Example usage for java.util.concurrent TimeUnit MICROSECONDS

Introduction

In this page you can find the example usage for java.util.concurrent TimeUnit MICROSECONDS.

Prototype

TimeUnit MICROSECONDS

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Document

Time unit representing one thousandth of a millisecond.

Usage

From source file:org.asoem.greyfish.utils.collect.UnrolledListAT.java

protected static <T> long measureFindFirstUnrolled(final FunctionalList<T> list,
        final Iterable<? extends Predicate<? super T>> predicates) {
    final Stopwatch stopwatch = Stopwatch.createStarted();
    for (Predicate<? super T> predicate : predicates) {
        list.findFirst(predicate);//from  w  w w.  ja v  a  2  s  .c o m
    }
    return stopwatch.elapsed(TimeUnit.MICROSECONDS);
}

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From source file:test.RunTest.java

public static void writeObject(Object object, String fileName) {
    long begin = System.nanoTime();
    Hessian2Output oos = null;/*w  ww . j a  v  a  2s  . c  o  m*/
    try {
        oos = new Hessian2Output(new FileOutputStream(fileName));
        oos.setCloseStreamOnClose(true);
        oos.writeObject(object);
        oos.close();
        long end = System.nanoTime();
        logger.info("Time for Serize java object file " + fileName + "  duration micro seconds="
                + TimeUnit.MICROSECONDS.convert((end - begin), TimeUnit.NANOSECONDS));
    } catch (Exception ex) {
        if (oos != null) {
            try {
                oos.close();
            } catch (IOException iox) {
                logger.error(ex.getMessage(), iox);
            }
        }

        logger.error(ex.getMessage(), ex);
        throw new RuntimeException(ex.getMessage(), ex);
    }

}

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From source file:io.rhiot.component.gp2y1010au0f.Gp2y1010au0fConsumer.java

@Override
protected int poll() throws Exception {
    int iterations = 10;
    double sum = 0.0;

    for (int i = 0; i < iterations; i++) {
        getEndpoint().getIledPin().high();
        TimeUnit.MICROSECONDS.sleep(getEndpoint().getSamplingDelay());
        double adcValue = getEndpoint().getMcp3008GpioProvider().getValue(getEndpoint().getAnalogPin());
        getEndpoint().getIledPin().low();

        double voltage = (REF_VOLTAGE / 1023.0) * adcValue * 11;

        if (voltage > MIN_VOLTAGE) {
            sum += (voltage - MIN_VOLTAGE) * 0.2;
        }/*from w ww .ja  v  a  2  s. co m*/

        TimeUnit.MILLISECONDS.sleep(50);
    }

    double average = sum / iterations;

    if (average > 0) {
        Exchange exchange = ExchangeBuilder.anExchange(getEndpoint().getCamelContext())
                .withBody(Precision.round(average, 2)).build();
        exchange.setFromEndpoint(getEndpoint());
        getProcessor().process(exchange);
        return 1;
    }

    return 0;
}

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From source file:org.wso2.andes.server.virtualhost.plugins.SlowConsumerDetectionConfigurationTest.java

/**
 * Default Testing:// w  w w  . java 2  s  . c  om
 *
 * Provide a fully complete and valid configuration specifying 'delay' and
 * 'timeunit' and ensure that it is correctly processed.
 *
 * Ensure no exceptions are thrown and that we get the same values back that
 * were put into the configuration.
 */
public void testConfigLoadingValidConfig() {
    SlowConsumerDetectionConfiguration config = new SlowConsumerDetectionConfiguration();

    XMLConfiguration xmlconfig = new XMLConfiguration();

    long DELAY = 10;
    String TIMEUNIT = TimeUnit.MICROSECONDS.toString();
    xmlconfig.addProperty("delay", String.valueOf(DELAY));
    xmlconfig.addProperty("timeunit", TIMEUNIT);

    // Create a CompositeConfiguration as this is what the broker uses
    CompositeConfiguration composite = new CompositeConfiguration();
    composite.addConfiguration(xmlconfig);

    try {
        config.setConfiguration("", composite);
    } catch (ConfigurationException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }

    assertEquals("Delay not correctly returned.", DELAY, config.getDelay());
    assertEquals("TimeUnit not correctly returned.", TIMEUNIT, String.valueOf(config.getTimeUnit()));
}

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From source file:com.otz.couchbase.client.AbstractCouchbaseClient.java

public <T extends Serializable> Observable<T> lockAndUpsert(Key<T> key, String id, T object) {
    return Observable.just(RawJsonDocument.create(key.fullKey(id), gson.toJson(object)))
            .flatMap(rawJsonDocument -> bucket.replace(rawJsonDocument)
                    .retryWhen(RetryBuilder.anyOf(CASMismatchException.class).max(10)
                            .delay(Delay.fixed(10, TimeUnit.MICROSECONDS)).build())
                    .onErrorResumeNext((Func1<Throwable, Observable<RawJsonDocument>>) throwable -> {
                        // if doc does not exist on replace, fall back to insert
                        if (throwable instanceof DocumentDoesNotExistException) {
                            return bucket.insert(rawJsonDocument);
                        }/*w  ww. j a v a  2s .  c  o m*/
                        // if other error, forward it
                        return Observable.error(throwable);
                    }))
            .flatMap(createdDocument -> Observable.just(object));
}

---

From source file:com.ryantenney.metrics.spring.reporter.AbstractScheduledReporterFactoryBean.java

/**
 * Parses and converts to nanoseconds a string representing
 * a duration, ie: 500ms, 30s, 5m, 1h, etc
 * @param duration a string representing a duration
 * @return the duration in nanoseconds/*  ww w  .  j  av  a2s  . c  o  m*/
 */
protected long convertDurationString(String duration) {
    final Matcher m = DURATION_STRING_PATTERN.matcher(duration);
    if (!m.matches()) {
        throw new IllegalArgumentException("Invalid duration string format");
    }

    final long sourceDuration = Long.parseLong(m.group(1));
    final String sourceUnitString = m.group(2);
    final TimeUnit sourceUnit;
    if ("ns".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.NANOSECONDS;
    } else if ("us".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.MICROSECONDS;
    } else if ("ms".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.MILLISECONDS;
    } else if ("s".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.SECONDS;
    } else if ("m".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.MINUTES;
    } else if ("h".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.HOURS;
    } else if ("d".equalsIgnoreCase(sourceUnitString)) {
        sourceUnit = TimeUnit.DAYS;
    } else {
        sourceUnit = TimeUnit.MILLISECONDS;
    }

    return sourceUnit.toNanos(sourceDuration);
}

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From source file:io.horizondb.model.core.fields.TimestampField.java

/**
 * {@inheritDoc}// w ww  . j av  a2 s. c  om
 */
@Override
public FieldType getType() {

    if (this.sourceUnit.equals(TimeUnit.NANOSECONDS)) {

        return FieldType.NANOSECONDS_TIMESTAMP;
    }

    if (this.sourceUnit.equals(TimeUnit.MICROSECONDS)) {

        return FieldType.MICROSECONDS_TIMESTAMP;
    }

    if (this.sourceUnit.equals(TimeUnit.MILLISECONDS)) {

        return FieldType.MILLISECONDS_TIMESTAMP;
    }

    return FieldType.SECONDS_TIMESTAMP;
}

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From source file:com.hpcloud.util.Duration.java

public static Duration microseconds(long count) {
    return new Duration(count, TimeUnit.MICROSECONDS);
}

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From source file:org.apache.hadoop.hbase.ipc.TestFifoRpcScheduler.java

private ThreadPoolExecutor disableHandlers(RpcScheduler scheduler) {
    ThreadPoolExecutor rpcExecutor = null;

    try {//from  w ww  . j  av  a2s.  c  om
        Field ExecutorField = scheduler.getClass().getDeclaredField("executor");
        ExecutorField.setAccessible(true);

        scheduler.start();
        rpcExecutor = (ThreadPoolExecutor) ExecutorField.get(scheduler);

        rpcExecutor.setMaximumPoolSize(1);
        rpcExecutor.allowCoreThreadTimeOut(true);
        rpcExecutor.setCorePoolSize(0);
        rpcExecutor.setKeepAliveTime(1, TimeUnit.MICROSECONDS);

        // Wait for 2 seconds, so that idle threads will die
        Thread.sleep(2000);

    } catch (NoSuchFieldException e) {
        LOG.error("No such field exception:" + e);
    } catch (IllegalAccessException e) {
        LOG.error("Illegal access exception:" + e);
    } catch (InterruptedException e) {
        LOG.error("Interrupted exception:" + e);
    }

    return rpcExecutor;
}

---

From source file:org.trnltk.morphology.contextless.parser.parsing.base.BaseContextlessMorphologicParserSimpleParseSetSpeedTest.java

protected void shouldParseParseSetN(String index, boolean profilingMode) throws IOException {
    final CharSource charSource = Resources.asCharSource(
            Resources.getResource("simpleparsesets/simpleparseset" + index + ".txt"), Charset.forName("utf-8"));

    //read all in advance
    final List<Pair<String, String>> lines = charSource
            .readLines(new LineProcessor<List<Pair<String, String>>>() {
                final ImmutableList.Builder<Pair<String, String>> builder = ImmutableList.builder();

                @Override//from   www .  ja  v a 2s.c  o  m
                public boolean processLine(final String line) throws IOException {
                    if (!"#END#OF#SENTENCE#".equals(line)) {
                        final String[] split = line.split("=", 2);
                        Validate.isTrue(split.length == 2, line);
                        builder.add(Pair.of(split[0], split[1]));
                    }
                    return true;
                }

                @Override
                public List<Pair<String, String>> getResult() {
                    return builder.build();
                }
            });

    System.out.println("Number of words to parse " + lines.size());
    final Stopwatch stopwatch = Stopwatch.createUnstarted();
    if (profilingMode) {
        System.out.println("Start profiling now and then press enter!");
        new Scanner(System.in).nextLine();
    }
    stopwatch.start();
    for (Pair<String, String> line : lines) {
        final String surfaceToParse = line.getLeft();
        this.parse(surfaceToParse);
    }
    stopwatch.stop();
    System.out.println("Parsed all of them in " + stopwatch);
    System.out.println(
            "Avg time is " + stopwatch.elapsed(TimeUnit.MILLISECONDS) * 1.0 / (lines.size()) + " milliseconds");
    System.out.println(
            "Avg time is " + stopwatch.elapsed(TimeUnit.MICROSECONDS) * 1.0 / (lines.size()) + " microseconds");
    if (profilingMode) {
        System.out.println("Stop profiling now and then press enter!");
        new Scanner(System.in).nextLine();
    }
}

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