}
private static List<ItemAndAttributes> getParallel(List<SdbItem> items, Executor executor, EntityManagerSimpleJPA em) throws InterruptedException, ExecutionException {
CompletionService<ItemAndAttributes> ecs = new ExecutorCompletionService<ItemAndAttributes>(executor);
for (SdbItem item : items) {
Callable callable = new GetAttributes(item, em);
ecs.submit(callable);
}
List<ItemAndAttributes> ret = new ArrayList<ItemAndAttributes>();
int n = items.size();
for (int i = 0; i < n; ++i) {