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From ahgittin <>
Subject [GitHub] incubator-brooklyn pull request: Return null SubscriptionContext w...
Date Mon, 18 May 2015 14:10:52 GMT
Github user ahgittin commented on the pull request:
    With this isn't it likely that when an entity is stopped someone might get the subscription
manager populated with a non-deployment context where the `initialManagementContext` is the
original context?  And so calls to `subscribe` and `unsubscribe` will do something when we
don't want them to?
    Granted the code here has grown to be unwieldy -- the original intention was to allow
a queuing context before the node is managed, which comes to life on management.  But removing
fail-fast behaviour doesn't seem like a good idea -- apart from for `unsubscribe` where it
seems fine.
    Does it make sense to change `isInitialManagementContextReal()` to `isInitialManagementContextUsable()`
and in there put a check `if (mode==NonDeploymentManagementContextMode.MANAGEMENT_STOPPED)
return false;` ?
    And I think you're right, we should also guard `getSubscriptionManger()` with a `STOPPED`
check, throwing or returning a non-deployment.

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