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

List of usage examples for com.google.common.base Stopwatch stop

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Introduction

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

Prototype

public Stopwatch stop()

Source Link

Document

Stops the stopwatch.

Usage

From source file:de.schildbach.wallet.WalletApplication.java

private void initMnemonicCode() {
    try {/*from w w w. j  a v a 2  s .  c om*/
        final Stopwatch watch = Stopwatch.createStarted();
        MnemonicCode.INSTANCE = new MnemonicCode(getAssets().open(BIP39_WORDLIST_FILENAME), null);
        watch.stop();
        log.info("BIP39 wordlist loaded from: '{}', took {}", BIP39_WORDLIST_FILENAME, watch);
    } catch (final IOException x) {
        throw new Error(x);
    }
}

From source file:ch.ge.ve.protopoc.service.protocol.DefaultVotingClient.java

@Override
public List<String> sumbitVote(String identificationCredentials, List<Integer> selections)
        throws VoteCastingException {
    Preconditions.checkState(publicParameters != null,
            "The public parameters need to have been retrieved first");
    Preconditions.checkState(electionSet != null, "The electionSet needs to have been retrieved first");

    Stopwatch stopwatch = Stopwatch.createStarted();
    List<EncryptionPublicKey> publicKeyParts = bulletinBoardService.getPublicKeyParts();
    EncryptionPublicKey systemPublicKey = keyEstablishmentAlgorithms.getPublicKey(publicKeyParts);

    BallotQueryAndRand ballotQueryAndRand = computeBallot(identificationCredentials, selections,
            systemPublicKey);//from w ww  . jav a 2s . co  m
    randomizations = ballotQueryAndRand.getBold_r();
    stopwatch.stop();
    stats.voteEncodingTime = stopwatch.elapsed(TimeUnit.MILLISECONDS);

    List<ObliviousTransferResponse> obliviousTransferResponses = sentBallotAndQuery(
            ballotQueryAndRand.getAlpha());

    stopwatch.reset().start();
    pointMatrix = computePointMatrix(selections, obliviousTransferResponses);
    List<String> returnCodes = voteCastingClientAlgorithms.getReturnCodes(selections, pointMatrix);
    stopwatch.stop();
    stats.verificationCodesComputationTime = stopwatch.elapsed(TimeUnit.MILLISECONDS);

    return returnCodes;
}

From source file:com.example.postgres.PostgresSqlServlet.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {

    final String createTableSql = "CREATE TABLE IF NOT EXISTS visits ( visit_id SERIAL NOT NULL, "
            + "user_ip VARCHAR(46) NOT NULL, ts timestamp NOT NULL, " + "PRIMARY KEY (visit_id) );";
    final String createVisitSql = "INSERT INTO visits (user_ip, ts) VALUES (?, ?);";
    final String selectSql = "SELECT user_ip, ts FROM visits ORDER BY ts DESC " + "LIMIT 10;";

    String path = req.getRequestURI();
    if (path.startsWith("/favicon.ico")) {
        return; // ignore the request for favicon.ico
    }/*from ww w  .  j av a2  s.  co  m*/

    PrintWriter out = resp.getWriter();
    resp.setContentType("text/plain");

    // store only the first two octets of a users ip address
    String userIp = req.getRemoteAddr();
    InetAddress address = InetAddress.getByName(userIp);
    if (address instanceof Inet6Address) {
        // nest indexOf calls to find the second occurrence of a character in a string
        // an alternative is to use Apache Commons Lang: StringUtils.ordinalIndexOf()
        userIp = userIp.substring(0, userIp.indexOf(":", userIp.indexOf(":") + 1)) + ":*:*:*:*:*:*";
    } else if (address instanceof Inet4Address) {
        userIp = userIp.substring(0, userIp.indexOf(".", userIp.indexOf(".") + 1)) + ".*.*";
    }

    Stopwatch stopwatch = Stopwatch.createStarted();
    try (PreparedStatement statementCreateVisit = conn.prepareStatement(createVisitSql)) {
        conn.createStatement().executeUpdate(createTableSql);
        statementCreateVisit.setString(1, userIp);
        statementCreateVisit.setTimestamp(2, new Timestamp(new Date().getTime()));
        statementCreateVisit.executeUpdate();

        try (ResultSet rs = conn.prepareStatement(selectSql).executeQuery()) {
            stopwatch.stop();
            out.print("Last 10 visits:\n");
            while (rs.next()) {
                String savedIp = rs.getString("user_ip");
                String timeStamp = rs.getString("ts");
                out.println("Time: " + timeStamp + " Addr: " + savedIp);
            }
            out.println("Elapsed: " + stopwatch.elapsed(TimeUnit.MILLISECONDS));
        }
    } catch (SQLException e) {
        throw new ServletException("SQL error", e);
    }
}

From source file:com.example.cloudsql.CloudSqlServlet.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    final String createTableSql = "CREATE TABLE IF NOT EXISTS visits ( visit_id INT NOT NULL "
            + "AUTO_INCREMENT, user_ip VARCHAR(46) NOT NULL, timestamp DATETIME NOT NULL, "
            + "PRIMARY KEY (visit_id) )";
    final String createVisitSql = "INSERT INTO visits (user_ip, timestamp) VALUES (?, ?)";
    final String selectSql = "SELECT user_ip, timestamp FROM visits ORDER BY timestamp DESC " + "LIMIT 10";

    String path = req.getRequestURI();
    if (path.startsWith("/favicon.ico")) {
        return; // ignore the request for favicon.ico
    }// w w w . j  a  v  a  2s  .c  o m

    PrintWriter out = resp.getWriter();
    resp.setContentType("text/plain");

    // store only the first two octets of a users ip address
    String userIp = req.getRemoteAddr();
    InetAddress address = InetAddress.getByName(userIp);
    if (address instanceof Inet6Address) {
        // nest indexOf calls to find the second occurrence of a character in a string
        // an alternative is to use Apache Commons Lang: StringUtils.ordinalIndexOf()
        userIp = userIp.substring(0, userIp.indexOf(":", userIp.indexOf(":") + 1)) + ":*:*:*:*:*:*";
    } else if (address instanceof Inet4Address) {
        userIp = userIp.substring(0, userIp.indexOf(".", userIp.indexOf(".") + 1)) + ".*.*";
    }

    Stopwatch stopwatch = Stopwatch.createStarted();
    try (PreparedStatement statementCreateVisit = conn.prepareStatement(createVisitSql)) {
        conn.createStatement().executeUpdate(createTableSql);
        statementCreateVisit.setString(1, userIp);
        statementCreateVisit.setTimestamp(2, new Timestamp(new Date().getTime()));
        statementCreateVisit.executeUpdate();

        try (ResultSet rs = conn.prepareStatement(selectSql).executeQuery()) {
            stopwatch.stop();
            out.print("Last 10 visits:\n");
            while (rs.next()) {
                String savedIp = rs.getString("user_ip");
                String timeStamp = rs.getString("timestamp");
                out.print("Time: " + timeStamp + " Addr: " + savedIp + "\n");
            }
            out.println("Elapsed: " + stopwatch.elapsed(TimeUnit.MILLISECONDS));
        }
    } catch (SQLException e) {
        throw new ServletException("SQL error", e);
    }
}

From source file:org.apache.jackrabbit.oak.scalability.suites.ScalabilityAbstractSuite.java

/**
 * Runs the iteration of the benchmarks added.
 * /*from w  w  w. j  av a 2  s  . c o  m*/
 * @param context the execution context
 * @throws Exception 
 */
private void runIteration(ExecutionContext context) throws Exception {
    Preconditions.checkArgument(benchmarks != null && !benchmarks.isEmpty(), "No Benchmarks configured");

    for (String key : benchmarks.keySet()) {
        ScalabilityBenchmark benchmark = benchmarks.get(key);
        if (result.getBenchmarkStatistics(benchmark) == null) {
            result.addBenchmarkStatistics(benchmark, new SynchronizedDescriptiveStatistics());
        }

        Stopwatch watch = Stopwatch.createStarted();

        executeBenchmark(benchmark, context);

        watch.stop();
        result.getBenchmarkStatistics(benchmark).addValue(watch.elapsed(TimeUnit.MILLISECONDS));

        if (LOG.isDebugEnabled()) {
            LOG.debug("Execution time for " + benchmark + "-" + watch.elapsed(TimeUnit.MILLISECONDS));
        }
    }
}

From source file:org.locationtech.geogig.remote.HttpRemoteRepo.java

/**
 * Retrieve objects from the remote repository, and update have/want lists accordingly.
 * Specifically, any retrieved commits are removed from the want list and added to the have
 * list, and any parents of those commits are removed from the have list (it only represents the
 * most recent common commits.) Retrieved objects are added to the local repository, and the
 * want/have lists are updated in-place.
 * /*w ww.  j  a  v  a2  s. co m*/
 * @param want a list of ObjectIds that need to be fetched
 * @param have a list of ObjectIds that are in common with the remote repository
 * @param progress
 */
private void fetchMoreData(final List<ObjectId> want, final Set<ObjectId> have,
        final ProgressListener progress) {
    final JsonObject message = createFetchMessage(want, have);
    final URL resourceURL;
    try {
        resourceURL = new URL(repositoryURL.toString() + "/repo/batchobjects");
    } catch (MalformedURLException e) {
        throw Throwables.propagate(e);
    }

    final HttpURLConnection connection;
    try {
        final Gson gson = new Gson();
        OutputStream out;
        final Writer writer;
        connection = (HttpURLConnection) resourceURL.openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.addRequestProperty("Accept-Encoding", "gzip");
        out = connection.getOutputStream();
        writer = new OutputStreamWriter(out);
        gson.toJson(message, writer);
        writer.flush();
        out.flush();
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }

    final HttpUtils.ReportingInputStream in = HttpUtils.getResponseStream(connection);

    BinaryPackedObjects unpacker = new BinaryPackedObjects(localRepository.objectDatabase());
    BinaryPackedObjects.Callback callback = new BinaryPackedObjects.Callback() {
        @Override
        public void callback(Supplier<RevObject> supplier) {
            RevObject object = supplier.get();
            progress.setProgress(progress.getProgress() + 1);
            if (object instanceof RevCommit) {
                RevCommit commit = (RevCommit) object;
                want.remove(commit.getId());
                have.removeAll(commit.getParentIds());
                have.add(commit.getId());
            } else if (object instanceof RevTag) {
                RevTag tag = (RevTag) object;
                want.remove(tag.getId());
                have.remove(tag.getCommitId());
                have.add(tag.getId());
            }
        }
    };

    Stopwatch sw = Stopwatch.createStarted();
    IngestResults ingestResults = unpacker.ingest(in, callback);
    sw.stop();

    String msg = String.format(
            "Processed %,d objects. Inserted: %,d. Existing: %,d. Time: %s. Compressed size: %,d bytes. Uncompressed size: %,d bytes.",
            ingestResults.total(), ingestResults.getInserted(), ingestResults.getExisting(), sw,
            in.compressedSize(), in.unCompressedSize());
    LOGGER.info(msg);
    progress.setDescription(msg);
}

From source file:com.microsoft.azure.servicebus.samples.prefetch.Prefetch.java

long sendAndReceiveMessages(IMessageSender sender, IMessageReceiver receiver, int messageCount)
        throws Exception {
    // Now we can start sending messages.
    Random rnd = new Random();
    byte[] mockPayload = new byte[100]; // 100 random-byte payload

    rnd.nextBytes(mockPayload);//from  www . ja v a  2s  . c om

    System.out.printf("\nSending %d messages to the queue\n", messageCount);
    ArrayList<CompletableFuture<Void>> sendOps = new ArrayList<>();
    for (int i = 0; i < messageCount; i++) {
        IMessage message = new Message(mockPayload);
        message.setTimeToLive(Duration.ofMinutes(5));
        sendOps.add(sender.sendAsync(message));
    }
    CompletableFuture.allOf(sendOps.toArray(new CompletableFuture<?>[sendOps.size()])).join();

    System.out.printf("Send completed\n");

    // Receive the messages
    System.out.printf("Receiving messages...\n");

    // Start stopwatch
    Stopwatch stopWatch = Stopwatch.createStarted();

    IMessage receivedMessage = receiver.receive(Duration.ofSeconds(5));
    while (receivedMessage != null) {
        // here's where you'd do any work

        // complete (round trips)
        receiver.complete(receivedMessage.getLockToken());

        if (--messageCount <= 0)
            break;

        // now get the next message
        receivedMessage = receiver.receive(Duration.ofSeconds(5));
    }
    // Stop the stopwatch
    stopWatch.stop();

    System.out.printf("Receive completed\n");

    long timeTaken = stopWatch.elapsed(TimeUnit.MILLISECONDS);
    System.out.printf("Time to receive and complete all messages = %d milliseconds\n", timeTaken);

    return timeTaken;
}

From source file:org.locationtech.geogig.remote.http.HttpRemoteRepo.java

/**
 * Retrieve objects from the remote repository, and update have/want lists accordingly.
 * Specifically, any retrieved commits are removed from the want list and added to the have
 * list, and any parents of those commits are removed from the have list (it only represents the
 * most recent common commits.) Retrieved objects are added to the local repository, and the
 * want/have lists are updated in-place.
 * /*from w w w . java  2  s  .  c o  m*/
 * @param want a list of ObjectIds that need to be fetched
 * @param have a list of ObjectIds that are in common with the remote repository
 * @param progress
 */
private void fetchMoreData(final Repository local, final List<ObjectId> want, final Set<ObjectId> have,
        final ProgressListener progress) {
    final JsonObject message = createFetchMessage(want, have);
    final URL resourceURL;
    try {
        resourceURL = new URL(repositoryURL.toString() + "/repo/batchobjects");
    } catch (MalformedURLException e) {
        throw new RuntimeException(e);
    }

    final HttpURLConnection connection;
    try {
        final Gson gson = new Gson();
        OutputStream out;
        final Writer writer;
        connection = (HttpURLConnection) resourceURL.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.addRequestProperty("Accept-Encoding", "gzip");
        out = connection.getOutputStream();
        writer = new OutputStreamWriter(out);
        gson.toJson(message, writer);
        writer.flush();
        out.flush();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

    final HttpUtils.ReportingInputStream in = HttpUtils.getResponseStream(connection);

    BinaryPackedObjects unpacker = new BinaryPackedObjects(local.objectDatabase());
    BinaryPackedObjects.Callback callback = new BinaryPackedObjects.Callback() {
        @Override
        public void callback(Supplier<RevObject> supplier) {
            RevObject object = supplier.get();
            progress.setProgress(progress.getProgress() + 1);
            if (object instanceof RevCommit) {
                RevCommit commit = (RevCommit) object;
                want.remove(commit.getId());
                have.removeAll(commit.getParentIds());
                have.add(commit.getId());
            } else if (object instanceof RevTag) {
                RevTag tag = (RevTag) object;
                want.remove(tag.getId());
                have.remove(tag.getCommitId());
                have.add(tag.getId());
            }
        }
    };

    Stopwatch sw = Stopwatch.createStarted();
    IngestResults ingestResults = unpacker.ingest(in, callback);
    sw.stop();

    String msg = String.format(
            "Processed %,d objects. Inserted: %,d. Existing: %,d. Time: %s. Compressed size: %,d bytes. Uncompressed size: %,d bytes.",
            ingestResults.total(), ingestResults.getInserted(), ingestResults.getExisting(), sw,
            in.compressedSize(), in.unCompressedSize());
    LOGGER.info(msg);
    progress.setDescription(msg);
}

From source file:ch.ge.ve.offlineadmin.controller.BallotDecryptionController.java

private void unserializeAndDecryptEncryptedBallots(File encryptedBallotsFile,
        BallotCipherService ballotCipherService) throws ProcessInterruptedException {
    // Using a task here, so as to perform decryption without blocking the UI.
    final long maxObjects;
    try {/*from  ww w.  j  a  v  a  2s .c om*/
        maxObjects = propertyConfigurationService.getConfigValueAsLong(STREAM_MAX_OBJECTS);
    } catch (PropertyConfigurationException e) {
        throw new ProcessInterruptedException(
                String.format(resources.getString("ballot_decryption.undefined_property"), STREAM_MAX_OBJECTS),
                e);
    }

    final long maxBytes;
    try {
        maxBytes = propertyConfigurationService.getConfigValueAsLong(COMMON_CRYPTO_STREAM_MAX_BYTES);
    } catch (PropertyConfigurationException e) {
        throw new ProcessInterruptedException(
                String.format(resources.getString("ballot_decryption.undefined_property"),
                        COMMON_CRYPTO_STREAM_MAX_BYTES),
                e);
    }

    Task<List<EncryptedBallotAndWrappedKey>> unserializeEncryptedBallotsTask = new UnserializeEncryptedBallotsTask(
            encryptedBallotsFile, maxObjects, maxBytes);

    Stopwatch fileOpening = Stopwatch.createStarted();

    // Handle success
    unserializeEncryptedBallotsTask.setOnSucceeded(event -> {
        List<EncryptedBallotAndWrappedKey> encryptedBallots = unserializeEncryptedBallotsTask.getValue();
        fileOpening.stop();
        consoleOutputController.logOnScreen(String.format(
                resources.getString("ballot_decryption.enc_ballots_loaded"), formatElapsedTime(fileOpening)));
        consoleOutputController.logOnScreen(String
                .format(resources.getString("ballot_decryption.number_of_ballots"), encryptedBallots.size()));
        consoleOutputController.setStepCount(encryptedBallots.size() / DecryptionService.STEP_SIZE);

        // Once the ballots are deserialized, they can be decrypted
        performBallotDecryption(ballotCipherService, encryptedBallots);
    });

    // Handle failure
    unserializeEncryptedBallotsTask.exceptionProperty().addListener((observable, oldValue, newException) -> {
        if (newException != null) {
            LOGGER.error(resources.getString("ballot_decryption.exception_occurred"), newException);
            consoleOutputController.logOnScreen(resources.getString("ballot_decryption.exception_occurred"),
                    LogLevel.ERROR);
        }
    });

    // Start execution
    exec.execute(unserializeEncryptedBallotsTask);
}

From source file:org.apache.bookkeeper.replication.ReplicationWorker.java

/**
 * Replicates the under replicated fragments from failed bookie ledger to
 * targetBookie// w ww  .j  a  v a 2  s .  c  om
 */
private void rereplicate() throws InterruptedException, BKException, UnavailableException {
    long ledgerIdToReplicate = underreplicationManager.getLedgerToRereplicate();

    Stopwatch stopwatch = new Stopwatch().start();
    boolean success = false;
    try {
        success = rereplicate(ledgerIdToReplicate);
    } finally {
        long latencyMillis = stopwatch.stop().elapsedMillis();
        if (success) {
            rereplicateOpStats.registerSuccessfulEvent(latencyMillis, TimeUnit.MILLISECONDS);
        } else {
            rereplicateOpStats.registerFailedEvent(latencyMillis, TimeUnit.MILLISECONDS);
        }
    }
}