Re: Conditions when PersistenceState gets "hollow"

From: Nishant Neeraj (nishant.has.a.questio..mail.com)
Date: Thu Apr 01 2010 - 14:28:18 EDT

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    Also, when I "touch" (call getXXX) on the object it return empty string.

    On Thu, Apr 1, 2010 at 11:29 PM, Nishant Neeraj <nishant....mail.com>wrote:

    > Hi,
    >
    > I am using Cayenne with Wicket.
    >
    > There are situations when I see object's persistence state HOLLOW.
    > Specially, when I have committed something on a page, say by form
    > submission, .... then clicked browser back button to come back to the same
    > page and try to resubmit the form.
    >
    > The problem is, when resubmitting, instead of over-writing the same
    > object.. it is trying to insert it in DB.. but since it has unique key that
    > conflicts which previous commit, MySQL throws an exception.
    >
    > I wanted to know what are the situations when a data object is assigned
    > HOLLOW?
    >
    >
    > Thanks
    > Nishant
    >
    >
    >



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