SAP MDG · WORKFLOWS

How do I implement the SAP MDG parallel result handler BAdI to merge parallel workflow branch outcomes?

Q: How do I implement the SAP MDG parallel result handler BAdI to merge parallel workflow branch outcomes?

Use `USMD_SSW_PARA_RSLT_HANDLER` and implement `HANDLE_PARALLEL_RESULT`. The source example merges parallel branch results by checking `IT_STEP_ACTION` for action `06`; if found, it returns merge action `06` and merge step `D1`, otherwise it returns `03` and `D1`.

Implement BAdI `USMD_SSW_PARA_RSLT_HANDLER` in method `IF_USMD_SSW_PARA_RSLT_HANDLER~HANDLE_PARALLEL_RESULT` to evaluate `IT_STEP_ACTION` and return a single merged result. The supplied pattern is: if any parallel branch has action `06` (send for revision), return merge action `06`; otherwise return action `03` (approve), with merge step `D1`.

SOLUTION SUMMARY · SHORT ANSWER

Implement BAdI `USMD_SSW_PARA_RSLT_HANDLER` in method `IF_USMD_SSW_PARA_RSLT_HANDLER~HANDLE_PARALLEL_RESULT` to evaluate `IT_STEP_ACTION` and return a single merged result. The supplied pattern is: if any parallel branch has action `06` (send for revision), return merge action `06`; otherwise return action `03` (approve), with merge step `D1`.

The SAP MDG parallel result handler BAdI is `USMD_SSW_PARA_RSLT_HANDLER`, implemented in `IF_USMD_SSW_PARA_RSLT_HANDLER~HANDLE_PARALLEL_RESULT`. In the supplied example, the method clears the outputs, loops through `IT_STEP_ACTION`, and applies a simple business rule: if any parallel branch has action `06` (send for revision), the merged result becomes `06`; otherwise the workflow is merged as approved with action `03`. The merge step used in the example is `D1`.

Process flow

Implement BAdI `USMD_SSW_PARA_RSLT_HANDLER`
Implement method `IF_USMD_SSW_PARA_RSLT_HANDLER~HANDLE_PARALLEL_RESULT`
Clear `EV_MERGE_ACTION`, `EV_MERGE_STEP`, and `ET_MESSAGE`
Loop at `IT_STEP_ACTION`
If any action equals `06`, set merge action to `06`
Set merge step to `D1`
Otherwise set merge action to `03` and merge step to `D1`
Activate the class and enhancement implementation

CONFIGURATIONSource-backed paths

Referenced tables

Object	Purpose
`IT_STEP_ACTION`	Input table containing the actions returned by parallel workflow branches
`ET_MESSAGE`	Output message table returned by `HANDLE_PARALLEL_RESULT`

ILLUSTRATIVE ABAP SAMPLE

Source ABAP example

Exact relevant implementation excerpt from the knowledge document.

1class ZCL_MDG_CUST_BI_MERGE_BADI definition

2  public

3  final

4  create public .

5

6public section.

7

8  interfaces IF_BADI_INTERFACE .

9  interfaces IF_USMD_SSW_PARA_RSLT_HANDLER .

10protected section.

11private section.

12ENDCLASS.

13

14

15

16CLASS ZCL_MDG_CUST_BI_MERGE_BADI IMPLEMENTATION.

17

18

19  method if_usmd_ssw_para_rslt_handler~handle_parallel_result.

20    constants: lc_reject    type usmd_crequest_action  value '06'. " send for revision

21    constants: lc_mergestep type usmd_crequest_appstep value 'D1'. " merge step

22    constants: lc_approve   type usmd_crequest_action  value '03'. "approve

23

24    data: ls_step_action type usmd_s_step_action.

25

26    clear: ev_merge_action, ev_merge_step, et_message.

27    loop at it_step_action into ls_step_action.

28      if ls_step_action-action = lc_reject.

29        ev_merge_action = lc_reject.

30        ev_merge_step = lc_mergestep.

31        return.

32      endif.

33    endloop.

34    ev_merge_action = lc_approve.

35    ev_merge_step = lc_mergestep.

36  endmethod.

37ENDCLASS.

The remaining configuration, implementation details, and testing guidance continue from this answer more…

How do I implement the SAP MDG parallel result handler BAdI to merge parallel workflow branch outcomes?

Process flow

Referenced tables

Source ABAP example

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