
Introducing Business Add-Ins
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f3202186-0601-0010-6591-b832b1a0d0de
How to implement BAdi in Enhancement Framework
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/d0456c54-0901-0010-f0b3-cd765fb99702
Business Add-Ins
http://help.sap.com/saphelp_47x200/helpdata/en/ee/a1d548892b11d295d60000e82de14a/frameset.htm
BAdI: Customer-Defined Functions in the Formula Builder
http://help.sap.com/saphelp_nw04/helpdata/en/04/f3683c05ea4464e10000000a114084/content.htm
Difference Between BADI and User Exits
http://www.sap-img.com/abap/difference-between-badi-and-user-exits.htm
To Use BADI - Business Add In you need to Understand ABAP OO Interface Concept
http://www.sap-img.com/abap/business-add-in-you-need-to-understand-abap-oo-interface-concept.htm
http://www.sapmaterial.com/badi.html
http://www.sap.com/ecosystem/partners/partnerwithsap/icc/scenarios/pdf/ICC_INTEGRATION_GUIDE_22.pdf
Some useful URL
http://www.esnips.com/doc/e06e4171-29df-462f-b857-54fac19a9d8e/ppt-on-badis.ppt
http://www.esnips.com/doc/10016c34-55a7-4b13-8f5f-bf720422d265/BADIs.pdf
http://www.esnips.com/doc/43a58f51-5d92-4213-913a-de05e9faac0d/Business-Addin.doc
http://www.esnips.com/doc/1e10392e-64d8-4181-b2a5-5f04d8f87839/badi.doc
www.sapgenie.com/publications/saptips/022006%20-%20Zaidi%20BADI.pdf
http://www.sapdevelopment.co.uk/enhance/enhance_badi.htm
http://help.sap.com/saphelp_nw04/helpdata/en/04/f3683c05ea4464e10000000a114084/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/e6/d54d3c596f0b26e10000000a11402f/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/c2/eab541c5b63031e10000000a155106/frameset.htm
How To Define a New BAdI Within the Enhancement Framework (Some Basics About the BAdI,BAdI Commands in ABAP,
When to Use a BAdI?)
/people/thomas.weiss/blog/2006/04/03/how-to-define-a-new-badi-within-the-enhancement-framework--part-3-of-the-series
How to implement a BAdI And How to Use a Filter
/people/thomas.weiss/blog/2006/04/18/how-to-implement-a-badi-and-how-to-use-a-filter--part-4-of-the-series-on-the-new-enhancement-framework
Introducing Business Add-Ins
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f3202186-0601-0010-6591-b832b1a0d0de
How to implement BAdi in Enhancement Framework
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/d0456c54-0901-0010-f0b3-cd765fb99702
Business Add-Ins
http://help.sap.com/saphelp_47x200/helpdata/en/ee/a1d548892b11d295d60000e82de14a/frameset.htm
BAdI: Customer-Defined Functions in the Formula Builder
http://help.sap.com/saphelp_nw04/helpdata/en/04/f3683c05ea4464e10000000a114084/content.htm
Difference Between BADI and User Exits
http://www.sap-img.com/abap/difference-between-badi-and-user-exits.htm
To Use BADI - Business Add In you need to Understand ABAP OO Interface Concept
http://www.sap-img.com/abap/business-add-in-you-need-to-understand-abap-oo-interface-concept.htm
Rewards points if helpful.

Related to bapi and badi

as i was a fresher to bapi and badi concepts, and now i want to learn and work on these concepts. so pls any one can suggest how to follow in the way of learning and any meateril links also ....
pls froward me for both BAPI AND BADI pdf's word docs,ppt's so as i can learn and implement.....
than x...
hareesh tadepali

check this for BADI
Regards BADI
Regards
Prabhu

Classic BAdi and New BAdi ...

Hi all,
I have a question regarding the new BAdi concept using enhancement spots.
With the classic BAdi's once we create an implementation it will call up our implementation when the BADI class is been called.
But with the new concept we have to explicitly call the BAdi we created right ? doesn't this mean modifiying the standard code ( If there's no ehancement section or point )?
Can someone tell me whether there is another way to call our implementation by using GET BADI and CALL BADI statement without modifying standard code ( by creating an explicit enhancement).
Cheers,
D.

hi,
Classic and new BAdIs differ in a number of features that are important for migration:
1. BAdI object
a. With classic BAdIs, a BAdI object is created by calling a factory method, and referenced via a reference variable of the type of the BAdI interface.
b. With new BAdIs, a BAdI object is created via the ABAP statement GET BADIas a handle for the calls of BAdI methods, and referenced via a reference variable of the type of the BAdI. A BAdI object is an instance of an internal BAdI class, which otherwise is invisible to the outside.
2. Passing comparison values for the filter
a. With the classical BAdIs, the filter values are stored in a structure and passed with the call of the BAdI methods.
b. With the new BAdIs, the comparison values for the filters used to search for implementations are passed when the BAdI object is created with the GET BADIstatement.
There is no way of migrating the call of the factory method one-to-one into the ABAP statement, because GET BADI can also return an existing BAdI object, which is not possible with the factory method.
3. Calling BAdI methods
Passing comparison values for the filter
a. A classic BAdI can be called only once and the call positions are registered centrally.
b. With new BAdIs, multiple calls are possible and the call positions are not registered centrally.
For the above reasons, an automatic call migration is not possible.
Have a look at below link.
http://help.sap.com/saphelp_nw2004s/helpdata/en/ee/6f3b42ea85b26be10000000a155106/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/0e/4d3e42fc94aa04e10000000a1550b0/content.htm
I hope it helps.
Best Regards,
Reshma

BAdi Configuration

Hi Guys,
I am new for BAdi's can you provide detail step by step precedure for BAdi concepts.
Regards,
Pullaiah

Hello,
creation badi we used the tcode SE18 and SE19.
and find BADI
For BADI's,
1)goto to tcode SE24 give the CL_EXITHANDLER and display and then double click on the GET_INSTANCE
keep Break point at this location 'call method cl_exithandler=>get_class_name_by_interface'
then the tcode it will trigger there and we can debugg there we can find badi'for that tcode and then remove the break point.
2)Goto to tcode->status->program name->double click on that program will display's
then press crtl+F then cl_exithandler
Thank u,
santhosh

HR ABAP BADI

Hi All,
iam new to Badi concept. what i want is
In single use and filter dependent badi HRHAP00_GET_LIST_FLT.
Utilities-->overview shows 2 times implemented.
how can search where it is callled? in which transaction?
Thanks in advance.
chethan

Hi,
In SE80, give the package / dev class.
You will find the related transaction code for this badi.
Thanks
ANITHA

Standard badi modification steps

Hi ,
I am new to BADI concept can any one tell me how to modify the standard badi with steps and after implimentation how to debug it?

Changing standard badis is not advisable!
Implementing a BADI (the way I do it):
1. find the badi you need in transaction SPRO (SRM-server->BADIs), read the documentation
2. Click the execute button in front of it, this will give you a popup where you can enter your implementation name, generally I take the name of the BADI itself so for BBP_CATALOG_TRANSFER badi my name would be ZBBP_CATALOG_TRANSFE (the R doesn't fit...) when no filter value needs to be added. If a filter value is added I use a different naming. For the BBP_DOC_CHANGE_BADI for purchase order my name would be: ZBBP_PO_CHANGE.
3. Implement the method you need.
4. Activate the implementation
5. Activate the BADI (4 and 5 are not the same: you have to activate your code - the implementation and you have to activate the BADI)
6. Test/Debug/Adjust
Changing standard badis:
1. Make a copy of the standard implementation
2. Deactivate the standard BADI
3. Change the copy to your needs
4. Activate the copy
Regards,
Robin

Difference between plug in and normal bapis

hai freinds when i am going through bapi's for project system module i am finding objects as projectdefination and projectdefinationPI, when i read the documentation it is giving as plug in waht is the exact difference between these two objects and bapis under them
thanx
afzal

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.
Reward me if its useful.
Regards
Abhay.
Rewards point.

BADI concept

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