Package com.helixframework.id.uuid

Class UuidUtil.V7

java.lang.Object

com.helixframework.id.uuid.UuidUtil.V7

Enclosing class:

UuidUtil

public static final class UuidUtil.V7
extends Object

A utility class for Version 7 UUID generation and manipulation according to the IETF UUID draft specification. Version 7 UUIDs are time-ordered UUIDs that use Unix Epoch timestamp in milliseconds as the time source.

Constructor Summary

Constructors

Constructor	Description
V7()

Method Summary

Modifier and Type	Method	Description
static Instant	extractInstant(UUID u)	Extracts the timestamp from a Version 7 UUID.
static UUID	monotonic()	Generates a new Version 7 UUID with monotonically increasing random bits within the same millisecond.
static UUID	random()	Generates a new Version 7 UUID using current timestamp and random bits.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

V7

public V7()

Method Details

random

public static UUID random()

Generates a new Version 7 UUID using current timestamp and random bits.

Returns:

new Version 7 UUID

monotonic

public static UUID monotonic()

Generates a new Version 7 UUID with monotonically increasing random bits within the same millisecond.

Returns:

new Version 7 UUID with monotonic random bits

extractInstant

public static Instant extractInstant(UUID u)

Extracts the timestamp from a Version 7 UUID.

Parameters:

u - UUID to extract timestamp from

Returns:

Instant representing the timestamp, or null if not a V7 UUID