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Membership
The group policy provider is responsible for providing the GroupPolicy.json file, which is part of a CPI as a GroupPolicy java object, for a given holding identity.
There is only one implementation class planned. This implementation depends on the virtual node read component to retrieve virtual node information for a given holding identity, and the CPI information component to retrieve the CPI metadata for a virtual node. From the CPI metadata, this component can retrieve the group policy file as a string which it then parses to a GroupPolicy object.
This is planned to be used by the MembershipGroupReaderProvider implementation to expose the GroupPolicy object internally through the group reader objects to any interested parties. It will also be used in the static registration implementation of the MemberRegistrationService since in the case of a static network the GroupPolicy.json file will define the static member list.
Start event:
- Creates cache map (if it hasn't already been created or it has been closed)
- Create registration handle for dependencies (if it hasn't already been created)
Registration changed to status UP event:
- Creates cache map (if it hasn't already been created or it has been closed)
- Creates callback with virtual node service so that the cache is updated when virtual node info changes.
- Sets lifecycle status to UP
Registration changed to status DOWN event:
- Sets lifecycle status to DOWN
- Closes handle on virtual node component callback
- Closes cache map (nullifies)
Stop event:
- Sets lifecycle status to DOWN
- Closes handle on virtual node component callback
- Closes handle on registration for dependency components
- Closes cache map (nullifies)