Example usage for java.util.concurrent ThreadLocalRandom current

Introduction

In this page you can find the example usage for java.util.concurrent ThreadLocalRandom current.

Prototype

public static ThreadLocalRandom current() 

Source Link

Document

Returns the current thread's ThreadLocalRandom .

Usage

From source file:ru.portal.controllers.RestController.java

@RequestMapping(value = { "/random/{id}" })
@ResponseBody//w  w w  .  j  a v  a 2s  .  com
public DeferredResult<ResponseEntity<String>> random(@PathVariable Long id) {

    DeferredResult<ResponseEntity<String>> deferredResult = new DeferredResult<>();
    String result = String.format("random : %s", ThreadLocalRandom.current().nextLong(id));

    HttpHeaders headers = new HttpHeaders();
    headers.add("Content-type", "application/json;charset=UTF-8");
    ResponseEntity responseEntity = new ResponseEntity<>(result, headers, HttpStatus.OK);

    deferredResult.setResult(responseEntity);

    return deferredResult;

}

---

From source file:com.github.jinahya.codec.BossVsEngineerTestCpuTimeDecode.java

@Test
public void testDecode() {

    final double[] consumedLikeABoss = new double[ROUNDS];
    final double[] consumedLikeAnEngineer = new double[ROUNDS];

    for (int i = 0; i < ROUNDS; i++) {
        final byte[] encoded = Tests.encodedBytes();
        if (ThreadLocalRandom.current().nextBoolean()) {
            consumedLikeABoss[i] = decodeLikeABoss(encoded);
            consumedLikeAnEngineer[i] = decodeLikeAnEngineer(encoded);
        } else {/*from w  w  w . j ava  2s .  c o  m*/
            consumedLikeAnEngineer[i] = decodeLikeAnEngineer(encoded);
            consumedLikeABoss[i] = decodeLikeABoss(encoded);
        }
    }

    LOGGER.log(Level.INFO, "consumed.like.a.boss: {0} [{1}, {2}, {3}, ..., {4}, {5}, {6}]",
            new Object[] { StatUtils.mean(consumedLikeABoss), consumedLikeABoss[0], consumedLikeABoss[1],
                    consumedLikeABoss[2], consumedLikeABoss[consumedLikeABoss.length - 3],
                    consumedLikeABoss[consumedLikeABoss.length - 2],
                    consumedLikeABoss[consumedLikeABoss.length - 1] });

    LOGGER.log(Level.INFO, "consumed.like.an.engineer: {0}" + " [{1}, {2}, {3}, ..., {4}, {5}, {6}]",
            new Object[] { StatUtils.mean(consumedLikeAnEngineer), consumedLikeAnEngineer[0],
                    consumedLikeAnEngineer[1], consumedLikeAnEngineer[2],
                    consumedLikeAnEngineer[consumedLikeAnEngineer.length - 3],
                    consumedLikeAnEngineer[consumedLikeAnEngineer.length - 2],
                    consumedLikeAnEngineer[consumedLikeAnEngineer.length - 1] });
}

---

From source file:com.github.jinahya.codec.BossVsEngineerTestCpuTimeEncode.java

@Test
public void testEncode() {

    final double[] consumedLikeABoss = new double[ROUNDS];
    final double[] consumedLikeAnEngineer = new double[ROUNDS];

    for (int i = 0; i < ROUNDS; i++) {
        final byte[] decoded = Tests.decodedBytes();
        if (ThreadLocalRandom.current().nextBoolean()) {
            consumedLikeABoss[i] = encodeLikeABoss(decoded);
            consumedLikeAnEngineer[i] = encodeLikeAnEngineer(decoded);
        } else {//from www  .  ja  v  a 2  s . c  om
            consumedLikeAnEngineer[i] = encodeLikeAnEngineer(decoded);
            consumedLikeABoss[i] = encodeLikeABoss(decoded);
        }
    }

    LOGGER.log(Level.INFO, "consumed.like.a.boss: {0} [{1}, {2}, {3}, ..., {4}, {5}, {6}]",
            new Object[] { StatUtils.mean(consumedLikeABoss), consumedLikeABoss[0], consumedLikeABoss[1],
                    consumedLikeABoss[2], consumedLikeABoss[consumedLikeABoss.length - 3],
                    consumedLikeABoss[consumedLikeABoss.length - 2],
                    consumedLikeABoss[consumedLikeABoss.length - 1] });

    LOGGER.log(Level.INFO, "consumed.like.an.engineer: {0}" + " [{1}, {2}, {3}, ..., {4}, {5}, {6}]",
            new Object[] { StatUtils.mean(consumedLikeAnEngineer), consumedLikeAnEngineer[0],
                    consumedLikeAnEngineer[1], consumedLikeAnEngineer[2],
                    consumedLikeAnEngineer[consumedLikeAnEngineer.length - 3],
                    consumedLikeAnEngineer[consumedLikeAnEngineer.length - 2],
                    consumedLikeAnEngineer[consumedLikeAnEngineer.length - 1] });
}

---

From source file:org.hawkular.datamining.forecast.utils.AutomaticPeriodIdentificationTest.java

@Test
public void testAutomaticPeriodIdentificationVariableDataLength() throws IOException {

    ModelData rModel = ModelReader.read("sineTrendLowVar");

    int lastIndex = rModel.getPeriods() * 2;
    while (lastIndex < rModel.getData().size()) {

        List<DataPoint> trainData = rModel.getData().subList(0, lastIndex);
        int periods = AutomaticPeriodIdentification.periods(trainData);

        Assert.assertEquals(rModel.getPeriods(), periods, 1);

        lastIndex += ThreadLocalRandom.current().nextInt(0, rModel.getPeriods() + 1);
    }// w w w .j  av a 2s .  c o m

    int[] startIndices = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 28, 47 };

    for (int startIndex : startIndices) {
        List<DataPoint> trainData = rModel.getData().subList(startIndex, rModel.getData().size());
        int periods = AutomaticPeriodIdentification.periods(trainData);
        Assert.assertEquals(rModel.getPeriods(), periods, 1);
    }

}

---

From source file:com.navercorp.pinpoint.web.vo.stat.chart.agent.ResponseTimeChartGroupTest.java

private List<SampledResponseTime> createSampledResponseTimeList(TimeWindow timeWindow) {
    List<SampledResponseTime> sampledResponseTimeList = new ArrayList<>();

    int maxConnectionSize = ThreadLocalRandom.current().nextInt(MIN_VALUE_OF_MAX_CONNECTION_SIZE)
            + MIN_VALUE_OF_MAX_CONNECTION_SIZE;

    long from = timeWindow.getWindowRange().getFrom();
    long to = timeWindow.getWindowRange().getTo();

    for (long i = from; i < to; i += timeWindow.getWindowSlotSize()) {
        sampledResponseTimeList.add(createSampledResponseTime(i, maxConnectionSize));
    }//from w  w  w .  ja v  a2  s. c om

    return sampledResponseTimeList;
}

---

From source file:org.evors.rs.unibot.sim.SimulatedUnibot.java

@Override
public void step(double velocity, double angularVelocity) {
    super.step(velocity, angularVelocity);
    rangeFinderLine = getNewRangeFinder();
    range = (float) (getWorld().traceRay(rangeFinderLine)
            + ThreadLocalRandom.current().nextGaussian() * RANGEFINDER_NOISE_STDEV);
}

---

From source file:nz.co.testamation.testcommon.fixture.SomeFixture.java

public static Integer someIntBetween(int minInclusive, int maxExclusive) {
    return ThreadLocalRandom.current().nextInt(minInclusive, maxExclusive);
}

---

From source file:org.neo4j.kernel.TokenCreationIT.java

public Label[] getLabels() {
    int randomLabelValue = ThreadLocalRandom.current().nextInt(2) + 1;
    Label[] labels = new Label[randomLabelValue];
    for (int i = 0; i < labels.length; i++) {
        labels[i] = Label.label(RandomStringUtils.randomAscii(randomLabelValue));
    }//from  w  ww. j a v a 2 s  . com
    return labels;
}

---

From source file:org.rhq.metrics.simulator.MeasurementCollector.java

private Set<MeasurementDataNumeric> generateData() {
    Set<MeasurementDataNumeric> data = new HashSet<MeasurementDataNumeric>(batchSize);
    long timestamp = dateTimeService.nowInMillis();
    ThreadLocalRandom random = ThreadLocalRandom.current();

    for (int i = 0; i < batchSize; ++i) {
        data.add(new MeasurementDataNumeric(timestamp, startingScheduleId + i, random.nextDouble()));
    }/*from  w  w  w.  java2 s  .  c o  m*/

    return data;
}

---

From source file:com.github.jinahya.codec.PercentBinaryDecoderProxyTest.java

@Test(invocationCount = 128)
public void testDecode() throws Exception {

    final BinaryDecoder decoder = (BinaryDecoder) PercentBinaryDecoderProxy.newInstance();

    try {/*from   w w  w.  ja va 2  s . c om*/
        decoder.decode((Object) null);
        Assert.fail("passed: decode((Object) null)");
    } catch (NullPointerException npe) {
        // ok
    }

    try {
        decoder.decode((byte[]) null);
        Assert.fail("passed: decode((byte[]) null)");
    } catch (NullPointerException npe) {
        // ok
    }

    final Random random = ThreadLocalRandom.current();

    final byte[] expected = new byte[random.nextInt(128)];
    random.nextBytes(expected);
    System.out.println("original ----------------------------------------");
    System.out.println(Base64.encodeBase64String(expected));

    final byte[] encoded = PercentEncoder.encodeMultiple(expected);
    System.out.println("encoded -----------------------------------------");
    System.out.println(new String(encoded, "US-ASCII"));

    final byte[] actual = decoder.decode(encoded);
    System.out.println("decoded -----------------------------------------");
    System.out.println(Base64.encodeBase64String(actual));

    Assert.assertEquals(actual, expected);
}

---

• «
• 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
• »