private DBObject updateForItem(Container container, SeriesRef seriesRef) {
MongoUpdateBuilder childUpdate =
MongoBuilders.update().setField(ItemTranslator.CONTAINER_ID, container.getId());
if (seriesRef != null) {
childUpdate.setField(ItemTranslator.SERIES_ID, seriesRef.getId());
}
DBObject update = childUpdate.build();
return update;
}
private BasicDBList dbosFromSeriesRefs(Iterable<SeriesRef> childRefs) {
return seriesRefTranslator.toDBList(SeriesRef.dedupeAndSort(childRefs));
}