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The CPS-core notification system only sends data-update events when a root data node is created or the anchor is updated. There is no support for delete change. And, the existing supported operations are also not differentiated in the event. To define the operation type, we need to change the existing event structure and the changes on both the cps-core and cps-temporal sides to have backward compatibilitysupport the new event version. 

Proposal

Operation

OperationScenario
CREATE
  • The root data node is created for the first time
UPDATE
  • update action on the root 'data node'
  • create, update and delete action on the non-root data nodes
DELETE
  • Either anchor or root data node is deleted

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