[infinispan-issues] [JBoss JIRA] (ISPN-11266) Split CacheTopologyControlCommand into individual commands

[Tristan Tarrant (Jira)]

     [ https://issues.redhat.com/browse/ISPN-11266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tristan Tarrant updated ISPN-11266:
-----------------------------------
    Fix Version/s: 11.0.0.Beta1
                       (was: 11.0.0.Alpha1)


> Split CacheTopologyControlCommand into individual commands
> ----------------------------------------------------------
>
>                 Key: ISPN-11266
>                 URL: https://issues.redhat.com/browse/ISPN-11266
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Core
>    Affects Versions: 10.1.1.Final
>            Reporter: Ryan Emerson
>            Assignee: Ryan Emerson
>            Priority: Major
>             Fix For: 11.0.0.Beta1
>
>
> Currently the {{CacheTopologyControlCommand}} uses a Type field and a switch statement to differentiate between various topology actions. This worked well for the old Externalizer approach, however it does not fit well with protobuf messages. Instead,  the CacheTopologyControlCommand should be split into individual commands, e.g. a TopologyJoinCommand etc.
> This enables the logic of the command types to be separated, making it easier to maintain backwards compatibility in the long term.  Each command will use a ProtoStream TypeId in the range of 1000 -> 3999, so the cost of two bytes is the same as the existing class ID plus enum Type that we require with the single CacheTopologyControlCommand.



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