// Fire off a FindOpenSeats so that we can prime ourselves
Pair<Object[], ProcedureCallback> pair = benchmarkClient.getFindOpenSeatsParams();
assert(pair != null);
Object params[] = pair.getFirst();
WrapperProcedureCallback callback = new WrapperProcedureCallback(1, pair.getSecond());
client.callProcedure(callback, Transaction.FIND_OPEN_SEATS.getExecName(), params);
// Wait until it's done
boolean ret = callback.latch.await(1000, TimeUnit.MILLISECONDS);
assertTrue(callback.latch.toString(), ret);