Re: To-many relationship delete problem
Re: To-many relationship delete problem
- Subject: Re: To-many relationship delete problem
- From: Chuck Hill <email@hidden>
- Date: Wed, 18 Nov 2009 14:00:39 -0800
IIRC, the undo stack has a hand in processing deletions. You can only
have this at zero if you never delete anything. I do this in my EC
instead:
/**
* Overridden to clear undo stack after a successful save.
*/
public void saveChanges()
{
super.saveChanges();
if (undoManager() != null)
{
undoManager().removeAllActions();
}
}
Chuck
On Nov 18, 2009, at 12:52 PM, Lon Varscsak wrote:
Holy crap, I found my problem...but I don't understand why. I was
setting WODefaultUndoStackLimit=0 (trying to turn off undos) and
apparently something in EOF and/or Wonder isn't happy with that.
-Lon
On Wed, Nov 18, 2009 at 1:18 PM, Lon Varscsak <email@hidden
> wrote:
I'm having a problem where I'm removing an object from a to-many
relationship (that owns destination) and the objects are remaining
in the editing context after processRecentChanges() is called (or
saveChanges())...which then results in an exception being thrown
because I have objects that are orphaned and don't have a required
relationship set (since it was cleared in the "remove" operation).
I swear this is something new...because I tested this a few weeks
ago, and I fear it's caused by updating my version of Wonder....but
I can't figure out why or where it's all going wrong.
Disclosures:
* I am deleting an object that was also inserted into the same
editing context...both not in the database (so temporary gids)
* The editing context in question is a child editing context for
another, but I don't think that's the issue, because I can get it to
happen without this setup.
* Using Wonder from 11/16/2009 (previous version unknown...sometime
in Oct probably)
* WO 5.4.3
* I'm using Wonder with updateInverseRelationships=true (although I
can get it to fail with =false) ...and the relationship on both
sides is correct, it's just that it didn't remove the object from
the insertedObjects array
Thanks,
Lon
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
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