Declaraciones Inline en ABAP 7.40 (Inline declarations)

********************************************************************************
*  INFORMACIÓN GENERAL - GENERAL INFORMATION
********************************************************************************
*^ Autor - Author      : José Manrique Valderrama
*^ Objetivo - Objetive : Inline Declaratinos
*^ Website             : abapejemplos.blogspot.com
********************************************************************************
REPORT Zjm_demo_inline.

START-OF-SELECTION.
" Declarar tabla en un SELECT
   SELECT * UP TO 1 ROWS
     FROM mara
     INTO TABLE @DATA(gdt_mara).

" Declarar Work Area
READ TABLE gdt_mara INTO DATA(gwa_mara) INDEX 1.

" Declarar Field Symbol
READ TABLE gdt_mara ASSIGNING FIELD-SYMBOL() INDEX 1.

" Declarar una variable con valor inicial.
DATA(gs_string) = 'Hola Mundo'.

" Declarar variables en SPLIT en cadenas
SPLIT gs_string AT space INTO DATA(ls_substring1) DATA(ls_substring2).

" Declarar variable de tabla en SPLIT
SPLIT gs_string AT space INTO TABLE DATA(gdt_string).

" Declarar un parámetro de retorno en métodos.
DATA(gi_digits) = cl_abap_math=>get_number_of_digits( '1240' ).

BAPI_SHIPMENT_CREATE - VT01N

********************************************************************************
*  INFORMACIÓN GENERAL - GENERAL INFORMATION
********************************************************************************
*^ Autor - Author      : José Manrique Valderrama
*^ Objetivo - Objetive : Creación de Documento de transporte (Shipment) - VT01N
*^ Website             : abapejemplos.blogspot.com
********************************************************************************
REPORT zjm_demo_shipment.

PARAMETERS: p_tplst TYPE vttk-tplst OBLIGATORY,
            p_shtyp TYPE vttk-shtyp OBLIGATORY,
            p_vbeln TYPE lips-vbeln.

DATA: gdt_item TYPE STANDARD TABLE OF bapishipmentitem,
      gdt_dlin TYPE STANDARD TABLE OF bapishipmentheaderdeadline,
      gdt_ret2 TYPE bapiret2_tab.

DATA: gwa_header TYPE bapishipmentheader.

FIELD-SYMBOLS: <fs_item> TYPE bapishipmentitem,
               <fs_dlin> TYPE bapishipmentheaderdeadline,
               <fs_ret2> TYPE bapiret2.

DATA: gv_tknum TYPE vttk-tknum.

START-OF-SELECTION.
  REFRESH: gdt_item,
           gdt_dlin,
           gdt_ret2.

  CLEAR: gwa_header,
         gv_tknum.

  "Cabecera del Documento de transporte
  gwa_header-shipment_type = p_shtyp.
  gwa_header-trans_plan_pt = p_tplst.

  "Se inicia en status Planificado
  "Se puede iniciar en otro status, se deben marcar todos los status previos
  gwa_header-status_plan = abap_true.

  "Se completa la fecha y hora de cada status
  APPEND INITIAL LINE TO gdt_dlin ASSIGNING <fs_dlin>.
  <fs_dlin>-time_type      = 'HDRSTPLDT'.
  <fs_dlin>-time_stamp_utc = sy-datum && sy-uzeit.
  <fs_dlin>-time_zone      = 'UTC'.

*SAP-Note 531207
*TIME_TYPE = HDRSTPLDT  --> Date/time of end of planning
*TIME_TYPE = HDRSTCIPDT --> PLANNED date/time of check-in
*TIME_TYPE = HDRSTCIADT --> ACTUAL date/time of check-in
*TIME_TYPE = HDRSTLSPDT --> PLANNED date/time of loading start
*TIME_TYPE = HDRSTLSADT --> ACTUAL date/time of loading start
*TIME_TYPE = HDRSTLEPDT --> PLANNED date/time of loading end
*TIME_TYPE = HDRSTLEADT --> ACTUAL date/time of loading end
*TIME_TYPE = HDRSTCPDT  --> PLANNED date/time of shipment completion
*TIME_TYPE = HDRSTCADT  --> ACTUAL date/time of shipment completion
*TIME_TYPE = HDRSTSSPDT --> PLANNED date/time of shipment start
*TIME_TYPE = HDRSTSSADT --> ACTUAL date/time of shipment start
*TIME_TYPE = HDRSTSEPDT --> PLANNED date/time of shipment end
*TIME_TYPE = HDRSTSEADT --> ACTUAL date/time of shipment end

  "Se pueden asignar las entregas, no es obligatorio.
  IF p_vbeln IS NOT INITIAL.
    APPEND INITIAL LINE TO gdt_item ASSIGNING .
    <fs_item>-delivery = p_vbeln.
  ENDIF.

  "Se ejecuta la BAPI
  CALL FUNCTION 'BAPI_SHIPMENT_CREATE'
    EXPORTING
      headerdata     = gwa_header
    IMPORTING
      transport      = gv_tknum
    TABLES
      headerdeadline = gdt_dlin
      itemdata       = gdt_item
      return         = gdt_ret2.
  "Si GV_TKNUM tiene un valor, se creó el transporte
  IF gv_tknum IS INITIAL.
    READ TABLE gdt_ret2 ASSIGNING <fs_ret2> WITH KEY type = 'E'.
    IF sy-subrc EQ 0.
      "Mensaje de la BAPI
      MESSAGE <fs_ret2>-message TYPE 'S' DISPLAY LIKE 'E'.
    ENDIF.

    CALL FUNCTION 'BAPI_TRANSACTION_ROLLBACK'.
  ELSE.
    CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
      EXPORTING
        wait = abap_true.
  ENDIF.