1. Compare Active Subscriptions (DB) with the current request
    1. Find delta
      • we have the same subscription if we have the same combination of 
        1. cmhandle AND xpath filter AND datastore
    2. Update when there's overlapping
      • updating the status in the HZ map from 'PENDING' for duplicated request(s)

A:

Active Subscriptions model imported from Database

SubscriptionId

cmHandle

filter

datastore

A-10ch-1p1/c1ncmp-datastore:passthrough-operational
A-10ch-1p2/c2ncmp-datastore:passthrough-operational
A-10ch-2p1/c1ncmp-datastore:passthrough-operational
A-10ch-2p2/c2ncmp-datastore:passthrough-operational


Pending Subscriptions saved in CmSubscriptionCache

SubscriptionId

dmi-plugin

affectedCmHandles

status

A-10dmi-1["ch-1","ch-2"]PENDING
A-10dmi-2["ch-3"]PENDING

Wide Net → Narrow Net method

B: 


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