Exception class example

CLASS lcx_1 DEFINITION INHERITING FROM cx_static_check.



ENDCLASS.

CLASS C1 DEFINITION.

 PUBLIC SECTION.

  TYPES : BEGIN OF TY_SEL,
         SIGN TYPE RSDSSELOPT-SIGN,
         OPTION TYPE RSDSSELOPT-OPTION,
         LOW  TYPE VBAK-VBELN,
         HIGH TYPE VBAK-VBELN,
         END OF TY_SEL.

  DATA : R_VBELN TYPE TY_SEL,
         IT_VBAP TYPE TABLE OF VBAP.
  METHODS : CONSTRUCTOR IMPORTING S_VBELN TYPE TY_SEL RAISING lcx_1,
            GET_DATA ,
            display.

  PROTECTED SECTION.


  PRIVATE SECTION.


ENDCLASS.

CLASS C1 IMPLEMENTATION.

  METHOD constructor.

    IF s_vbeln is  INITIAL.
      RAISE EXCEPTION TYPE lcx_1.
    else.
    r_vbeln-sign = s_vbeln-sign.
    r_vbeln-option = s_vbeln-option.
    r_vbeln-low = s_vbeln-low.
    r_vbeln-high = s_vbeln-high.
    ENDIF.

  ENDMETHOD.

  METHOD GET_DATA.

    SELECT * FROM VBAP
       INTO TABLE IT_VBAP
       WHERE   VBELN BETWEEN R_VBELN-LOW AND R_VBELN-HIGH.

  ENDMETHOD.

  METHOD display.

    DATA : wa_vbap TYPE vbap.

    LOOP AT it_vbap INTO wa_vbap.

      WRITE : / wa_vbap-vbeln , wa_vbap-posnr, wa_vbap-matnr, wa_vbap-netpr.

    ENDLOOP.

  ENDMETHOD.

ENDCLASS.

TABLES : vbap.

DATA : o_bj TYPE REF TO c1.

SELECT-OPTIONS : s_vbeln for vbap-vbeln.

START-OF-SELECTION.

TRY.
CREATE OBJECT o_bj EXPORTING s_vbeln = s_vbeln.

call METHOD o_bj->get_data.

CALL METHOD o_bj->display.

CATCH lcx_1.
  MESSAGE i555(bc_bor) WITH 'No data found'.

ENDTRY.