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.jimsey.projects.turbine.condenser.service.Ping.java

public long ping() {
    return System.nanoTime();
}

From source file:com.arkatay.yada.base.Time.java

/**
 * Returns the current value of the most precise available system timer in
 * nanoseconds. This method can only be used to measure elapsed time and is
 * related to any other notion of system or wall-clock time. The value
 * returned represents nanoseconds since some fixed but arbitrary time
 * (perhaps in the future, so values may be negative).
 *
 * @return current value of the most precise available system timer in nanoseconds
 *//*from  w  w  w.j  a  v a2  s  .c o m*/
public static long getNanos() {
    if (useNanoTimeMethod)
        return System.nanoTime();
    return (System.currentTimeMillis() - initTimeMillis) * 1000000L;
}

From source file:org.apache.sling.distribution.it.DistributionPackageExporterImporterTest.java

@Test
public void testAddExportImport() throws Exception {
    String nodePath = createRandomNode(publishClient, "/content/export_" + System.nanoTime());
    assertExists(publishClient, nodePath);

    String content = doExport(publish, "default", DistributionRequestType.ADD, nodePath);

    publishClient.delete(nodePath);/*from  w  w w .  jav a  2s. c om*/
    assertNotExists(publishClient, nodePath);

    doImport(publish, "default", content.getBytes(HTTP.DEFAULT_CONTENT_CHARSET));
    assertExists(publishClient, nodePath);

}

From source file:iDynoOptimizer.MOEAFramework26.src.org.moeaframework.util.Timing.java

/**
 * Stops the timer with the specified name.
 * //from ww w .ja  va  2  s  .  co m
 * @param name the name of the timer to stop
 */
public static void stopTimer(String name) {
    long stopTime = System.nanoTime();

    Long startTime = openTimers.remove(name);
    if (startTime == null) {
        throw new IllegalArgumentException("timer does not exist");
    }

    SummaryStatistics statistics = data.get(name);
    if (statistics == null) {
        statistics = new SummaryStatistics();
        data.put(name, statistics);
    }

    statistics.addValue(stopTime - startTime);
}

From source file:ispok.bo.Employee.java

public Employee(EmployeeDto employeeDto) {
    this.username = employeeDto.getUsername();
    this.salt = hashProvider.computeHash(System.nanoTime() + "");
    this.password = hashProvider.computeHash(employeeDto.getPassword() + salt);
    this.isReceptionist = employeeDto.isReceptionist();
    this.isCashier = employeeDto.isCashier();
    this.isFloorman = employeeDto.isFloorman();
    this.isManager = employeeDto.isManager();
}

From source file:com.sirti.microservice.hbase.service.UnicoStoricoService.java

public UnicoStoricoResultSet findFilterAlarms(String filter) {
    UnicoStoricoResultSet hkpiresultset = new UnicoStoricoResultSet();

    try {//from   ww w .ja v  a 2  s  .c om
        long starttime = System.nanoTime();
        List<UnicoStorico> hkpilist = unicoStoricoDao.findFilterUnicoStorico(filter);
        long endtime = System.nanoTime();
        hkpiresultset.setList(hkpilist);
        hkpiresultset.setDuration((endtime - starttime) / 1000000);
        hkpiresultset.setError(Boolean.FALSE);
    } catch (Exception e) {
        hkpiresultset.setError(Boolean.TRUE);
        hkpiresultset.setErrorMsg(e.getLocalizedMessage());
    }
    return hkpiresultset;
}

From source file:com.hotmart.hot.uploader.model.FileMetaInfoRepository.java

public void saveChunk(ChunkMetaInfo chunkMetaInfo, InputStream chunkStream) throws IOException {
    long startTime = System.nanoTime();

    FileMetaInfo fileMetaInfo = getFileMetaInfo(chunkMetaInfo.getFileMD5());
    if (fileMetaInfo == null) {
        fileMetaInfo = new FileMetaInfo(chunkMetaInfo);
        putFileMetaInfo(fileMetaInfo);/*from  www  .  jav a 2s .c  om*/
    }

    FileUtils.copyInputStreamToFile(chunkStream, chunkMetaInfo.getFile());

    fileMetaInfo.addChunk(chunkMetaInfo);
    long endTime = System.nanoTime();
    fileMetaInfo.addElapsedTime((endTime - startTime) / 1000000);
}

From source file:dk.statsbiblioteket.netark.dvenabler.wrapper.DVAtomicReader.java

@Override
public FieldInfos getFieldInfos() {
    log.info("Merging getFieldInfos called with " + maxDoc() + " docs");
    long startTime = System.nanoTime();
    FieldInfos original = super.getFieldInfos();
    FieldInfo[] modified = new FieldInfo[original.size()];
    int index = 0;
    for (FieldInfo oInfo : original) {
        modified[index++] = dvConfigs.containsKey(oInfo.name) ? dvConfigs.get(oInfo.name).getFieldInfo()
                : oInfo;//from w  ww  .jav a2  s.co m
    }
    /*FieldInfo mInfo = new FieldInfo(
            oInfo.name, oInfo.isIndexed(), oInfo.number, oInfo.hasVectors(),
            oInfo.omitsNorms(), oInfo.hasPayloads(), oInfo.getIndexOptions(),
            mDocValuesType, oInfo.getNormType(), oInfo.attributes());        */
    log.info("Merged " + original.size() + " original and " + dvConfigs.size() + " tweaked FieldInfos for "
            + maxDoc() + " docs in " + (System.nanoTime() - startTime) / 1000000 + "ms");
    return new FieldInfos(modified);
}

From source file:gov.nasa.ensemble.common.event.ModelChangeEvent.java

/**
 * @param source/*from  w w  w.ja v a 2  s. com*/
 * @param field
 * @param oldValue
 * @param newValue
 */
public ModelChangeEvent(Object source, Enum<?> field, Object oldValue, Object newValue) {
    super(source);
    this.field = field;
    this.oldValue = oldValue;
    this.newValue = newValue;
    this.time = System.nanoTime();
}

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

/**
 * account the given metric by its {@code startMillis}. The endTime is taken from the system clock.
 * The name of the metric will be a combination of {@code metricName} and {@code clazz}.
 *//*w  w w . j a  v  a  2 s  .co m*/
public static void accountEnd(String metricName, Class<?> clazz, long startMillis) {

    if (isMetricsEnabled) {
        account(metricName + "." + ClassUtils.getShortClassName(clazz), System.nanoTime() - startMillis);
    }
}