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:com.github.tomakehurst.wiremock.http.UniformDistribution.java

@Override
public long sampleMillis() {
    return ThreadLocalRandom.current().nextLong(lower, upper + 1);
}

From source file:com.salesforce.jprotoc.ProtoTypeUtilsTest.java

@Test
public void classWithJavaPackage() {
    final String className = randomAlphabetic(ThreadLocalRandom.current().nextInt(5, 10));
    final String javaPackage = randomAlphabetic(ThreadLocalRandom.current().nextInt(5, 10));

    assertThat(ProtoTypeMap.toJavaTypeName(className, null, javaPackage))
            .isEqualTo(javaPackage + "." + className);
}

From source file:org.red5.server.session.SessionManager.java

public static String getSessionId() {
    //random int from 1 - 100000
    int part1 = rnd.nextInt(99999) + 1;
    //thread-safe "long" part
    long part2 = ThreadLocalRandom.current().nextLong();
    //current time in millis
    long part3 = System.currentTimeMillis();
    //generate uuid-type id
    String sessionId = createHash(part1 + "-" + part2 + "-" + part3);
    log.debug("Session id created: {}", sessionId);
    return sessionId;
}

From source file:org.apache.kylin.rest.util.QueryIdGenerator.java

/**
 * @param project name of the project/* w  ww .j av  a  2s . co m*/
 * @return the next query id. We try to generate unique id as much as possible, but don't guarantee it.
 */
@Nonnull
public String nextId(final String project) {
    char[] postfix = new char[6];
    for (int i = 0; i < postfix.length; i++) {
        postfix[i] = base26[ThreadLocalRandom.current().nextInt(base26.length)];
    }

    return new String(postfix);
    //return String.format("%s_%s_%s", dateFormat.format(System.currentTimeMillis()), project, new String(postfix));
    //disabled testcase: org.apache.kylin.rest.util.QueryIdGeneratorTest.testIdFormat()
}

From source file:com.github.jinahya.persistence.ShadowTest.java

public static String newUsername(final EntityManager manager) {

    String username;//from www  .  jav  a  2s . c  o m

    do {
        final int count = ThreadLocalRandom.current().nextInt(Shadow.USERNAME_SIZE_MIN,
                Shadow.USERNAME_SIZE_MAX + 1);
        Assert.assertTrue(count >= Shadow.USERNAME_SIZE_MIN && count <= Shadow.USERNAME_SIZE_MAX);
        username = RandomStringUtils.randomAlphanumeric(32);
    } while (FIND_BY_USERNAME(manager, username) != null);

    return username;
}

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

public static Boolean someBoolean() {
    return ThreadLocalRandom.current().nextBoolean();
}

From source file:com.github.horrorho.inflatabledonkey.cloudkitty.CloudKitty.java

public static CloudKitty backupd(CKInit ckInit, String cloudKitToken) {

    String container = "com.apple.backup.ios";
    String bundle = "com.apple.backupd";

    String cloudKitUserId = ckInit.cloudKitUserId();
    String baseUrl = ckInit.production().url();

    String deviceID = UUID.randomUUID().toString();
    String deviceHardwareID = new BigInteger(256, ThreadLocalRandom.current()).toString(16)
            .toUpperCase(Locale.US);

    RequestOperationFactory factory = new RequestOperationFactory(cloudKitUserId, container, bundle,
            deviceHardwareID, deviceID);

    InputStreamResponseHandler<List<CloudKit.ResponseOperation>> responseHandler = new InputStreamResponseHandler<>(
            new RawProtoDecoderLogger(null));

    return new CloudKitty(factory, container, bundle, cloudKitUserId, cloudKitToken, baseUrl, responseHandler);
}

From source file:org.apache.htrace.core.ProbabilitySampler.java

@Override
public boolean next() {
    return ThreadLocalRandom.current().nextDouble() < threshold;
}

From source file:com.microsoft.sqlserver.testframework.sqlType.SqlTime.java

public Object createdata() {
    Time temp = new Time(
            ThreadLocalRandom.current().nextLong(((Time) minvalue).getTime(), ((Time) maxvalue).getTime()));
    String timeNano = temp.toString() + "." + RandomStringUtils.randomNumeric(this.precision);
    // can pass String rather than converting to loacTime, but leaving it
    // unchanged for now to handle prepared statements
    return LocalTime.parse(timeNano, formatter);
}

From source file:com.microsoft.sqlserver.testframework.sqlType.SqlDateTime2.java

public Object createdata() {
    Timestamp temp = new Timestamp(ThreadLocalRandom.current().nextLong(((Timestamp) minvalue).getTime(),
            ((Timestamp) maxvalue).getTime()));
    temp.setNanos(0);// w  w  w. ja  v a 2s . c om
    String timeNano = temp.toString().substring(0, temp.toString().length() - 1)
            + RandomStringUtils.randomNumeric(this.precision);
    // can pass string rather than converting to LocalDateTime, but leaving
    // it unchanged for now to handle prepared statements
    return LocalDateTime.parse(timeNano, formatter);
}