du.setCollections(createCollectionRefSet(collection)); du.setCollections(createCollectionRefSet(randomString(2, false)));
du.setCollections(getCollectionRefSet(doc, DeliverableUnitField.COLLECTIONS)); du.setFormerExternalRefs(getStringSet(doc, du.setCollections(getCollectionRefSet(doc, DeliverableUnitField.COLLECTIONS)); du.setFormerExternalRefs(getStringSet(doc,