memeid

Class UUID.V5

java.lang.Object

memeid.UUID

memeid.UUID.V5

All Implemented Interfaces:

java.lang.Comparable<UUID>

Enclosing class:

UUID

public static final class UUID.V5
extends UUID

Version 5 UUIDs are those generated by hashing a namespace identifier and name using SHA-1 as the hashing algorithm.

See Also:

RFC-4122

Nested Class Summary

Nested classes/interfaces inherited from class memeid.UUID

UUID.UnknownVersion, UUID.V1, UUID.V2, UUID.V3, UUID.V4, UUID.V5

Field Summary

Fields inherited from class memeid.UUID

nibbles, NIL

Method Summary

Modifier and Type	Method and Description
static <A> UUID	from(UUID namespace, A name, java.util.function.Function<A,byte[]> nameToBytes) Construct a namespace name-based UUID.V5 UUID.
static UUID	from(UUID namespace, java.lang.String name) Construct a namespace name-based UUID.V5 UUID.

Methods inherited from class memeid.UUID

asJava, asV1, asV2, asV3, asV4, asV5, compareTo, equals, from, fromString, fromUUID, getLeastSignificantBits, getMostSignificantBits, hashCode, isNil, isV1, isV2, isV3, isV4, isV5, toString, variant, version

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

from

public static UUID from(UUID namespace,
                        java.lang.String name)

Construct a namespace name-based UUID.V5 UUID. Uses SHA1 as a hash algorithm

Parameters:

namespace - UUID used for the UUID.V5 generation

name - name used for the UUID.V5 generation in string format

Returns:

a UUID.V5 UUID

from

public static <A> UUID from(UUID namespace,
                            A name,
                            java.util.function.Function<A,byte[]> nameToBytes)

Construct a namespace name-based UUID.V5 UUID. Uses MD5 as a hash algorithm

Type Parameters:

A - the type of the name parameter

Parameters:

namespace - UUID used for the UUID.V5 generation

name - name used for the UUID.V5 generation

nameToBytes - function used to convert the name to a byte array

Returns:

a UUID.V5 UUID