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From DaanHoogland <>
Subject [GitHub] cloudstack pull request: return a state instead of null in Abstrac...
Date Fri, 01 May 2015 10:09:59 GMT
Github user DaanHoogland commented on the pull request:
    Abhinandan, I think that is a design flow and we should revisit. I doubt
    that it is relevant to this fix however. The stjatemachine was resetting
    the state of an object to null, which should never happen. especially with
    a state enum of
        Creating(true, false, false),
        Connecting(true, false, false),
        Up(true, false, false),
        Down(true, true, true),
        Disconnected(true, true, true),
        Alert(true, true, true),
        Removed(true, false, true),
        Error(true, false, true),
        Rebalancing(true, false, true);
    The page you mention has been last edited Sep 13, 2013. By capable people
    but can still be considered outdated. I think if we need to we should add
    UNKNOWN to the states but we shouldn't return null.
    Op vr 1 mei 2015 om 11:55 schreef Abhinandan Prateek <>:
    > The way HA is implemented, “null” is a valid return value from an
    > investigator. The valid values are Up, Down or null.
    > The other values may not be handled by HA impl., please check.
    > —
    > Reply to this email directly or view it on GitHub
    > <>.

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