Ale Edi Idoc

Developing your own ALE scenarioALE scenario development = + Creating an IDOC + Creating an outbound program + Create an inbound program + Setting ALE configuration

Section #. Chapter #.Page #

Chapter Title

Scenario analysis How does the IDOC look like ? How is data being sent ? How is the data being received ?

Chapter Title

IDOC creation

Chapter Title

IDOC creation Create new segments Create new IDOCs Create a new message type Link message type with IDOC type

Chapter Title

Create New Segments

Chapter Title

How to create Segments

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Create IDOC type

Chapter Title

How to create IDOC types

Chapter Title

Create new message type

Chapter Title

Link message type with IDOC type

Chapter Title

Outbound program development

Chapter Title

Outbound program Program logic How is the IDOC being IDOC created ? Triggering How is the IDOC creation kicked off ?

Chapter Title

Slide Idea !

Program logicIDOC program Select data from application tables Fill data into IDOC Pass IDOC to ALE layer (Call function MASTER_IDOC_DISTRIBUTE) Commit Work

MASTER_IDOC_DISTRIBUTE Receiver determination Segment filtering Version Control Dispatch Control ALE layer

Chapter Title

MASTER_IDOC_DISTRIBUTECall function MASTER_IDOC_DISTRIBUTE?

Exporting

?master_idoc_control:?

IDOC control record returned information about the distribution IDOC data segments

Tables

?communication_idoc_control: ?master_idoc_data:

Chapter Title

Control Record information Control record contains general information about the IDOC (Envelope) Control record is field string with structure EDIDCRelevant fields: ?MESTYP: Logical message type Basic IDOC type

?IDOCTP:

Chapter Title

Data Record information Data records contain the data of the message Data records are passed as an internal table with structure EDIDD Relevant fields:

?SEGNAM: ?SDATA:

Segment type of the specific IDOC data record 1000 byte-long character field for the data of the specific IDOC data record

Chapter Title

Slide Idea

Filling an EDIDD structureHeader (55bytes) . SEGNAM . SDATA (1000bytes)

Field1 10

Field2 ABC

Field3

Field4

MOVE Z1SEG to EDIDD-SEGNAM MOVE 10 to Z1SEG-FIELD1 MOVE ABC to Z1SEG-FIELD2 MOVE Z1SEG to EDIDD-SDATA

Chapter Title

General Programming rules? Design Guidelines for creating IDOC data records: Left-justified filing of IDOC Fields

Replacing SAP codes with ISO codes

?currency keys ?country keys ?unit of measure ?shipping instructions Converting Currency Amounts

Chapter Title

Left-justified Filling? All fields must be left-justified?

Character fields:

?automatic?

Non-character fields:

?Condense statement must be used ?Check IDOC documentation to find out which fieldsrequire a condense

?All types unequal to char, cuky, clnt, accp, numc,dats, tims or unit require a condense

Chapter Title

Code Conversions? Replacing SAP codes with ISO codes Currency keys: currency_code_sap_to_iso Country keys: country_code_sap_to_iso Units of measure: unit_of_measure_sap_to_iso Shipping instructions: sap_iso_package_type_code

Conversion of currency amounts currency_amount_sap_to_iso

Chapter Title

Code Example? MASTER_IDOC_CREATE_XAMPLE

Chapter Title

Exercise 2? Write outbound program ? Maintain Distribution Model

Chapter Title

Slide IDea

Triggering Select Data IDOC program Fill IDOC Call MASTER_IDOC_DISTRIBUTE

MASTER_IDOC_DISTRIBUTE ALE layer

Chapter Title

Triggering Options Transaction Data: IDOC created when application document is created 2 Options: Hardcoded call to ALE layer Message Control triggers call to ALE layer Master Data: IDOC not imediately created 2 Options: stand-alone program to create IDOC Change-pointer based trigger

Chapter Title

Hardcoded-ALE-layer callApplication Posting Post Application document

(Optional)

Need to create IDOC If yes Create IDOC Call ALE layer Commit Work

Customer Distribution Model

ALE layer

Chapter Title

Example

Chapter Title

Output DeterminationApplication Posting Post Application document Customer Distribution Model

Determine Output Commit Work

Output Determination If Output ALE (RSNASTED / ALE_PROCESSING) Get Process Code Call IDOC module Call ALE layerALE layer IDOC module IDOC_OUTPUT_ Read application data Fill IDOC

Chapter Title

IDOC module? IDOC program has to be implemented as function module ? Naming Convention: IDOC_OUTPUT_ ? Function module gets object key passed from message control. The object key is the primary key to the application object (I.e. Order number) ? Function module logic:? ?

Read application document using object key Fill IDOC structure

Chapter Title

Differences? Function module doesnt call Commit Work ? Function module doesnt check distribution model ? Function module doesnt call MASTER_IDOC_DISTRIBUTE

Chapter Title

ALE configuration? Output determination? ?

Medium:

A (ALE)

Receiver defined in Condition record is converted to receiver defined in distribution model (by ALE layer)

? Publish the new function module? ? ?

Define Outbound Process Code Link Process Code to Function module Refer to Process Code in Partner Profile definiton (message control section)

Chapter Title

Example

Chapter Title

Change PointersApplication Posting Post Application document Master data

Batch Program(RBDMIDOC) Determine IDOC module Call IDOC module

Create Change Document Are changes ALE relevant ? Write Change Pointers

ALE configuration ALE relevant Fields IDOC Module(Masteridoc_Create_ SMD_) Change pointers Read Change Pointers Fill IDOC Call ALE layer Update Change Pointer ALE layer Master_IDOC_DISTRIBUTE

Commit Work

Chapter Title

IDOC module? IDOC module has to be implemented as function module ? Naming Convention:MASTERIDOC_CREATE_SMD_

? Function module reads change pointers information to get data that needs to go into IDOC ? Function module logic:? ? ? ? ?

Read change pointers Fill IDOC structure Call ALE layer Update Change Pointer status Commit Work

Chapter Title

ALE Configuration Define change pointer creation

Define which change document fields are to be logged

Change pointer activation

Activate generally Activate per message type

Publish new function module Link message type to function module

Chapter Title

Standalone-Program Example: RBDSEMAT Similar to our exercise

Chapter Title

Which trigger ?Master data ? Y Only send objects that have changed ? Y Change Pointer available? y Change Pointer based Program Standalone with custom logic to keep track of changes N Standalone program with user-definable selection criteria

Chapter Title

Which trigger ?Transaction Data ? Y Ensure transactional Integrity? Y Output Determinat ion available ? y Output determinaton based Program User-Exit available? N N See Master data

hardcoded ALE layer Modification

Y Hardcoded ALE layer no Modification

Chapter Title

Inbound program development

Chapter Title

Overview? ALE inbound components? ? ?

Inbound function module ALE customizing Workflow task

Chapter Title

OverviewINBOUND_IDOC_PROCESS IDOC Version change Segment filter Field conversion Call function IDOC_INPUT_ Return Variables Read IDOC data Post Application data Send Success info back to ALE layer

ALE configuration Partner Profiles Process Code Function module attribute Function module registry

If ERROR, trigger Workflow Task ALE layer

Chapter Title

Inbound Function module? Name: Z_IDOC_INPUT_ ? Interface:?

Import

?Input_Method ?Mass_Processing?

process in dialog or not? used for WF programming Was update in update task used ? Was a Call T

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