FUNCTION ZSCN_BILLING.
TABLES: ZEXT_BILLING.
FIELD-SYMBOLS <fs_billing> TYPE ZEXT_BILLING.
STATICS: s_index TYPE I. "" STATICS Key word was used so that it can hold t
he data between FM calls
STATICS: counter TYPE I.
DATA: WA_billing TYPE ZEXT_BILLING .
ASSIGN WA_billing TO <fs_billing> .
DATA: L_S_SELECT TYPE SRSC_S_SELECT.
STATICS: S_S_IF TYPE SRSC_S_IF_SIMPLE,
S_COUNTER_DATAPAKID LIKE SY-TABIX .
RANGES: L_R_CUST FOR ZEXT_BILLING-CUST. "" Range table to accept selection
TYPES : BEGIN OF cust,
CUST TYPE /BI0/OICUSTOMER ,
END OF cust.
STATICS it_cust TYPE STANDARD TABLE OF cust. "List of Input Parameter ( CUS
T), STATICS is used not to lose list between FM calls.
DATA : wa_cust TYPE cust.
DATA : lv_table TYPE STANDARD TABLE OF ZIF_ZPROXY_SCN_BILLING=>VAR_OUT WITH
EMPTY KEY ,
wa_table TYPE ZIF_ZPROXY_SCN_BILLING=>VAR_OUT . "" Using Interface of
the Proxy Procedure created earlier
FIELD-SYMBOLS <fs_table> TYPE ZIF_ZPROXY_SCN_BILLING=>VAR_OUT.
* Initialization mode (first call by SAPI) or data transfer mode
* (following calls) ?
IF I_INITFLAG = SBIWA_C_FLAG_ON.
*
CASE I_DSOURCE.
WHEN 'ZDS_SCN_BILLING'.
WHEN OTHERS.
IF 1 = 2. MESSAGE E009(R3). ENDIF.
LOG_WRITE 'E'
"message type
'R3'
"message class
'009'
"message number
I_DSOURCE
"message variable 1
' '.
"message variable 2
RAISE ERROR_PASSED_TO_MESS_HANDLER.
ENDCASE.
APPEND LINES OF I_T_SELECT TO S_S_IF-T_SELECT.
* Fill parameter buffer for data extraction calls
S_S_IF-REQUNR
= I_REQUNR.
S_S_IF-DSOURCE = I_DSOURCE.
S_S_IF-MAXSIZE
= I_MAXSIZE .
APPEND LINES OF I_T_FIELDS TO S_S_IF-T_FIELDS.
s_index = 1 . "" Initializign s_index in the first call , this would not be
done second time.
ELSE.
"Initialization mode or data extraction ?
IF S_COUNTER_DATAPAKID = 0.
LOOP AT S_S_IF-T_SELECT INTO L_S_SELECT WHERE FIELDNM = 'CUST'.
MOVE-CORRESPONDING L_S_SELECT TO L_R_CUST.
APPEND L_R_CUST.
ENDLOOP.
SELECT DISTINCT CUST INTO TABLE it_cust FROM ZCUST_LIST WHERE CUST IN
L_R_CUST .
SORT it_cust by CUST .
describe table it_cust lines counter. "" Making a list of Input Paramet
er ( Cust here) to be supplied
ENDIF.
"First data package ?
DATA: index2 type I .
index2 = s_index + 1 .
LOOP AT it_cust INTO wa_cust FROM s_index to index2.
CALL DATABASE PROCEDURE ZPROXY_SCN_BILLING
EXPORTING
IP_CUST1
= wa_cust-CUST(6)
IMPORTING
VAR_OUT
= lv_table. "" this would contain result of
procedure call
IF lv_table[] IS NOT INITIAL .
LOOP AT lv_table ASSIGNING <fs_table> .
MOVE-CORRESPONDING <fs_table> to <fs_billing> .
APPEND <fs_billing> to E_T_DATA.
ENDLOOP.
UNASSIGN <fs_table> .
ENDIF .
ENDLOOP.
IF index2 >
counter + 1
. "" Index2 = counter means, we called
the procedure with all input parameter, in the next call NO_MORE_DATA would b
e raised.
RAISE NO_MORE_DATA .
ELSE.
s_index = index2 + 1 .
ENDIF.
ENDIF.
ENDFUNCTION.
"Initialization mode or data extraction ?