I need a mixture between XSEQUENCE and CSEQUENCE

Question

Hi,
i would like to have a method which accepts XSEQUENCE or CSEQUENCE or to be more exact it should axxept XSTRING or STRING.
The only type i can see which covers that is ANY. But how to react if a structure or a table is delivered? I would like to raise an exception.
So, how can i check if the type is string or xstring?

Answer 1

Hi Rainer,
There might be some other simple way..... but one way is to use RTTI service...
example - an exception is triggered if passed data obj is not of elementary type.
DATA : gv_string   TYPE string,
       gv_xstring  TYPE xstring,
       gs_struc    TYPE makt,
       gt_table    TYPE TABLE OF makt,
       go_data_ref TYPE REF TO cl_abap_elemdescr.
TRY.
    go_data_ref ?= cl_abap_typedescr=>describe_by_data( gv_string ).     " safe
    go_data_ref ?= cl_abap_typedescr=>describe_by_data( gv_xstring ).    " safe
    go_data_ref ?= cl_abap_typedescr=>describe_by_data( gs_struc ).      " triggers exception
    go_data_ref ?= cl_abap_typedescr=>describe_by_data( gt_table ).      " triggers exception
  CATCH cx_sy_move_cast_error.
    BREAK-POINT.  " it is a struc or table
ENDTRY.
Cheers,
Jose.