Hello Michael, yes, this was Andrus idea. I like it.
---------------- Perhaps one other way to deal with deletions, is to return a collection of removed objects from the method, leaving it up to the caller to deal with them: // sync... List<? extends DataObject> removed = o.setToManyTarget(Artist.PAINTINGS.getName(), newPaintings, true); // delete ... or not // o.getObjectContext().deleteObjects(removed); ------------ Am 07.12.2015 um 16:49 schrieb Michael Gentry: > Hi Johannes, > > Are you anticipating something like this if you want to actually delete > objects instead of just unlink them? > > dataContext.deleteObjects(cayenneDataObject.setToManyTarget(...)); > > Thanks, > > mrg > > > On Mon, Dec 7, 2015 at 1:33 AM, Andrus Adamchik <and...@objectstyle.org> > wrote: > >> Thanks for the new version. Looks good to me. Let's maybe write some unit >> tests and create a new pull request. >> >> Andrus >> >>> On Dec 7, 2015, at 1:07 AM, Johannes <jo...@posteo.de> wrote: >>> >>> Sure, here is a tidy commit: >>> >> https://github.com/apache/cayenne/commit/1358dad4e3ae2cf2735aa223b869e4b85f18508e >>> >>> Didn't know how to manipulate commits afterwards. I closed the pull >>> request and made my clean commit on a fresh reforked master version. >>> >>> Best Regards. Johannes >>> >>> Am 06.12.2015 um 10:05 schrieb Aristedes Maniatis: >>>> Great. Do you want to tidy up the commits on your pull request. >>>> >>>> https://github.com/apache/cayenne/pull/61/commits >>>> >>>> Ari >>>> >>>> On 6/12/2015 2:19am, Johannes wrote: >>>>> Dear list, >>>>> >>>>> I want to bring back my idea from February into discussion. It was >> about >>>>> introducing a setToManyTarget Method in the CayenneDataObject, but it >>>>> was not finished (mail archive: >>>>> >> http://mail-archives.apache.org/mod_mbox/cayenne-dev/201501.mbox/%3C0DBA750D-A847-4CC1-8EAC-9DCFB5A0FECA% >>>>> 40objectstyle.org%3E ) >>>>> >>>>> >>>>> My last action was, implementing Andrus advice to retrieve old >>>>> DataObjects, which can be deleted manually: >>>>> >>>>> // sync... >>>>> List<? extends DataObject> removed = >>>>> o.setToManyTarget(Artist.PAINTINGS.getName(), newPaintings, >>>>> true); >>>>> >>>>> // delete ... or not >>>>> // o.getObjectContext().deleteObjects(removed); >>>>> >>>>> >>>>> This was implemented immediatly by myself with following commit, but I >>>>> forgot to mention it on the list: >>>>> It was implemented in >>>>> >> https://github.com/jotpe/cayenne/commit/b930886a9ab24fa8b82a7e8efeaf6d2437bd5d96 >>>>> >>>>> >>>>> Best Regards. >>>>> Johannes >>>>> >>>> >>> >>> >> >> >
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