Using eTags for concurrency control - Does it help for all the scenarios ?

Dear All,

SAP Gatway framework suggest using eTags to achieve conccurency control. However eTags doesnt actually lock the data instead it allows all the users to edit the data and check this when saving in the backend.This actually contradicts the behaviour we see in typical SAP transactions.

Is there any techinques to achieve SAP Transaction like behaviuor(Pessimistic lock) in SAPUI5/Gateway applications ?

Thanks for the help !

Regards

Prabahran Asokan