Re: Help with recursive relationship

From: Jerome Chan (eviltof..ac.com)
Date: Mon Sep 19 2005 - 21:58:17 EDT

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    The method resolveFault() does not work in my case. Some of my values
    are still null. refetchObject works. My object state is committed and
    not hollow.

    On 20 Sep 2005, at 1:27 AM, Mike Kienenberger wrote:

    > I don't have any insight into your situation, but calling
    >
    > firstLocation.resolveFault() might be better than
    > DC.refetchObject(firstLocation).
    >
    > On 9/19/05, Filip Balas <fbala..mail.com> wrote:
    >
    >> I don't like it, but unless someone can explain
    >> why this is happening, the only solution I can
    >> find is calling refetchObject() on the hollow object.
    >>
    >> Filip
    >>
    >>
    >> On 9/19/05, Filip Balas <fbala..mail.com> wrote:
    >>
    >>> FYI
    >>> The data for firstLocation is still in the
    >>> database... so it has not been deleted
    >>> inadvertantly and I have tried restarting
    >>> Tomcat in case I messed up something
    >>> in cayenne somehow.
    >>>
    >>> Filip
    >>>
    >>>
    >>> On 9/19/05, Filip Balas <fbala..mail.com> wrote:
    >>>
    >>>> I have a location object and table.
    >>>> The location table has:
    >>>> ID (index)
    >>>> parent_id (optional reference to an ID of another location)
    >>>> description
    >>>>
    >>>> Now I have the parent, children relationships mapped in cayenne.
    >>>> Recently I have encountered the following problem:
    >>>>
    >>>> fooLocation has two children:
    >>>> firstLocation (created using cayenne)
    >>>> secondLocation (created after firstLocation)
    >>>>
    >>>> When I execute fooLocation.getChildren()
    >>>> I recieve a list back that has:
    >>>> a hollow object with the id of firstLocation (state committed)
    >>>> a full location object with (state committed)
    >>>>
    >>>> Now I have used this relationship many times
    >>>> with all of my objects coming back fine...
    >>>> Now one of my objects is hollow which causes
    >>>> null pointer exceptions everywhere.
    >>>>
    >>>> Has anyone encountered this before?
    >>>>
    >>>> Filip
    >>>>
    >>>>
    >>>
    >>>
    >>
    >



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