com.github.f4b6a3.uuid.factory.standard

Class TimeOrderedFactory

java.lang.Object

com.github.f4b6a3.uuid.factory.UuidFactory

com.github.f4b6a3.uuid.factory.AbstTimeBasedFactory

com.github.f4b6a3.uuid.factory.standard.TimeOrderedFactory

public final class TimeOrderedFactory
extends AbstTimeBasedFactory

Concrete factory for creating time-ordered unique identifiers (UUIDv6).

UUIDv6 is a new UUID version proposed by Peabody and Davis.

Warning: this can change in the future.

See Also:

AbstTimeBasedFactory, New UUID formats, Revise Universally Unique Identifier Definitions (uuidrev)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TimeOrderedFactory.Builder Concrete builder for creating a time-ordered factory.

Nested classes/interfaces inherited from class com.github.f4b6a3.uuid.factory.UuidFactory

UuidFactory.Parameters

Field Summary

Fields inherited from class com.github.f4b6a3.uuid.factory.AbstTimeBasedFactory

clockseqFunction, lock, nodeidFunction, timeFunction

Fields inherited from class com.github.f4b6a3.uuid.factory.UuidFactory

version, versionMask

Constructor Summary

Constructors

Constructor and Description
TimeOrderedFactory() Default constructor.

Method Summary

Modifier and Type	Method and Description
static TimeOrderedFactory.Builder	builder() Returns a builder of random-ordered factory.
protected long	formatMostSignificantBits(long timestamp) Returns the most significant bits of the UUID.

Methods inherited from class com.github.f4b6a3.uuid.factory.AbstTimeBasedFactory

create, create, formatLeastSignificantBits, selectNodeIdFunction, selectTimeFunction

Methods inherited from class com.github.f4b6a3.uuid.factory.UuidFactory

getVersion, nameBytes, nameBytes, namespaceBytes, namespaceBytes, namespaceBytes, toUuid

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeOrderedFactory

public TimeOrderedFactory()

Default constructor.

Method Detail

formatMostSignificantBits

protected long formatMostSignificantBits(long timestamp)

Returns the most significant bits of the UUID.

It implements the algorithm for generating UUIDv6.

Overrides:

formatMostSignificantBits in class AbstTimeBasedFactory

Parameters:

timestamp - the number of 100-nanoseconds since 1970-01-01 (Unix epoch)

Returns:

the MSB

builder

public static TimeOrderedFactory.Builder builder()

Returns a builder of random-ordered factory.

Returns:

a builder