El código de una clase de excepción debería verse así:
CLASS zcx_travels_cons_xxx DEFINITION
PUBLIC
INHERITING FROM cx_rap_query_provider
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
METHODS constructor
IMPORTING
!textid LIKE if_t100_message=>t100key OPTIONAL
!previous LIKE previous OPTIONAL .
constants:
begin of destination_provider_fail,
msgid type symsgid value 'ZCM_TRAVELS_XXX',
msgno type symsgno value '001',
attr1 type scx_attrname value 'attr1',
attr2 type scx_attrname value 'attr2',
attr3 type scx_attrname value 'attr3',
attr4 type scx_attrname value 'attr4',
end of destination_provider_fail,
begin of http_client_fail,
msgid type symsgid value '/DMO/CM_SERVICE_003',
msgno type symsgno value '002',
attr1 type scx_attrname value 'attr1',
attr2 type scx_attrname value 'attr2',
attr3 type scx_attrname value 'attr3',
attr4 type scx_attrname value 'attr4',
end of http_client_fail,
begin of client_proxy_fail,
msgid type symsgid value '/DMO/CM_SERVICE_003',
msgno type symsgno value '003',
attr1 type scx_attrname value 'attr1',
attr2 type scx_attrname value 'attr2',
attr3 type scx_attrname value 'attr3',
attr4 type scx_attrname value 'attr4',
end of client_proxy_fail,
begin of remote_access_fail,
msgid type symsgid value '/DMO/CM_SERVICE_003',
msgno type symsgno value '004',
attr1 type scx_attrname value 'attr1',
attr2 type scx_attrname value 'attr2',
attr3 type scx_attrname value 'attr3',
attr4 type scx_attrname value 'attr4',
end of remote_access_fail,
begin of gateway_fail,
msgid type symsgid value '/DMO/CM_SERVICE_003',
msgno type symsgno value '005',
attr1 type scx_attrname value 'attr1',
attr2 type scx_attrname value 'attr2',
attr3 type scx_attrname value 'attr3',
attr4 type scx_attrname value 'attr4',
end of gateway_fail,
begin of query_fail,
msgid type symsgid value '/DMO/CM_SERVICE_003',
msgno type symsgno value '006',
attr1 type scx_attrname value 'attr1',
attr2 type scx_attrname value 'attr2',
attr3 type scx_attrname value 'attr3',
attr4 type scx_attrname value 'attr4',
end of query_fail
.
PROTECTED SECTION.
PRIVATE SECTION.
ENDCLASS.
CLASS zcx_travels_cons_xxx IMPLEMENTATION.
METHOD constructor ##ADT_SUPPRESS_GENERATION.
CALL METHOD super->constructor
EXPORTING
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.
