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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