Re: Bug in nested DataContext?

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Thu Oct 04 2007 - 12:38:12 EDT

  • Next message: Michael Gentry: "Re: Bug in nested DataContext?"

    Looks like a bug. In any event probably worth investigating.

    Andrus

    On Oct 4, 2007, at 7:06 PM, Michael Gentry wrote:

    > I have a nested DataContext:
    >
    > DataContext childContext = parentContext.createChildDataContext();
    >
    > I have a Master and 3 Details (1-to-many) in the parent DC (in a
    > committed state), and pull the Master into the nested DC using
    > localObject(). If I then do the following:
    >
    > Master childMaster = (Master)
    > childContext.localObject(parentMaster.getObjectId(), null);
    >
    > Detail d = (Detail) childContext.newObject(Detail.class);
    > d.setXXXXXXXX(...); // do sets
    > childMaster.addToDetails(d);
    >
    > childContext.commitChangesToParent();
    >
    > childContext.deleteObject(d);
    > childMaster.removeFromDetails(d);
    > childContext.commitChangesToParent();
    >
    > I get an exception on the last commitChangesToParent():
    >
    > Exception in thread "main" org.apache.cayenne.CayenneRuntimeException:
    > [v.3.0M1 Jul 16 2007 22:25:33] Can't build a query for temporary id:
    > <ObjectId:Detail, TEMP:000004B078EB2838>
    >
    > Is this to be expected? If I change commitChangesToParent() to
    > commitChanges() it works ...
    >
    > Thanks,
    >
    > /dev/mrg
    >

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