ServerRpcController controller = new ServerRpcController();
BlockingRpcCallback<AggregateResponse> rpcCallback =
new BlockingRpcCallback<AggregateResponse>();
instance.getStd(controller, requestArg, rpcCallback);
AggregateResponse response = rpcCallback.get();
if (controller.failedOnException()) {
throw controller.getFailedOn();
}
Pair<List<S>,Long> pair =
new Pair<List<S>, Long>(new ArrayList<S>(), 0L);
if (response.getFirstPartCount() == 0) {