CLASS zcx_demo_abap_error_b DEFINITION
  PUBLIC
  INHERITING FROM cx_static_check
  FINAL
  CREATE PUBLIC .

  PUBLIC SECTION.

    INTERFACES if_t100_message.
    INTERFACES if_t100_dyn_msg.

    METHODS constructor
      IMPORTING
        textid   LIKE if_t100_message=>t100key OPTIONAL
        previous LIKE previous OPTIONAL.
  PROTECTED SECTION.
  PRIVATE SECTION.
ENDCLASS.



CLASS zcx_demo_abap_error_b IMPLEMENTATION.
  METHOD constructor ##ADT_SUPPRESS_GENERATION.
    super->constructor( previous = previous ).

    CLEAR me->textid.
    IF textid IS INITIAL.
      if_t100_message~t100key = if_t100_message=>default_textid.
    ELSE.
      if_t100_message~t100key = textid.
    ENDIF.
  ENDMETHOD.
ENDCLASS.