2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 package org.onap.aai.sparky.sync;
25 import java.util.concurrent.atomic.AtomicInteger;
27 import org.onap.aai.sparky.analytics.AveragingRingBuffer;
28 import org.onap.aai.sparky.sync.config.NetworkStatisticsConfig;
30 public class TransactionRateMonitor {
32 private AtomicInteger numTransactions;
33 private AveragingRingBuffer responseTimeTracker;
34 private long startTimeInMs;
37 * Instantiates a new transaction rate controller.
39 * @param config the config
41 public TransactionRateMonitor(int numWorkerThreads, NetworkStatisticsConfig config) {
43 this.responseTimeTracker = new AveragingRingBuffer(
44 config.getNumSamplesPerThreadForRunningAverage() * numWorkerThreads);
45 this.startTimeInMs = System.currentTimeMillis();
46 this.numTransactions = new AtomicInteger(0);
50 * Track response time.
52 * @param responseTimeInMs the response time in ms
54 public void trackResponseTime(long responseTimeInMs) {
55 this.numTransactions.incrementAndGet();
56 responseTimeTracker.addSample(responseTimeInMs);
59 public long getAvg() {
60 return responseTimeTracker.getAvg();
63 public double getCurrentTps() {
64 if (numTransactions.get() > 0) {
65 double timeDelta = System.currentTimeMillis() - startTimeInMs;
66 double numTxns = numTransactions.get();
67 return (numTxns / timeDelta) * 1000.0;