Example usage for com.google.common.base Stopwatch Stopwatch

Introduction

In this page you can find the example usage for com.google.common.base Stopwatch Stopwatch.

Prototype

Stopwatch() 

Source Link

Usage

From source file:pro.foundev.examples.spark_streaming.java.interactive.smartconsumer.DeduplicatingRabbitMQConsumer.java

public void run() {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    try {/*w w w  .  j  a  v  a 2 s  . c o m*/
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(EXCHANGE_NAME, true, consumer);
        Set<String> messages = new HashSet<>();
        Stopwatch stopwatch = new Stopwatch();
        stopwatch.start();
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            messages.add(message);

            if (stopwatch.elapsed(TimeUnit.MILLISECONDS) > 1000l) {
                System.out.println("it should be safe to submit messages now");
                for (String m : messages) {
                    //notifying user interface
                    System.out.println(m);
                }
                stopwatch.stop();
                stopwatch.reset();
                messages.clear();
            }
            if (messages.size() > 100000000) {
                System.out.println("save off to file system and clear before we lose everything");
                messages.clear();
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

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From source file:com.Grande.GSM.BACCWS_WAR.WS.REST.EOS.CPEEndpoint.java

@GET
public String fetchDHCPInfoByMAC(@QueryParam("mac") final String strMac) {

    // <editor-fold defaultstate="collapsed" desc="****** Method vars ******">
    final Stopwatch timer = new Stopwatch();
    final QueryResponse qRes = new QueryResponse();
    String strResponse = null;//from  ww w .  j  a v a 2s  . c om
    List lstCPE = null;
    // start the execution timer
    timer.start();
    // </editor-fold>

    try {

        qRes.vSetNode(java.net.InetAddress.getLocalHost().getHostName());
        lstCPE = this.bacEJB.mapFetchCPEByMac(strMac);
        qRes.vSetSuccessFlag(true);
        qRes.vSquashResult(lstCPE);

    } catch (Exception e) {

        // <editor-fold defaultstate="collapsed" desc="****** Handle failures ******">
        qRes.vSetSuccessFlag(false);
        // handle NPE differently since getMessage() is null
        if (e instanceof NullPointerException) {
            qRes.vSetMessage("NPE occured when serializing result to JSON! " + "File: "
                    + e.getStackTrace()[0].getFileName() + ", " + "Method: "
                    + e.getStackTrace()[0].getMethodName() + ", " + "Line: "
                    + e.getStackTrace()[0].getLineNumber());
        } else {
            qRes.vSetMessage(e.getMessage());
        }
        SimpleLogging.vLogException(this.strThreadId, e);
        // </editor-fold>

    } finally {

        // <editor-fold defaultstate="collapsed" desc="****** Stop timer, convert response to JSON ******">
        timer.stop();
        qRes.vSetRoundTrip(String.valueOf(timer.elapsedTime(TimeUnit.SECONDS)) + "."
                + String.valueOf(timer.elapsedTime(TimeUnit.MILLISECONDS)));
        strResponse = this.trnBN.strQueryResponseToJSON(qRes);
        SimpleLogging.vLogEvent(this.strThreadId + "|" + qRes.strGetRoundTripInSeconds() + "s",
                "retrieved " + qRes.intGetDataCount() + " records");
        // </editor-fold>

    }
    return strResponse;

}

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From source file:com.dvdprime.server.mobile.listener.ResourceWarmupListener.java

@Override
public void contextInitialized(ServletContextEvent event) {
    Stopwatch sw = new Stopwatch().start();
    logger.info("---------------------------------------------------------------");
    logger.info("--- START RESTful");
    logger.info("---------------------------------------------------------------");

    try {/*  www .  j a va 2 s.c  o  m*/
        logger.info("--- connect mysql  ---");
        DaoFactory.getInstance();
        logger.info("--- start notification manager ---");
        ncWorker.start();
        logger.info("------------------------------------------------------------------------");
        logger.info("SUCCESS RESTful");
    } catch (Exception e) {
        logger.error("caught a " + e.getClass() + " with message: " + e.getMessage(), e);
        logger.info("------------------------------------------------------------------------");
        logger.info("ERROR RESTful");
    } finally {
        logger.info("------------------------------------------------------------------------");
        logger.info("Total time: {}{}", sw.elapsed(TimeUnit.SECONDS), "s");
        logger.info("Finished at: {}", new Date());
        logger.info("------------------------------------------------------------------------");
    }
}

---

From source file:com.pedra.storefront.filters.RequestLoggerFilter.java

@Override
public void doFilterInternal(final HttpServletRequest request, final HttpServletResponse response,
        final FilterChain filterChain) throws IOException, ServletException {
    if (LOG.isDebugEnabled()) {
        final String requestDetails = buildRequestDetails(request);

        if (LOG.isDebugEnabled()) {
            LOG.debug(requestDetails + "Begin");
        }/*from   ww w  . ja v  a  2  s. com*/

        logCookies(request);

        final ResponseWrapper wrappedResponse = new ResponseWrapper(response);

        final Stopwatch stopwatch = new Stopwatch();
        stopwatch.start();
        try {
            filterChain.doFilter(request, wrappedResponse);
        } finally {
            stopwatch.stop();
            final int status = wrappedResponse.getStatus();

            if (status != 0) {
                LOG.debug(requestDetails + stopwatch.toString() + " (" + status + ")");
            } else {
                LOG.debug(requestDetails + stopwatch.toString());
            }
        }

        return;
    }

    filterChain.doFilter(request, response);
}

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From source file:org.apache.omid.tso.MonitoringContextImpl.java

public void timerStart(String name) {
    Stopwatch stopwatch = new Stopwatch();
    stopwatch.start();
    timers.put(name, stopwatch);
}

---

From source file:processing.BaselineCalculator.java

private static List<int[]> getPopularTags(BookmarkReader reader, int sampleSize, int limit) {
    timeString = "";
    List<int[]> tags = new ArrayList<int[]>();
    Stopwatch timer = new Stopwatch();
    timer.start();//from w  ww . jav  a  2s .  c o m

    int[] tagIDs = getPopularTagList(reader, limit);

    timer.stop();
    long trainingTime = timer.elapsed(TimeUnit.MILLISECONDS);
    timer = new Stopwatch();
    timer.start();
    for (int j = 0; j < sampleSize; j++) {
        tags.add(tagIDs);
    }
    timer.stop();
    long testTime = timer.elapsed(TimeUnit.MILLISECONDS);
    timeString += ("Full training time: " + trainingTime + "\n");
    timeString += ("Full test time: " + testTime + "\n");
    timeString += ("Average test time: " + testTime / sampleSize) + "\n";
    timeString += ("Total time: " + (trainingTime + testTime) + "\n");
    return tags;
}

---

From source file:processing.MPCalculator.java

private static List<int[]> getPopularTags(BookmarkReader reader, int sampleSize, int limit) {
    List<int[]> tags = new ArrayList<int[]>();
    Stopwatch timer = new Stopwatch();
    timer.start();/*from  www.jav a 2  s  .  c o m*/

    int[] tagIDs = getPopularTagList(reader, limit);

    timer.stop();
    long trainingTime = timer.elapsed(TimeUnit.MILLISECONDS);
    timer.reset();
    timer.start();
    for (int j = 0; j < sampleSize; j++) {
        tags.add(tagIDs);
    }
    timer.stop();
    long testTime = timer.elapsed(TimeUnit.MILLISECONDS);

    timeString = PerformanceMeasurement.addTimeMeasurement(timeString, true, trainingTime, testTime,
            sampleSize);
    return tags;
}

---

From source file:com.Grande.GSM.BACCWS_WAR.WS.REST.EOS.BACCAdminEndpoint.java

@Path("/AllowedDevices")
@GET/*w w  w.  j a  va  2 s .c om*/
public String fetchAllowedDevices() {

    // <editor-fold defaultstate="collapsed" desc="****** Method vars ******">
    final Stopwatch timer = new Stopwatch();
    final QueryResponse qRes = new QueryResponse();
    String strResponse = null;
    List lstResult = null;
    // start the execution timer
    timer.start();
    // </editor-fold>

    try {

        qRes.vSetNode(java.net.InetAddress.getLocalHost().getHostName());
        lstResult = this.bacEJB.lstFetchAllowedDeviceTypes();
        qRes.vSetSuccessFlag(true);
        qRes.vSquashResult(lstResult);

    } catch (Exception e) {

        // <editor-fold defaultstate="collapsed" desc="****** Handle failures ******">
        qRes.vSetSuccessFlag(false);
        // handle NPE differently since getMessage() is null
        if (e instanceof NullPointerException) {
            qRes.vSetMessage("NPE occured when serializing result to JSON! " + "File: "
                    + e.getStackTrace()[0].getFileName() + ", " + "Method: "
                    + e.getStackTrace()[0].getMethodName() + ", " + "Line: "
                    + e.getStackTrace()[0].getLineNumber());
        } else {
            qRes.vSetMessage(e.getMessage());
        }
        SimpleLogging.vLogException(this.strThreadId, e);
        // </editor-fold>

    } finally {

        // <editor-fold defaultstate="collapsed" desc="****** Stop timer, convert response to JSON ******">
        timer.stop();
        qRes.vSetRoundTrip(String.valueOf(timer.elapsedTime(TimeUnit.SECONDS)) + "."
                + String.valueOf(timer.elapsedTime(TimeUnit.MILLISECONDS)));
        strResponse = this.trnBN.strQueryResponseToJSON(qRes);
        SimpleLogging.vLogEvent(this.strThreadId + "|" + qRes.strGetRoundTripInSeconds() + "s",
                "retrieved " + qRes.intGetDataCount() + " records");
        // </editor-fold>

    }
    return strResponse;

}

---

From source file:eugene.simulation.agent.impl.StartAgentsBehaviour.java

@Override
public void action() {
    final Set<String> started = new HashSet<String>();
    final Stopwatch stopwatch = new Stopwatch().start();
    try {/* w ww  . j a  va  2s.  c  o  m*/
        int i = 0;
        for (final Agent a : agents) {
            final Simulation simulation = new SimulationImpl(myAgent.getAID(), marketAgent.getObject(), symbol);
            a.setArguments(new Simulation[] { simulation });
            final AgentContainer container = myAgent.getContainerController();
            final AgentController controller = container.acceptNewAgent(a.getClass().getSimpleName() + i++, a);
            controller.start();
            started.add(controller.getName());
        }

        LOG.info("Starting agents took {}", stopwatch.stop());
        result.success(started);
    } catch (StaleProxyException e) {
        LOG.error(ERROR_MSG, e);
        result.fail(started);
    }
}

---

From source file:demos.SynchronousInsert.java

public void run() {
    logger.info("Preparing to insert metric data points");

    Cluster cluster = Cluster.builder().addContactPoint("127.0.0.1").build();
    Session session = cluster.connect("demo");
    PreparedStatement insert = session
            .prepare("insert into metric_data (metric_id, time, value) values (?, ?, ?)");
    Random random = new Random();
    DateTime time = DateTime.now().minusYears(1);

    Stopwatch stopwatch = new Stopwatch().start();
    for (int i = 0; i < NUM_INSERTS; ++i) {
        String metricId = "metric-" + Math.abs(random.nextInt() % NUM_METRICS);
        double value = random.nextDouble();
        session.execute(insert.bind(metricId, time.toDate(), value));
        time = time.plusSeconds(10);/*from   www  .j a  v  a  2  s . c  o m*/
    }
    stopwatch.stop();

    logger.info("Finished inserting {} data points in {} ms", NUM_INSERTS,
            stopwatch.elapsed(TimeUnit.MILLISECONDS));
}

---

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