Example usage for org.apache.commons.lang.math RandomUtils nextInt

Introduction

In this page you can find the example usage for org.apache.commons.lang.math RandomUtils nextInt.

Prototype

public static int nextInt(Random random, int n) 

Source Link

Document

Returns a pseudorandom, uniformly distributed int value between 0 (inclusive) and the specified value (exclusive), from the given Random sequence.

Usage

From source file:com.fengduo.bee.commons.core.utils.Identities.java

public final static String getVehicleCode() {
    Random random = new Random();
    return DateFormatUtils.format(new Date(), PURE_MIDDLE_DATE_TIME_FORMAT_STR)
            + RandomUtils.nextInt(random, 10) + RandomUtils.nextInt(random, 10);
}

---

From source file:com.intel.cosbench.driver.util.OperationPicker.java

public String pickOperation(Random random) {
    int r = RandomUtils.nextInt(random, 100) + 1;
    for (Map.Entry<Integer, String> entry : ops.entrySet())
        if (r <= entry.getKey())
            return entry.getValue();
    throw new IllegalStateException();
}

---

From source file:com.intel.cosbench.driver.generator.UniformIntGenerator.java

@Override
public int next(Random random, int idx, int all) {
    int range = upper - lower + 1;
    int base = range / all;
    int extra = range % all;
    int offset = base * (idx - 1) + (extra >= idx - 1 ? idx - 1 : extra);
    int segment = base + (extra >= idx ? 1 : 0);
    int value = RandomUtils.nextInt(random, segment);
    value += offset + lower;// w w  w . j  av  a2  s.c  o m
    return value;
}

---

From source file:com.intel.cosbench.driver.generator.RandomInputStream.java

public RandomInputStream(long size, Random random, boolean isRandom, boolean hashCheck) {
    super(size);/*from   w w w. j a  va  2 s. c  om*/

    this.hashCheck = hashCheck;
    try {
        this.util = new HashUtil();
    } catch (NoSuchAlgorithmException e) {
        logger.error("Alogrithm not found", e);
    }
    this.hashLen = this.util.getHashLen();
    if (size <= hashLen) {
        logger.warn("The size is too small to embed checksum, will ignore integrity checking.");
        this.hashCheck = false;
        this.util = null;
        this.hashLen = 0;
    }
    this.size = size;

    buffer = new byte[SIZE];
    if (isRandom)
        for (int i = 0; i < SIZE; i++)
            buffer[i] = (byte) (RandomUtils.nextInt(random, 26) + 'a');
}

---

From source file:com.intel.cosbench.driver.generator.HistogramIntGenerator.java

@Override
public int next(Random random) {
    final int next = RandomUtils.nextInt(random, totalWeight);
    for (Bucket bucket : buckets) {
        if (next <= bucket.cumulativeWeight) {
            return bucket.gen.next(random);
        }/*from  www .j a  va2 s  . c  om*/
    }
    return 0;
}

---

From source file:com.intel.cosbench.driver.agent.AuthAgent.java

private void sleepForSometime() {
    Random random = workerContext.getRandom();
    int time = (10 + RandomUtils.nextInt(random, 40)) * 100;
    try {//from  www  .  j av  a2 s  . c o  m
        Thread.sleep(time);
    } catch (InterruptedException e) {
        throw new AuthInterruptedException(e);
    }
    Logger logger = getMissionLogger();
    logger.debug("has waited for {} ms, will make a new attempt", time);
}

---