CL_ABAP_TYPEDESCR - Runtime Type Services

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Functionality

This abstract class is the topmost class in the hierarchy of classes used to determine and generatetype attributes at runtime (RTTS - Run Time Type Services). It provides instance attributes and constants for general type information, as well as all of the static methods required to create the type objects.

Relationships

CL_ABAP_TYPEDESCR
|
|--CL_ABAP_DATADESCR
| |
| |--CL_ABAP_ELEMDESCR
| |--CL_ABAP_REFDESCR
| |--CL_ABAP_COMPLEXDESCR
| |
| |--CL_ABAP_STRUCTDESCR
| |--CL_ABAP_TABLEDESCR
|
|--CL_ABAP_OBJECTDESCR
|
|--CL_ABAP_CLASSDESCR
|--CL_ABAP_INTFDESCR

Example

REPORT typedescr_test.

TYPES:
my_type TYPE i.

DATA:
my_data TYPE my_type,
descr_ref TYPE ref to cl_abap_typedescr.

START-OF-SELECTION.
descr_ref = cl_abap_typedescr=>describe_by_data( my_data ).

WRITE: / 'Typename:', descr_ref->absolute_name.
WRITE: / 'Kind :', descr_ref->type_kind.
WRITE: / 'Length :', descr_ref->length.
WRITE: / 'Decimals:', descr_ref->decimals.

Notes

You should only use constants from this class with the prefix TYPEKIND to query the attribute TYPE_KIND.

Further information

Classes:
CL_ABAP_DATADESCR
CL_ABAP_COMPLEXDESRC
CL_ABAP_OBJECTDESCR
CL_ABAP_ELEMDESCR
CL_ABAP_REFDESCR
CL_ABAP_STRUCTDESCR
CL_ABAP_TABLEDESCR
CL_ABAP_CLASSDESCR
CL_ABAP_INTFDESCR

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This documentation is copyright by SAP AG.


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