Entity created by method create_related_entity losing attribute referenz
Hi all,
I created a new Z-relation between the IS-U connection object an an own object (inherited from CL_CRM_GENIL_ABSTR_SO_HANDLER2) to handle customer specific data. It works fine except for one point. Existing data are handled well, I can modify and delete them. But if I add a new dataset with the method create_related_entity (in a event handler EH_ONNEW) to the connection object, there is a problem.
The created entity seems to be ok, the attribute reference is filled and in the collection wrapper of the connection object, I could find the new entity as related. But in the getter-methods of the context node in view the attribute reference of the entity is initial (not bound). It is the same instance of entity class, but I don't know why and where the attribute reference is lost. In consequence, I'm able to create and save an initial entity (that I could modify in another session smoothly), but I'm unable to modify its values in the session in which it was created.
Can anyone help me?
Regards,
Martin
Hi Lisha,
All you need to do it make sure that the parent entity is locked before creating the child entities through create_related_entity method.
You can take a look at EH_ONCREATE method in BT111H_OPPT/ContactsOV view of component BT111H_OPPT.
(Alternatively just do a where-used list of the create_related_entity method and you will find many instances of the method in standard code in your system. Typically, it would be called in the event handlers for INSERT/CREATE or in the on_new_focus methods).
* Lock the parent entity
IF lr_entity->is_locked( ) = abap_false.
IF lr_entity->lock( ) = abap_false.
RETURN.
ENDIF.
ENDIF.
* If lock is successful
IF lr_entity->is_changeable( ) = abap_true.
TRY.
* Create the related entity
lr_entity = lr_entity->create_related_entity( iv_relation_name = 'BTPartnerBuyingCenter' ).
CATCH cx_crm_genil_model_error cx_crm_genil_duplicate_rel.
ENDTRY.
ENDIF.
Regards
Nisha
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