9. ENHANCEMENT MODIFICATIONS BAPI ALE, BAPI FM

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Enhancements, Modifications,
… (CA-BFA)
Release 4.6C
Enhancements, Modifications, … (CA-BFA)
SAP AG
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April 2001
SAP AG
Enhancements, Modifications, … (CA-BFA)
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April 2001
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Enhancements, Modifications, … (CA-BFA)
SAP AG
Contents
Enhancements, Modifications, … (CA-BFA)................................................................ 6
Customer Enhancement and Modification of BAPIs (CA-BFA)...............................................................7
Customer Enhancement of BAPIs ............................................................................................................10
Enhancing the BAPIs Based on Existing SAP Database Tables............................................................13
Appending Customer Fields...............................................................................................................14
Using Additional Existing Database Fields ........................................................................................19
Combination of Appending Customer Fields and Adding Existing Table Fields ...............................21
Enhancing the BAPI by Including Additional Customer Database Tables..............................................22
Enhancing the BAPI with Import Data that Does Not Affect the Database Level ...................................26
Actions by the BAPI Developer ...............................................................................................................28
Actions by the Customer .........................................................................................................................36
Actions for an Enhancement Based on Existing SAP Database Tables ...........................................37
Actions when Including Additional Customer Database Tables ........................................................44
Actions when Including Additional Import Data that Does Not Affect the Database Level................45
Use with the Standardized BAPIs ...........................................................................................................46
BAPI Modifications.....................................................................................................................................50
Example ..................................................................................................................................................54
Creating Subtypes...................................................................................................................................55
Redefining a BAPI...................................................................................................................................56
Defining Delegation Relationships ..........................................................................................................57
Examples.....................................................................................................................................................58
Example for Developing the BAPI Function Module ...............................................................................59
Example for Filling the ExtensionIn Parameter.......................................................................................63
SAP Enhancements to Released BAPIs ..................................................................................................65
Compatible Enhancements .......................................................................................................................67
Incompatible Enhancements.....................................................................................................................69
BAPIs for Mass Data Transfer (CA-BFA) .................................................................................................72
Basics of Mass Data Transfer ...................................................................................................................74
Process Flow of the Mass Data Transfer via BAPI .................................................................................80
Developing BAPIs for Mass Data Transfer ..............................................................................................83
Implementing a BAPI ..............................................................................................................................85
Programming Create() BAPIs ............................................................................................................86
Example of a Create() BAPI .........................................................................................................90
Programming Change() BAPIs ..........................................................................................................91
Example of a Change () BAPI.......................................................................................................96
Programming Delete()/Undelete() BAPIs...........................................................................................97
Example of a Delete() BAPI........................................................................................................101
Programming Cancel() BAPIs..........................................................................................................102
Example of a Cancel() BAPI .......................................................................................................105
Programming Replicate()/SaveReplica() BAPIs ..............................................................................106
Example of a SaveReplica() BAPI..............................................................................................110
Programming Methods for Sub-Objects ..........................................................................................111
Example of an Add<Name of Sub-Object> BAPI .......................................................................115
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April 2001
SAP AG
Enhancements, Modifications, … (CA-BFA)
Generating the BAPI-ALE Interface ......................................................................................................116
Writing a report......................................................................................................................................117
Registering the BAPI.............................................................................................................................118
Details........................................................................................................................................................119
Using ALE Services (CA-BFA) ................................................................................................................121
Basic Concepts of ALE Technology ......................................................................................................123
Implementing Narrow Coupling with BAPIs ..........................................................................................127
Querying the Distribution Model............................................................................................................128
Calling BAPIs ........................................................................................................................................130
Implementing Loose Coupling with BAPIs............................................................................................131
Querying the Distribution Model............................................................................................................133
ALE Outbound Processing....................................................................................................................135
Dispatching IDocs .................................................................................................................................137
ALE Inbound Processing.......................................................................................................................138
Processing BAPIs .................................................................................................................................139
Developing an ALE Business Process Based on BAPIs .....................................................................141
Implementing the BAPI .........................................................................................................................142
Defining Hierarchies Between BAPI Parameters..................................................................................144
Maintaining the BAPI-ALE Interface .....................................................................................................145
Notes................................................................................................................................................159
Maintaining the Distribution Model ........................................................................................................161
April 2001
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9. ENHANCEMENT MODIFICATIONS BAPI ALE, BAPI FM

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