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Enumerated Objects, Type Description

This example demonstrates type description in enumerated objects.

Other versions: 7.31 | 7.40 | 7.54

Source Code

    DATA(out) = cl_demo_output=>new( ).

    TYPES:
      BEGIN OF ENUM size,
        s, m, l, xl, xxl,
      END OF ENUM size.

    DATA(size) = VALUE size( ).

    out->begin_section( 'DESCRIBE FIELD' ).

    DESCRIBE FIELD size TYPE DATA(type)
                        LENGTH DATA(length) IN BYTE MODE
                        OUTPUT-LENGTH DATA(output_length).

    out->write_data( type
      )->write_data( length
      )->write_data( output_length ).

    out->next_section( 'CL_ABAP_ENUMDESCR' ).

    DATA(enum_descr) = CAST cl_abap_enumdescr(
      cl_abap_typedescr=>describe_by_data( size ) ).

    out->write_data( enum_descr->kind
      )->write_data( enum_descr->type_kind
      )->write_data( enum_descr->base_type_kind
      )->write_data( enum_descr->members ).

    out->display( ).

Description

The statement DESCRIBE FIELD and the type description class CL_ABAP_ENUMDESCR are applied to an enumerated variable size of the enumerated type with the same name.