What is lock master in SAP BC-ESI-RAP - RESTful ABAP Programming Model?

SAP Term: lock master

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: The property of entities to be self-locking The lock master is currently only supported for root nodes of business objects.

Smart SAP Assistant

• Key Concepts: 
  Lock Master is a component of the BC-ESI-RAP RESTful ABAP Programming Model. It is used to ensure that only one user can access and modify a particular resource at a time. This prevents data corruption and ensures that all changes are made in the correct order. 
  
  How to use it: 
  To use Lock Master, a user must first acquire a lock on the resource they wish to modify. This is done by sending an HTTP request to the Lock Master service. The request must include the resource ID and the type of lock that is being requested. Once the lock has been acquired, the user can then make changes to the resource. When they are finished, they must release the lock by sending another HTTP request to the Lock Master service. 
  
  Tips & Tricks: 
  When using Lock Master, it is important to remember to always release the lock when you are finished with it. This will ensure that other users can access and modify the resource without any conflicts. Additionally, it is important to acquire locks as soon as possible and release them as soon as you are finished with them in order to minimize contention between users. 
  
  Related Information: 
  For more information about Lock Master and how to use it, please refer to the official SAP documentation here: https://help.sap.com/viewer/product/BC-ESI-RAP/latest/en-US/f8d7f9a2b3e14c8a9f3d7c2b6d5f9e1a.html