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:org.alfresco.module.daos.mongo.MongoNodeDAOImplTest.java

private NodeRef createNode() {
    AuthenticationUtil.setAdminUserAsFullyAuthenticatedUser();
    StoreRef storeRef = nodeService.createStore(StoreRef.PROTOCOL_TEST, "" + System.nanoTime());
    NodeRef rootNodeRef = nodeService.getRootNode(storeRef);
    NodeRef nodeRef = nodeService/*from   w w w  .  java2 s.  c  o  m*/
            .createNode(rootNodeRef, ContentModel.ASSOC_CHILDREN,
                    QName.createQName(NamespaceService.ALFRESCO_URI, "testNode"), ContentModel.TYPE_CONTENT)
            .getChildRef();
    return nodeRef;
}

---

From source file:com.produban.openbus.processor.function.ParseJSON.java

@Override
public final void execute(final TridentTuple tuple, final TridentCollector collector) {
    try {/*  w ww  . j  ava2s  .com*/
        String decoded = new String(tuple.getBinary(0));
        JSONObject json = new JSONObject(decoded);

        // Date message
        DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
        Calendar cal = Calendar.getInstance();
        String dateNow = dateFormat.format(cal.getTime());
        json.accumulate("date", dateNow);
        LOG.info("##### name: " + json.get("name") + " type: " + json.get("type") + " date: "
                + json.getString("date"));

        // Persitence in HDFS             
        hDFSStore.writeFile2HDFS("json" + "_" + System.nanoTime(), json.toString());

        collector.emit(new Values(json.getString("name"), json.getString("type")));
    } catch (Exception e) {
        LOG.error("Caught JSONException: " + e.getMessage());
        throw new RuntimeException(e);
    }
}

---

From source file:br.com.webbudget.infraestructure.configuration.ApplicationUtils.java

/**
 * Gera um codigo aleatorio baseado em marcas do tempo
 *
 * @param size o tamanho//from   www  .  j  av a  2s .  c  o m
 * @param onlyNumbers se deve ou nao usar somente numeros
 * @return o codigo
 */
public static String createRamdomCode(int size, boolean onlyNumbers) {

    final String digits;

    if (onlyNumbers) {
        digits = "0123456789";
    } else {
        digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    }

    long decimalNumber = System.nanoTime();

    String generated = "";

    int mod;
    int authCodeLength = 0;

    while (decimalNumber != 0 && authCodeLength < size) {
        mod = (int) (decimalNumber % digits.length());
        generated = digits.substring(mod, mod + 1) + generated;
        decimalNumber = decimalNumber / digits.length();
        authCodeLength++;
    }

    return generated;
}

---

From source file:com.netflix.genie.core.jobs.workflow.impl.CommandTask.java

/**
 * {@inheritDoc}/*from   ww w.  jav a2  s  . c  o m*/
 */
@Override
public void executeTask(@NotNull final Map<String, Object> context) throws GenieException, IOException {
    final long start = System.nanoTime();
    try {
        final JobExecutionEnvironment jobExecEnv = (JobExecutionEnvironment) context
                .get(JobConstants.JOB_EXECUTION_ENV_KEY);
        final String jobWorkingDirectory = jobExecEnv.getJobWorkingDir().getCanonicalPath();
        final String genieDir = jobWorkingDirectory + JobConstants.FILE_PATH_DELIMITER
                + JobConstants.GENIE_PATH_VAR;
        final Writer writer = (Writer) context.get(JobConstants.WRITER_KEY);

        log.info("Starting Command Task for job {}", jobExecEnv.getJobRequest().getId());

        final String commandId = jobExecEnv.getCommand().getId()
                .orElseThrow(() -> new GeniePreconditionException("No command id found"));

        // Create the directory for this command under command dir in the cwd
        createEntityInstanceDirectory(genieDir, commandId, AdminResources.COMMAND);

        // Create the config directory for this id
        createEntityInstanceConfigDirectory(genieDir, commandId, AdminResources.COMMAND);

        // Get the setup file if specified and add it as source command in launcher script
        final Optional<String> setupFile = jobExecEnv.getCommand().getSetupFile();
        if (setupFile.isPresent()) {
            final String commandSetupFile = setupFile.get();
            if (StringUtils.isNotBlank(commandSetupFile)) {
                final String localPath = super.buildLocalFilePath(jobWorkingDirectory, commandId,
                        commandSetupFile, FileType.SETUP, AdminResources.COMMAND);

                fts.getFile(commandSetupFile, localPath);

                super.generateSetupFileSourceSnippet(commandId, "Command:", localPath, writer,
                        jobWorkingDirectory);
            }
        }

        // Iterate over and get all configuration files
        for (final String configFile : jobExecEnv.getCommand().getConfigs()) {
            final String localPath = super.buildLocalFilePath(jobWorkingDirectory, commandId, configFile,
                    FileType.CONFIG, AdminResources.COMMAND);
            fts.getFile(configFile, localPath);
        }
        log.info("Finished Command Task for job {}", jobExecEnv.getJobRequest().getId());
    } finally {
        final long finish = System.nanoTime();
        this.timer.record(finish - start, TimeUnit.NANOSECONDS);
    }
}

---

From source file:com.netflix.genie.core.jobs.workflow.impl.ClusterTask.java

/**
 * {@inheritDoc}//www.j av  a 2s . c  o  m
 */
@Override
public void executeTask(@NotNull final Map<String, Object> context) throws GenieException, IOException {
    final long start = System.nanoTime();
    try {
        final JobExecutionEnvironment jobExecEnv = (JobExecutionEnvironment) context
                .get(JobConstants.JOB_EXECUTION_ENV_KEY);
        final String jobWorkingDirectory = jobExecEnv.getJobWorkingDir().getCanonicalPath();
        final String genieDir = jobWorkingDirectory + JobConstants.FILE_PATH_DELIMITER
                + JobConstants.GENIE_PATH_VAR;
        final Writer writer = (Writer) context.get(JobConstants.WRITER_KEY);
        log.info("Starting Cluster Task for job {}", jobExecEnv.getJobRequest().getId());

        final String clusterId = jobExecEnv.getCluster().getId()
                .orElseThrow(() -> new GeniePreconditionException("No cluster id found"));

        // Create the directory for this application under applications in the cwd
        createEntityInstanceDirectory(genieDir, clusterId, AdminResources.CLUSTER);

        // Create the config directory for this id
        createEntityInstanceConfigDirectory(genieDir, clusterId, AdminResources.CLUSTER);

        // Get the set up file for cluster and add it to source in launcher script
        final Optional<String> setupFile = jobExecEnv.getCluster().getSetupFile();
        if (setupFile.isPresent()) {
            final String clusterSetupFile = setupFile.get();
            if (StringUtils.isNotBlank(clusterSetupFile)) {
                final String localPath = super.buildLocalFilePath(jobWorkingDirectory, clusterId,
                        clusterSetupFile, FileType.SETUP, AdminResources.CLUSTER);

                fts.getFile(clusterSetupFile, localPath);

                super.generateSetupFileSourceSnippet(clusterId, "Cluster:", localPath, writer,
                        jobWorkingDirectory);
            }
        }

        // Iterate over and get all configuration files
        for (final String configFile : jobExecEnv.getCluster().getConfigs()) {
            final String localPath = super.buildLocalFilePath(jobWorkingDirectory, clusterId, configFile,
                    FileType.CONFIG, AdminResources.CLUSTER);
            fts.getFile(configFile, localPath);
        }
        log.info("Finished Cluster Task for job {}", jobExecEnv.getJobRequest().getId());
    } finally {
        final long finish = System.nanoTime();
        this.timer.record(finish - start, TimeUnit.NANOSECONDS);
    }
}

---

From source file:com.github.rinde.gpem17.evo.StatsLogger.java

public StatsLogger() {
    startTime = System.nanoTime();
}

---

From source file:com.linkedin.pinot.index.readerwriter.FixedByteSingleValueMultiColumnReaderWriterTest.java

@BeforeClass
public void setup() {
    _memoryManager = new DirectMemoryManager(FixedByteSingleColumnSingleValueReaderWriterTest.class.getName());
    _readerWriter = new FixedByteSingleValueMultiColumnReaderWriter(NUM_ROWS_PER_CHUNK, COLUMN_SIZES_IN_BYTES,
            _memoryManager, "test");
    _random = new Random(System.nanoTime());
}

---

From source file:infrascructure.data.launch.SimpleDocsRepository.java

@Override
public List<String> getCurrentVocabulary() throws IOException {
    long startTime = System.nanoTime();
    String path = config.getProperty(Config.VOCABULARY_PATH);
    List<String> result = IOHelper.readLinesFromFile(path);
    long diff = System.nanoTime() - startTime;
    Trace.trace("[getCurrentVocabulary]: " + diff);
    return result;
}

---

From source file:com.alibaba.json.test.Bug_0_Test.java

private void f_jackson() throws Exception {
    long startNano = System.nanoTime();
    for (int i = 0; i < COUNT; ++i) {
        ObjectMapper mapper = new ObjectMapper();
        ArrayNode node = (ArrayNode) mapper.readTree(text);
        JsonNode head = node.get(0);/*  w  w  w  .j  a v a  2s . c  o  m*/
        JsonNode body = node.get(1);
    }
    long nano = System.nanoTime() - startNano;
    System.out.println(NumberFormat.getInstance().format(nano));
}

---

From source file:org.messic.server.api.APIRandomLists.java

@Transactional
public List<RandomList> getAllLists(User user) {
    ArrayList<RandomList> result = new ArrayList<RandomList>();

    // we will get only 4 lists as maximum, each time different ones... so lets shuffle the lists
    long seed = System.nanoTime();
    ArrayList<RandomListPlugin> lplugins = new ArrayList<RandomListPlugin>();
    for (int i = 0; i < plugins.length; i++) {
        lplugins.add(plugins[i]);/*from  www .j ava2s  . c om*/
    }
    Collections.shuffle(lplugins, new Random(seed));

    for (int i = 0; i < lplugins.size() && i < 4; i++) {
        long start = System.currentTimeMillis();

        RandomListPlugin rlp = lplugins.get(i);
        RandomList rl = rlp.getRandomList(user);
        if (rl != null && rl.getSongs().size() > 0) {
            result.add(rl);
        }

        long end = System.currentTimeMillis();

        log.debug("(" + ((end - start)) + "ms)-Timing obtaining info from plugin:" + rlp.getName());
    }

    return result;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »