}

        @Override
        public String generateDocId(Map<String, Object> map) {
            return "doc_" + System.currentTimeMillis();
        }

        @Override
        public boolean calibrateCpuLoad() {
            cpuLoadCallCount.incrementAndGet();
            return true;
        }

        @Override
        public void waitForNoWaitingThreads() {
            // Do nothing in test
        }