Re: UUID as primary key

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Thu Jul 13 2006 - 12:41:12 EDT

  • Next message: Øyvind Harboe: "Re: UUID as primary key"

    On Jul 13, 2006, at 12:32 PM, Øyvind Harboe wrote:

    > On 7/12/06, Gentry, Michael (Contractor)
    > <michael_gentr..anniemae.com> wrote:
    >> You could override setPersistenceState() in your Treatment class:
    >>
    >> public void setPersistenceState(int state)
    >> {
    >> super.setPersistenceState(state);
    >>
    >> // If object was just created, set PK
    >> if (state == PersistenceState.NEW)
    >> setId(UUID.randomUUID());
    >> }
    >
    > Hmmm... I tried that, but setPersistanceState() is invoked multilple
    > times with state=NEW and thus I'm changing the UUID each time. That
    > can't be right.

    No it can't - it should only be invoked once per object.

    Andrus

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