Redefining the APC Implementation Class

This section details about redefining methods in an implementation class of APC.

Context

The Service Builder generates an Implementation class along with the base class for every model. It is proposed to extend this class manually to suit your needs. After generating the Annotation Provider Class, the generated classes are stored in the Runtime Artifacts folder. Follow the instructions below to extend the extension class.

Procedure

Expand the Project folder in the tree view of the Service Builder.
Navigate to Runtime Artifacts CL_ProjectName_APC_EXT .
Click  (Display-->Change)
Right click and select Go to ABAP Workbench. The selected implementation class opens in the Class Builder.
Click the DEFINE_VOCAB_ANNOTATIONS and click Redefine to redefine it: Here is a sample:

Sample Code

method DEFINE_VOCAB_ANNOTATIONS.
**TRY.
*CALL METHOD SUPER->DEFINE_VOCAB_ANNOTATIONS
*    .
** CATCH /iwbep/cx_mgw_med_exception .
**ENDTRY.
endmethod.

Save the changes.

Activate the classes.