public Pair<List<S>, Long> call(AggregateService instance) throws IOException {
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) {
return pair;
}
List<S> list = new ArrayList<S>();
for (int i = 0; i < response.getFirstPartCount(); i++) {
ByteString b = response.getFirstPart(i);
T t = ProtobufUtil.getParsedGenericInstance(ci.getClass(), 4, b);
S s = ci.getPromotedValueFromProto(t);
list.add(s);
}
pair.setFirst(list);
ByteBuffer bb = ByteBuffer.allocate(8).put(
getBytesFromResponse(response.getSecondPart()));
bb.rewind();
pair.setSecond(bb.getLong());
return pair;
}
}, stdCallback);