Example usage for java.lang System nanoTime

Introduction

In this page you can find the example usage for java.lang System nanoTime.

Prototype

@HotSpotIntrinsicCandidate
public static native long nanoTime();

Source Link

Document

Returns the current value of the running Java Virtual Machine's high-resolution time source, in nanoseconds.

Usage

From source file:cc.osint.graphd.processes.TestGraphProcess.java

public void message(JSONObject msg) {
    try {//from   ww w  . j ava  2  s .  c  o  m
        JSONObject visited;
        if (!msg.has("visited")) {
            visited = new JSONObject();
        } else {
            visited = msg.getJSONObject("visited");
            if (visited.has(getContext().getString(Graph.KEY_FIELD))) {
                return;
            }
        }
        visited.put(getContext().getString(Graph.KEY_FIELD), System.nanoTime());
        msg.put("visited", visited);

        //log(getContext().getString(Graph.KEY_FIELD) + ": msg = " + msg);
        int maxLen = 9999999;
        if (msg.has("maxlen")) {
            maxLen = msg.getInt("maxlen");
        }

        int msgsSent = 0;
        if (JSONObject.getNames(visited).length < maxLen) {
            // spread like wildfire!
            Set<String> rels = null;
            if (msg.has("via")) {
                rels = new HashSet<String>();
                rels.add(msg.getString("via"));
            }
            Set<JSONVertex> neighbors = getGraph().getOutgoingNeighborsOf(getContext(), rels);
            for (JSONVertex neighbor : neighbors) {
                String neighborKey = neighbor.getString(Graph.KEY_FIELD);
                if (visited.has(neighborKey)) {
                    //log(">> already visited " + neighborKey + " at " + visited.getString(neighborKey));
                } else {
                    emit(neighborKey, "testGraphProcess", new JSONObject(msg.toString()));
                    msgsSent++;
                }
            }
        }

        if (msgsSent == 0) {
            JSONObject visitObj = msg.getJSONObject("visited");
            String[] pathKeys = JSONObject.getNames(visitObj);
            ;
            String[] pathKeys1 = new String[pathKeys.length];
            for (int i = 0; i < pathKeys.length; i++) {
                pathKeys1[i] = visitObj.getString(pathKeys[i]) + "|" + pathKeys[i];
            }
            Arrays.sort(pathKeys1);
            String p = "";
            for (String pk : pathKeys1) {
                String pk1 = pk.substring(pk.indexOf("|") + 1);
                p += " -> " + pk1;
            }
            log("ENDPOINT: " + p);
        } else {
            //log(getContext().getKey() + " -> " + msgsSent);
        }
    } catch (Exception ex) {
        ex.printStackTrace();
        try {
            log(getContext().getString(Graph.KEY_FIELD) + ": exception: " + ex.getMessage());
        } catch (Exception ex1) {
            ex1.printStackTrace();
        }
    }
}

---

From source file:is.merkor.cli.Main.java

public static List<String> processCommandLine(final CommandLine cmdLine) {
    String input = null;/*from w w w. ja v a  2  s  .  c  om*/
    String output = null;

    List<String> results = new ArrayList<String>();

    if (cmdLine.hasOption("help") || cmdLine.hasOption("h")) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("java -jar MerkOrExtraction.jar", MerkorCommandLineOptions.options);
        results.add("no message");
    }

    if (cmdLine.hasOption("input")) {
        input = cmdLine.getOptionValue("input");

    }
    if (cmdLine.hasOption("output")) {
        output = cmdLine.getOptionValue("output");
    }
    // bin - icenlp tag mapping
    if (cmdLine.hasOption("bin_mapping")) {
        if (null == input)
            results.add("no input given for bin_mapping!");
        else {
            List<String> wordclassList = new ArrayList<String>();
            wordclassList.add("noun");
            wordclassList.add("adjective");
            wordclassList.add("verb");
            long start = System.nanoTime();
            // process the file (or all files in inputDir) for each wordclass
            for (String wc : wordclassList) {

                IceTagsBinTagsMapping mapper = new IceTagsBinTagsMapping(wc);
                MerkorTokenReader reader = new MerkorTokenReader(mapper);

                File inputDir = new File(input);
                if (inputDir.isDirectory()) {
                    File[] files = inputDir.listFiles();
                    for (int i = 0; i < files.length; i++) {
                        System.out.println("file nr. " + i);
                        if (!files[i].getName().startsWith("."))
                            reader.readTokensFromFile(files[i].getAbsolutePath());
                    }
                } else if (inputDir.isFile()) {
                    reader.readTokensFromFile(inputDir.getAbsolutePath());
                }
            }
            double elapsedTime = (double) (System.nanoTime() - start) / 1000000000.0;
            System.out.println("Execution time: " + elapsedTime + " seconds!");
        }
    }
    // db-population
    if (cmdLine.hasOption("fill_db")) {
        String conn = cmdLine.getOptionValue("db_conn");
        String name = cmdLine.getOptionValue("db_name");
        String password = cmdLine.getOptionValue("password");

        if (null == conn || null == name || null == password || null == input) {
            results.add("connection, name, password and inputfile needed for option -fill_db!");
            return results;
        }
        long start = System.nanoTime();
        DBPopulation db_pop = new DBPopulation();
        db_pop.populateDBFromFile(conn, name, password, input);
        double elapsedTime = (double) (System.nanoTime() - start) / 1000000000.0;
        System.out.println("Execution time: " + elapsedTime + " seconds!");
    }

    if (cmdLine.hasOption("extract_patterns")) {
        PatternExtraction extr = new PatternExtraction();
        List<String> patterns = new ArrayList<String>();
        try {
            File inputDir = new File(input);
            if (inputDir.isDirectory()) {
                File[] dirs = inputDir.listFiles();
                for (int i = 0; i < dirs.length; i++) {
                    if (!dirs[i].getName().startsWith(".")) {
                        File[] files = dirs[i].listFiles();
                        for (int j = 0; j < files.length; j++) {
                            System.out.println("file nr. " + j);
                            if (!files[j].getName().startsWith(".")) {
                                MerkorFile current = new MerkorFile(files[j].getAbsolutePath());
                                for (String line : current) {
                                    extr.processLine(line);
                                    patterns = extr.getExtractedPatternsAsStrings();
                                }
                            }
                        }
                    }
                }
            } else {
                MerkorFile file = new MerkorFile(input);
                for (String line : file) {
                    extr.processLine(line);
                    patterns = extr.getExtractedPatternsAsStrings();
                }

            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        FileCommunicatorWriting.writeListNonAppend(output, patterns);
    }
    if (cmdLine.hasOption("merge_patterns")) {
        String relation = cmdLine.getOptionValue("relation");
        String passwd = cmdLine.getOptionValue("password");

        PatternMerger extr = new PatternMerger();
        List<String> patterns = new ArrayList<String>();

        patterns = extr.process(relation, passwd);

        FileCommunicatorWriting.writeListNonAppend(output, patterns);
    }

    if (cmdLine.hasOption("relations2dbstatements")) {
        Relations2DBStatements lexReader = new Relations2DBStatements();
        String directory = "../relationDetectorResults/";

        File[] fileList = FileCommunicatorReading.getFileList(directory);

        for (File file : fileList) {
            String fName = file.getName();
            String relation = fName.substring(0, fName.indexOf('.'));
            int relId = LexicalRelationType.getTypeId(relation);

            if (relId > 0)
                lexReader.processFile(directory + fName, relId);
            else
                System.out.println("no relId found for " + relation);
        }
    }

    return results;
}

---

From source file:apiserver.services.pdf.service.ExtractPdfTextCFService.java

public Object execute(Message<?> message) throws ColdFusionException {
    ExtractTextResult props = (ExtractTextResult) message.getPayload();

    try {//from w ww .  j  ava2s.c om
        long startTime = System.nanoTime();
        Grid grid = verifyGridConnection();

        // Get grid-enabled executor service for nodes where attribute 'worker' is defined.
        ExecutorService exec = getColdFusionExecutor();

        Future<StringResult> future = exec
                .submit(new ExtractTextCallable(props.getFile().getFileBytes(), props.getOptions()));

        StringResult _result = future.get(defaultTimeout, TimeUnit.SECONDS);
        props.setResult(_result.getResult());

        long endTime = System.nanoTime();
        log.debug("execution times: CF=" + _result.getStats().getExecutionTime() + "ms -- total="
                + (endTime - startTime) + "ms");

        return props;
    } catch (Exception ge) {
        throw new RuntimeException(ge);
    }
}

---

From source file:com.cloudera.oryx.app.serving.als.LoadIT.java

@Ignore("Difficult to assert about time in cross-platform way; run manually")
@Test/*from w w  w  .  j a v a 2  s  . c o m*/
public void testContainerOverhead() {
    long startNS = System.nanoTime();
    int requests = 10000;
    for (int i = 0; i < requests; i++) {
        try {
            target("/").request().get(LIST_ID_VALUE_TYPE);
        } catch (NotFoundException nfe) {
            // continue
        }
    }
    long usecPerRequest = Math.round((System.nanoTime() - startNS) / (requests * 1000.0));
    log.info("{} microseconds / request", usecPerRequest);
    Assert.assertTrue(usecPerRequest < 3000);
}

---

From source file:moxy.ProxyActiveMqTest.java

private void assertWeCanSendAndReceiveAMessageOn(JmsMessagingTemplate jms) {
    final String queueName = "testQueue-" + System.nanoTime();
    final String message = String.valueOf(System.nanoTime());

    jms.convertAndSend(queueName, message);

    RetryableAssertion retryable = new RetryableAssertion() {
        protected void assertion() {
            assertEquals(message, jms.receiveAndConvert(queueName, String.class));

        }/* w w  w .  j  av a 2  s .  com*/
    };
    retryable.performAssertion();
    assertableListener.assertConnectionWasMadeOn(7878);
}

---

From source file:com.webtide.jetty.load.generator.jenkins.LoadGeneratorProcessRunner.java

public void runProcess(TaskListener taskListener, FilePath workspace, Launcher launcher, String jdkName, //
        Node currentNode, List<Resource.NodeListener> nodeListeners, //
        List<LoadGenerator.Listener> loadGeneratorListeners, //
        List<String> args, String jvmExtraArgs, String alpnVersion, //
        Map<String, String> jdkVersionAlpnBootVersions) throws Exception {

    Channel channel = null;/*from  ww  w  .  ja v a 2s  .  c  o m*/

    try {
        long start = System.nanoTime();

        JDK jdk = StringUtils.isEmpty(jdkName) ? //
                null : Jenkins.getInstance().getJDK(jdkName).forNode(currentNode, taskListener);

        channel = new LoadGeneratorProcessFactory().buildChannel(taskListener, jdk, workspace, launcher,
                jvmExtraArgs);

        // alpn version from jdk
        if (StringUtils.isEmpty(alpnVersion) && !StringUtils.equals(alpnVersion, "N/A")) {

            String javaVersion = findJavaVersion(channel, taskListener);
            alpnVersion = jdkVersionAlpnBootVersions.get(javaVersion);
            // download alpn jar
        }

        channel.call(new LoadCaller(args, nodeListeners, loadGeneratorListeners));

        long end = System.nanoTime();

        taskListener.getLogger().println("remote LoadGenerator execution done: " //
                + TimeUnit.NANOSECONDS.toMillis(end - start) //
                + " ms ");
    } finally {
        if (channel != null) {
            channel.close();
        }
    }

}

---

From source file:com.example.HoneycombFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    if (!(request instanceof HttpServletRequest)) {
        chain.doFilter(request, response);
        return;//from w w  w  . j a  v a 2  s. co m
    }
    HttpServletRequest req = (HttpServletRequest) request;
    long start = System.nanoTime();
    try {
        chain.doFilter(request, response);
    } finally {
        long responseTimeNanos = System.nanoTime() - start;
        Event event = libhoney.newEvent();
        event.addField("method", req.getMethod());
        event.addField("path", req.getRequestURI());
        event.addField("query", req.getQueryString());
        Principal principal = req.getUserPrincipal();
        if (principal != null) {
            event.addField("user", principal.getName());
        }
        event.addField("host", req.getRemoteHost());
        event.addField("responseTimeNanos", responseTimeNanos);
        try {
            event.send();
        } catch (HoneyException e) {
            log.error(e.getMessage(), e);
        }
    }
}

---

From source file:biz.c24.io.spring.batch.reader.performance.util.ItemReaderJobRunner.java

/**
 * Executes the test.//from  w w  w . jav a 2  s.c  o  m
 * Fires up the specified number of threads to invoke read on the C24ItemReader until there
 * is no more data to read.
 * Tracks the number of items read and the cumulative processing time.
 */
public void runJob() {

    ItemReaderJobRunner.Worker<ComplexDataObject>[] workers = new ItemReaderJobRunner.Worker[numThreads];

    C24ItemReader<ComplexDataObject> reader = createReader();

    for (int i = 0; i < workers.length; i++) {
        workers[i] = new ItemReaderJobRunner.Worker<ComplexDataObject>();
        workers[i].setReader(reader);
        workers[i].start();
    }

    recordsProcessed = 0;
    long startTime = System.nanoTime();

    for (int i = 0; i < workers.length; i++) {
        try {
            workers[i].join(200000);
            recordsProcessed += workers[i].getCount();
            if (workers[i].getException() != null) {
                throw new RuntimeException(workers[i].getException());
            }

        } catch (InterruptedException e) {
            throw new RuntimeException("Interrupted waiting on thread");
        }
        if (workers[i].isAlive()) {
            throw new RuntimeException("Timed out waiting for thread to complete its work");
        }
    }

    runTime = System.nanoTime() - startTime;

    reader.cleanup();
}

---

From source file:info.simplecloud.scimproxy.compliance.test.WorkingPostTest.java

@Override
public List<TestResult> run() {
    List<TestResult> results = new ArrayList<>();

    // simple user
    User scimUser = new User();
    Group scimGroup = new Group();

    // full user//w ww  .  jav a 2  s .c  om
    User scimUserFull = getUser();

    long nanoTime = System.nanoTime();
    // user
    scimUser.setUserName("J" + nanoTime);
    results.add(create("json", scimUser, false));
    scimUser.setUserName("Js" + nanoTime);
    results.add(create("json", scimUser, true));
    scimUserFull.setUserName("Jso" + nanoTime);
    results.add(create("json", scimUserFull, false));

    // group
    scimGroup.setDisplayName("ScimGroupJson");
    results.add(create("json", scimGroup, false));

    // run same tests but now with XML
    if (csp.getSpc().hasXmlDataFormat()) {
        // user
        scimUser.setUserName("X" + nanoTime);
        results.add(create("xml", scimUser, false));
        scimUser.setUserName("Xm" + nanoTime);
        results.add(create("xml", scimUser, true));
        scimUserFull.setUserName("Xml" + nanoTime);
        results.add(create("xml", scimUserFull, false));

        // group
        scimGroup.setDisplayName("ScimGroupXml");
        results.add(create("xml", scimGroup, false));
    }

    return results;
}

---

From source file:ch.algotrader.util.metric.MetricsUtil.java

/**
 * print-out all metric values/*  w  w w.  j  a  va2  s. com*/
 */
public static void logMetrics() {

    if (isMetricsEnabled && LOGGER.isInfoEnabled()) {

        if (ConfigLocator.instance().getCommonConfig().isSimulation()) {
            LOGGER.info("TotalDuration: {} millis", (System.nanoTime() - startMillis));
        }

        for (Metric metric : metrics.values()) {
            LOGGER.info("{}: {} millis {} executions", metric.getName(), metric.getTime(),
                    metric.getExecutions());
        }
    }
}

---

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