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This graphic is explained in the accompanying text Processing a tRFC Call Locate the document in its SAP Library structure

If the following statement is called up, tRFC processing takes place:

    CALL FUNCTION 'STFC_CONNECTION'

        DESTINATION RFCDEST

        IN BACKGROUND TASK

This means that the following call sequence is triggered:

Note

At this point, the application must be informed that the next call is to be processed with this TID. The application must return the value true in order to signal that execution is possible.

    1.      protected boolean onCheckTID(String tid).

       2.      calls the function module.

    3.      the protected void method onCommit(String tid) or onRollback(String tid)

depending on the result of the function distribution. If handleRequest has not thrown any exceptions, onCommit is called.

       4.      protected void method onConfirmTID(String tid).

Note

At this point, the application is informed that execution has been ended by the call with the specified TID. Under certain circumstances, this call might be received in a different Listener or, if problems arise, may not be received in the ABAP backend system at all.

 

 

 

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