java.lang.Object
- com.github.f4b6a3.uuid.UuidCreator

public final class UuidCreator
extends Object

Facade to all the UUID generators.

Field Summary

Fields
Modifier and Type	Field	Description
`static UuidLocalDomain`	`LOCAL_DOMAIN_GROUP`
`static UuidLocalDomain`	`LOCAL_DOMAIN_ORG`
`static UuidLocalDomain`	`LOCAL_DOMAIN_PERSON`
`static UuidNamespace`	`NAMESPACE_DNS`
`static UuidNamespace`	`NAMESPACE_ISO_OID`
`static UuidNamespace`	`NAMESPACE_URL`
`static UuidNamespace`	`NAMESPACE_X500_DN`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static UUID`	`fromBytes(byte[] uuid)`	Returns a UUID from a byte array.
`static UUID`	`fromString(String string)`	Returns a UUID from a string.
`static UUID`	`getDceSecurity(byte localDomain, int localIdentifier)`	Returns a DCE Security UUID.
`static UUID`	`getDceSecurity(UuidLocalDomain localDomain, int localIdentifier)`	Returns a DCE Security UUID.
`static DceSecurityUuidCreator`	`getDceSecurityCreator()`	Returns a `DceSecurityUuidCreator` that creates UUID version 2.
`static UUID`	`getDceSecurityWithHash(byte localDomain, int localIdentifier)`	Returns a DCE Security UUID with system data hash as node identifier.
`static UUID`	`getDceSecurityWithHash(UuidLocalDomain localDomain, int localIdentifier)`	Returns a DCE Security UUID with system data hash as node identifier.
`static UUID`	`getDceSecurityWithMac(byte localDomain, int localIdentifier)`	Returns a DCE Security UUID with hardware address as node identifier.
`static UUID`	`getDceSecurityWithMac(UuidLocalDomain localDomain, int localIdentifier)`	Returns a DCE Security UUID with hardware address as node identifier.
`static UUID`	`getNameBasedMd5(byte[] name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(UuidNamespace namespace, byte[] name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(UuidNamespace namespace, String name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(String name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(String namespace, byte[] name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(String namespace, String name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(UUID namespace, byte[] name)`	Returns a name-based UUID (MD5).
`static UUID`	`getNameBasedMd5(UUID namespace, String name)`	Returns a name-based UUID (MD5).
`static NameBasedMd5UuidCreator`	`getNameBasedMd5Creator()`	Returns a `NameBasedMd5UuidCreator` that creates UUID version 3.
`static UUID`	`getNameBasedSha1(byte[] name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(UuidNamespace namespace, byte[] name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(UuidNamespace namespace, String name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(String name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(String namespace, byte[] name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(String namespace, String name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(UUID namespace, byte[] name)`	Returns a name-based UUID (SHA1).
`static UUID`	`getNameBasedSha1(UUID namespace, String name)`	Returns a name-based UUID (SHA1).
`static NameBasedSha1UuidCreator`	`getNameBasedSha1Creator()`	Returns a `NameBasedSha1UuidCreator` that creates UUID version 5.
`static UUID`	`getNil()`	Returns a Nil UUID.
`static UUID`	`getPrefixComb()`	Returns a Prefix COMB.
`static PrefixCombCreator`	`getPrefixCombCreator()`	Returns a `PrefixCombCreator`.
`static UUID`	`getRandomBased()`	Returns a random UUID.
`static RandomBasedUuidCreator`	`getRandomBasedCreator()`	Returns a `RandomBasedUuidCreator` that creates UUID version 4.
`static UUID`	`getShortPrefixComb()`	Returns n Short Prefix COMB.
`static ShortPrefixCombCreator`	`getShortPrefixCombCreator()`	Returns a `ShortPrefixCombCreator`.
`static UUID`	`getShortSuffixComb()`	Returns a Short Suffix COMB.
`static ShortSuffixCombCreator`	`getShortSuffixCombCreator()`	Returns a `ShortSuffixCombCreator`.
`static UUID`	`getSuffixComb()`	Returns a Suffix COMB.
`static SuffixCombCreator`	`getSuffixCombCreator()`	Returns a `SuffixCombCreator`.
`static UUID`	`getTimeBased()`	Returns a time-based UUID.
`static UUID`	`getTimeBased(Instant instant, Integer clockseq, Long nodeid)`	Returns a time-based UUID.
`static TimeBasedUuidCreator`	`getTimeBasedCreator()`	Returns a `TimeBasedUuidCreator` that creates UUID version 1.
`static UUID`	`getTimeBasedWithHash()`	Returns a time-based UUID with system data hash as node identifier.
`static UUID`	`getTimeBasedWithHash(Instant instant, Integer clockseq)`	Returns a time-based UUID with system data hash as node identifier.
`static UUID`	`getTimeBasedWithMac()`	Returns a time-based UUID with hardware address as node identifier.
`static UUID`	`getTimeBasedWithMac(Instant instant, Integer clockseq)`	Returns a time-based UUID with hardware address as node identifier.
`static UUID`	`getTimeOrdered()`	Returns a time-ordered UUID.
`static UUID`	`getTimeOrdered(Instant instant, Integer clockseq, Long nodeid)`	Returns a time-ordered UUID.
`static TimeOrderedUuidCreator`	`getTimeOrderedCreator()`	Returns a `TimeOrderedUuidCreator` that creates UUID version 6.
`static UUID`	`getTimeOrderedWithHash()`	Returns a time-ordered UUID with system data hash as node identifier.
`static UUID`	`getTimeOrderedWithHash(Instant instant, Integer clockseq)`	Returns a time-ordered UUID with system data hash as node identifier.
`static UUID`	`getTimeOrderedWithMac()`	Returns a time-ordered UUID with hardware address as node identifier.
`static UUID`	`getTimeOrderedWithMac(Instant instant, Integer clockseq)`	Returns a time-ordered UUID with hardware address as node identifier.
`static byte[]`	`toBytes(UUID uuid)`	Get the array of bytes from a UUID.
`static String`	`toString(UUID uuid)`	Get a string from a UUID.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - NAMESPACE_DNS
```
public static final UuidNamespace NAMESPACE_DNS
```
  - NAMESPACE_URL
```
public static final UuidNamespace NAMESPACE_URL
```
  - NAMESPACE_ISO_OID
```
public static final UuidNamespace NAMESPACE_ISO_OID
```
  - NAMESPACE_X500_DN
```
public static final UuidNamespace NAMESPACE_X500_DN
```
  - LOCAL_DOMAIN_PERSON
```
public static final UuidLocalDomain LOCAL_DOMAIN_PERSON
```
  - LOCAL_DOMAIN_GROUP
```
public static final UuidLocalDomain LOCAL_DOMAIN_GROUP
```
  - LOCAL_DOMAIN_ORG
```
public static final UuidLocalDomain LOCAL_DOMAIN_ORG
```
- Method Detail
  - toBytes
```
public static byte[] toBytes(UUID uuid)
```
    Get the array of bytes from a UUID.
    
    Parameters:
    
    uuid - a UUID
    
    Returns:
    
    an array of bytes
  - fromBytes
```
public static UUID fromBytes(byte[] uuid)
```
    Returns a UUID from a byte array. It validates the input byte array.
    
    Parameters:
    
    uuid - a byte array
    
    Returns:
    
    a UUID
    
    Throws:
    
    InvalidUuidException - if invalid
  - toString
```
public static String toString(UUID uuid)
```
    Get a string from a UUID. It is much faster than UUID.toString() in JDK 8. In JDK9+ prefer UUID.toString().
    
    Parameters:
    
    uuid - a UUID
    
    Returns:
    
    a UUID string
  - fromString
```
public static UUID fromString(String string)
```
    Returns a UUID from a string. It accepts strings: - With URN prefix: "urn:uuid:"; - With curly braces: '{' and '}'; - With upper or lower case; - With or without hyphens. It is much faster than UUID.fromString(String) in JDK 8.
    
    Parameters:
    
    string - a UUID string
    
    Returns:
    
    a UUID
    
    Throws:
    
    InvalidUuidException - if invalid
  - getNil
```
public static UUID getNil()
```
    Returns a Nil UUID. The Nil UUID is special UUID that has all 128 bits set to zero.
    
    Returns:
    
    a Nil UUID
  - getRandomBased
```
public static UUID getRandomBased()
```
    Returns a random UUID. The random generator is SecureRandom.
    Details: - Version number: 4
    Returns:
    
    a version 4 UUID
  - getTimeBased
```
public static UUID getTimeBased()
```
    Returns a time-based UUID.
    Details: - Version number: 1 - Node identifier: random (default) or user defined
    A user defined node identifier can be provided by the system property 'uuidcreator.node' or the environment variable 'UUIDCREATOR_NODE'.
    Returns:
    
    a version 1 UUID
  - getTimeBasedWithMac
```
public static UUID getTimeBasedWithMac()
```
    Returns a time-based UUID with hardware address as node identifier.
    Details: - Version number: 1 - Node identifier: MAC
    Returns:
    
    a version 1 UUID
  - getTimeBasedWithHash
```
public static UUID getTimeBasedWithHash()
```
    Returns a time-based UUID with system data hash as node identifier.
    Details: - Version number: 1 - Node identifier: system data hash
    Returns:
    
    a version 1 UUID
  - getTimeBased
```
public static UUID getTimeBased(Instant instant,
                                Integer clockseq,
                                Long nodeid)
```
    Returns a time-based UUID.
    Details: - Version number: 1 - Node identifier: random
    Parameters:
    
    instant - an alternate instant
    
    clockseq - an alternate clock sequence (0 to 16,383)
    
    nodeid - an alternate node (0 to 2^48-1)
    
    Returns:
    
    a version 1 UUID
  - getTimeBasedWithMac
```
public static UUID getTimeBasedWithMac(Instant instant,
                                       Integer clockseq)
```
    Returns a time-based UUID with hardware address as node identifier.
    Details: - Version number: 1 - Node identifier: MAC
    Parameters:
    
    instant - an alternate instant
    
    clockseq - an alternate clock sequence (0 to 16,383)
    
    Returns:
    
    a version 1 UUID
  - getTimeBasedWithHash
```
public static UUID getTimeBasedWithHash(Instant instant,
                                        Integer clockseq)
```
    Returns a time-based UUID with system data hash as node identifier.
    Details: - Version number: 1 - Node identifier: system data hash
    Parameters:
    
    instant - an alternate instant
    
    clockseq - an alternate clock sequence (0 to 16,383)
    
    Returns:
    
    a version 1 UUID
  - getTimeOrdered
```
public static UUID getTimeOrdered()
```
    Returns a time-ordered UUID.
    Details: - Version number: 6 - Node identifier: random (default) or user defined
    A user defined node identifier can be provided by the system property 'uuidcreator.node' or the environment variable 'UUIDCREATOR_NODE'.
    Returns:
    
    a version 6 UUID
  - getTimeOrderedWithMac
```
public static UUID getTimeOrderedWithMac()
```
    Returns a time-ordered UUID with hardware address as node identifier.
    Details: - Version number: 6 - Node identifier: MAC
    Returns:
    
    a version 6 UUID
  - getTimeOrderedWithHash
```
public static UUID getTimeOrderedWithHash()
```
    Returns a time-ordered UUID with system data hash as node identifier.
    Details: - Version number: 6 - Node identifier: system data hash
    Returns:
    
    a version 6 UUID
  - getTimeOrdered
```
public static UUID getTimeOrdered(Instant instant,
                                  Integer clockseq,
                                  Long nodeid)
```
    Returns a time-ordered UUID.
    Details: - Version number: 6 - Node identifier: random
    Parameters:
    
    instant - an alternate instant
    
    clockseq - an alternate clock sequence (0 to 16,383)
    
    nodeid - an alternate node (0 to 2^48-1)
    
    Returns:
    
    a version 6 UUID
  - getTimeOrderedWithMac
```
public static UUID getTimeOrderedWithMac(Instant instant,
                                         Integer clockseq)
```
    Returns a time-ordered UUID with hardware address as node identifier.
    Details: - Version number: 6 - Node identifier: MAC
    Parameters:
    
    instant - an alternate instant
    
    clockseq - an alternate clock sequence (0 to 16,383)
    
    Returns:
    
    a version 6 UUID
  - getTimeOrderedWithHash
```
public static UUID getTimeOrderedWithHash(Instant instant,
                                          Integer clockseq)
```
    Returns a time-ordered UUID with system data hash as node identifier.
    Details: - Version number: 6 - Node identifier: system data hash
    Parameters:
    
    instant - an alternate instant
    
    clockseq - an alternate clock sequence (0 to 16,383)
    
    Returns:
    
    a version 6 UUID
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(String name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: NO
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedMd5(byte[]) instead.
    Parameters:
    
    name - a name string
    
    Returns:
    
    a version 3 UUID
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(byte[] name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: NO
    Parameters:
    
    name - a byte array
    
    Returns:
    
    a version 3 UUID
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(UUID namespace,
                                   String name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: YES (custom)
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedMd5(UUID, byte[]) instead.
    Parameters:
    
    namespace - a custom name space UUID
    
    name - a name string
    
    Returns:
    
    a version 3 UUID
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(UUID namespace,
                                   byte[] name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: YES (custom)
    Parameters:
    
    namespace - a custom name space UUID
    
    name - a byte array
    
    Returns:
    
    a version 3 UUID
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(String namespace,
                                   String name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: YES (custom)
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedMd5(String, byte[]) instead.
    Parameters:
    
    namespace - a custom name space UUID in string format
    
    name - a name string
    
    Returns:
    
    a version 3 UUID
    
    Throws:
    
    InvalidUuidException - if the namespace is invalid
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(String namespace,
                                   byte[] name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: YES (custom)
    Parameters:
    
    namespace - a custom name space UUID in string format
    
    name - a byte array
    
    Returns:
    
    a version 3 UUID
    
    Throws:
    
    InvalidUuidException - if the namespace is invalid
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(UuidNamespace namespace,
                                   String name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: YES (predefined)
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedMd5(UuidNamespace, byte[]) instead.
    Name spaces predefined by RFC-4122 (Appendix C): - NAMESPACE_DNS: Name string is a fully-qualified domain name; - NAMESPACE_URL: Name string is a URL; - NAMESPACE_ISO_OID: Name string is an ISO OID; - NAMESPACE_X500_DN: Name string is an X.500 DN (in DER or a text format).
    See: UuidNamespace.
    Parameters:
    
    namespace - a predefined name space enumeration
    
    name - a name string
    
    Returns:
    
    a version 3 UUID
  - getNameBasedMd5
```
public static UUID getNameBasedMd5(UuidNamespace namespace,
                                   byte[] name)
```
    Returns a name-based UUID (MD5).
    Details: - Version number: 3 - Hash Algorithm: MD5 - Name Space: YES (predefined)
    
    Name spaces predefined by RFC-4122 (Appendix C): - NAMESPACE_DNS: Name string is a fully-qualified domain name; - NAMESPACE_URL: Name string is a URL; - NAMESPACE_ISO_OID: Name string is an ISO OID; - NAMESPACE_X500_DN: Name string is an X.500 DN (in DER or a text format).
    See: UuidNamespace.
    Parameters:
    
    namespace - a predefined name space enumeration
    
    name - a byte array
    
    Returns:
    
    a version 3 UUID
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(String name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: NO
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedSha1(byte[]) instead.
    Parameters:
    
    name - a name string
    
    Returns:
    
    a version 5 UUID
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(byte[] name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: NO
    Parameters:
    
    name - a byte array
    
    Returns:
    
    a version 5 UUID
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(UUID namespace,
                                    String name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: YES (custom)
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedSha1(UUID, byte[]) instead.
    Parameters:
    
    namespace - a custom name space UUID
    
    name - a name string
    
    Returns:
    
    a version 5 UUID
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(UUID namespace,
                                    byte[] name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: YES (custom)
    Parameters:
    
    namespace - a custom name space UUID
    
    name - a byte array
    
    Returns:
    
    a version 5 UUID
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(String namespace,
                                    String name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: YES (custom)
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedSha1(String, byte[]) instead.
    Parameters:
    
    namespace - a custom name space UUID in string format
    
    name - a name string
    
    Returns:
    
    a version 5 UUID
    
    Throws:
    
    InvalidUuidException - if the namespace is invalid
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(String namespace,
                                    byte[] name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: YES (custom)
    Parameters:
    
    namespace - a custom name space UUID in string format
    
    name - a byte array
    
    Returns:
    
    a version 5 UUID
    
    Throws:
    
    InvalidUuidException - if the namespace is invalid
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(UuidNamespace namespace,
                                    String name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: YES (predefined)
    The name string is encoded into a sequence of bytes using the UTF-8 charset. If you want another charset, use getNameBasedSha1(UuidNamespace, byte[]) instead.
    Name spaces predefined by RFC-4122 (Appendix C): - NAMESPACE_DNS: Name string is a fully-qualified domain name; - NAMESPACE_URL: Name string is a URL; - NAMESPACE_ISO_OID: Name string is an ISO OID; - NAMESPACE_X500_DN: Name string is an X.500 DN (in DER or a text format).
    See: UuidNamespace.
    Parameters:
    
    namespace - a predefined name space enumeration
    
    name - a name string
    
    Returns:
    
    a version 5 UUID
  - getNameBasedSha1
```
public static UUID getNameBasedSha1(UuidNamespace namespace,
                                    byte[] name)
```
    Returns a name-based UUID (SHA1).
    Details: - Version number: 5 - Hash Algorithm: SHA1 - Name Space: YES (predefined)
    
    Name spaces predefined by RFC-4122 (Appendix C): - NAMESPACE_DNS: Name string is a fully-qualified domain name; - NAMESPACE_URL: Name string is a URL; - NAMESPACE_ISO_OID: Name string is an ISO OID; - NAMESPACE_X500_DN: Name string is an X.500 DN (in DER or a text format).
    See: UuidNamespace.
    Parameters:
    
    namespace - a predefined name space enumeration
    
    name - a byte array
    
    Returns:
    
    a version 5 UUID
  - getDceSecurity
```
public static UUID getDceSecurity(byte localDomain,
                                  int localIdentifier)
```
    Returns a DCE Security UUID. See: UuidLocalDomain.
    Details: - Version number: 2 - Node identifier: random
    Parameters:
    
    localDomain - a custom local domain byte
    
    localIdentifier - a local identifier
    
    Returns:
    
    a version 2 UUID
  - getDceSecurityWithMac
```
public static UUID getDceSecurityWithMac(byte localDomain,
                                         int localIdentifier)
```
    Returns a DCE Security UUID with hardware address as node identifier. See: UuidLocalDomain.
    Details: - Version number: 2 - Node identifier: MAC
    Parameters:
    
    localDomain - a custom local domain byte
    
    localIdentifier - a local identifier
    
    Returns:
    
    a version 2 UUID
  - getDceSecurityWithHash
```
public static UUID getDceSecurityWithHash(byte localDomain,
                                          int localIdentifier)
```
    Returns a DCE Security UUID with system data hash as node identifier. See: UuidLocalDomain.
    Details: - Version number: 2 - Node identifier: system data hash
    Parameters:
    
    localDomain - a custom local domain byte
    
    localIdentifier - a local identifier
    
    Returns:
    
    a version 2 UUID
  - getDceSecurity
```
public static UUID getDceSecurity(UuidLocalDomain localDomain,
                                  int localIdentifier)
```
    Returns a DCE Security UUID.
    Details: - Version number: 2 - Node identifier: random
    
    Local domains predefined by DCE 1.1 Authentication and Security Services (Chapter 11): - LOCAL_DOMAIN_PERSON: 0 (interpreted as POSIX UID domain); - LOCAL_DOMAIN_GROUP: 1 (interpreted as POSIX GID domain); - LOCAL_DOMAIN_ORG: 2.
    See: UuidLocalDomain.
    Parameters:
    
    localDomain - a predefined local domain enumeration
    
    localIdentifier - a local identifier
    
    Returns:
    
    a version 2 UUID
  - getDceSecurityWithMac
```
public static UUID getDceSecurityWithMac(UuidLocalDomain localDomain,
                                         int localIdentifier)
```
    Returns a DCE Security UUID with hardware address as node identifier.
    Details: - Version number: 2 - Node identifier: MAC
    
    Local domains predefined by DCE 1.1 Authentication and Security Services (Chapter 11): - LOCAL_DOMAIN_PERSON: 0 (interpreted as POSIX UID domain); - LOCAL_DOMAIN_GROUP: 1 (interpreted as POSIX GID domain); - LOCAL_DOMAIN_ORG: 2.
    See: UuidLocalDomain.
    Parameters:
    
    localDomain - a predefined local domain enumeration
    
    localIdentifier - a local identifier
    
    Returns:
    
    a version 2 UUID
  - getDceSecurityWithHash
```
public static UUID getDceSecurityWithHash(UuidLocalDomain localDomain,
                                          int localIdentifier)
```
    Returns a DCE Security UUID with system data hash as node identifier. See: UuidLocalDomain.
    Details: - Version number: 2 - Node identifier: system data hash
    Parameters:
    
    localDomain - a predefined local domain enumeration
    
    localIdentifier - a local identifier
    
    Returns:
    
    a version 2 UUID
  - getPrefixComb
```
public static UUID getPrefixComb()
```
    Returns a Prefix COMB. The creation millisecond is a 6 bytes PREFIX is at the MOST significant bits. Read: The Cost of GUIDs as Primary Keys http://www.informit.com/articles/article.aspx?p=25862
    
    Returns:
    
    a GUID
  - getSuffixComb
```
public static UUID getSuffixComb()
```
    Returns a Suffix COMB. The creation millisecond is a 6 bytes SUFFIX is at the LEAST significant bits. Read: The Cost of GUIDs as Primary Keys http://www.informit.com/articles/article.aspx?p=25862
    
    Returns:
    
    a GUID
  - getShortPrefixComb
```
public static UUID getShortPrefixComb()
```
    Returns n Short Prefix COMB. The creation minute is a 2 bytes PREFIX is at the MOST significant bits. The prefix wraps around every ~45 days (2^16/60/24 = ~45). Read: Sequential UUID Generators https://www.2ndquadrant.com/en/blog/sequential-uuid-generators/
    
    Returns:
    
    a GUID
  - getShortSuffixComb
```
public static UUID getShortSuffixComb()
```
    Returns a Short Suffix COMB. The creation minute is a 2 bytes SUFFIX is at the LEAST significant bits. The suffix wraps around every ~45 days (2^16/60/24 = ~45). Read: Sequential UUID Generators https://www.2ndquadrant.com/en/blog/sequential-uuid-generators/
    
    Returns:
    
    a GUID
  - getRandomBasedCreator
```
public static RandomBasedUuidCreator getRandomBasedCreator()
```
    Returns a RandomBasedUuidCreator that creates UUID version 4.
    
    Returns:
    
    RandomBasedUuidCreator
  - getTimeBasedCreator
```
public static TimeBasedUuidCreator getTimeBasedCreator()
```
    Returns a TimeBasedUuidCreator that creates UUID version 1.
    
    Returns:
    
    TimeBasedUuidCreator
  - getTimeOrderedCreator
```
public static TimeOrderedUuidCreator getTimeOrderedCreator()
```
    Returns a TimeOrderedUuidCreator that creates UUID version 6.
    
    Returns:
    
    TimeOrderedUuidCreator
  - getNameBasedMd5Creator
```
public static NameBasedMd5UuidCreator getNameBasedMd5Creator()
```
    Returns a NameBasedMd5UuidCreator that creates UUID version 3.
    
    Returns:
    
    NameBasedMd5UuidCreator
  - getNameBasedSha1Creator
```
public static NameBasedSha1UuidCreator getNameBasedSha1Creator()
```
    Returns a NameBasedSha1UuidCreator that creates UUID version 5.
    
    Returns:
    
    NameBasedSha1UuidCreator
  - getDceSecurityCreator
```
public static DceSecurityUuidCreator getDceSecurityCreator()
```
    Returns a DceSecurityUuidCreator that creates UUID version 2.
    
    Returns:
    
    DceSecurityUuidCreator
  - getSuffixCombCreator
```
public static SuffixCombCreator getSuffixCombCreator()
```
    Returns a SuffixCombCreator. Read: The Cost of GUIDs as Primary Keys http://www.informit.com/articles/article.aspx?p=25862
    
    Returns:
    
    SuffixCombCreator
  - getPrefixCombCreator
```
public static PrefixCombCreator getPrefixCombCreator()
```
    Returns a PrefixCombCreator. Read: The Cost of GUIDs as Primary Keys http://www.informit.com/articles/article.aspx?p=25862
    
    Returns:
    
    PrefixCombCreator
  - getShortPrefixCombCreator
```
public static ShortPrefixCombCreator getShortPrefixCombCreator()
```
    Returns a ShortPrefixCombCreator. Read: Sequential UUID Generators https://www.2ndquadrant.com/en/blog/sequential-uuid-generators/
    
    Returns:
    
    ShortPrefixCombCreator
  - getShortSuffixCombCreator
```
public static ShortSuffixCombCreator getShortSuffixCombCreator()
```
    Returns a ShortSuffixCombCreator. Read: Sequential UUID Generators https://www.2ndquadrant.com/en/blog/sequential-uuid-generators/
    
    Returns:
    
    ShortSuffixCombCreator

Class UuidCreator

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NAMESPACE_DNS

NAMESPACE_URL

NAMESPACE_ISO_OID

NAMESPACE_X500_DN

LOCAL_DOMAIN_PERSON

LOCAL_DOMAIN_GROUP

LOCAL_DOMAIN_ORG

Method Detail

toBytes

fromBytes

toString

fromString

getNil

getRandomBased

getTimeBased

getTimeBasedWithMac

getTimeBasedWithHash

getTimeBased

getTimeBasedWithMac

getTimeBasedWithHash

getTimeOrdered

getTimeOrderedWithMac

getTimeOrderedWithHash

getTimeOrdered

getTimeOrderedWithMac

getTimeOrderedWithHash

getNameBasedMd5

getNameBasedMd5

getNameBasedMd5

getNameBasedMd5

getNameBasedMd5

getNameBasedMd5

getNameBasedMd5

getNameBasedMd5

getNameBasedSha1

getNameBasedSha1

getNameBasedSha1

getNameBasedSha1

getNameBasedSha1

getNameBasedSha1

getNameBasedSha1

getNameBasedSha1

getDceSecurity

getDceSecurityWithMac

getDceSecurityWithHash

getDceSecurity

getDceSecurityWithMac

getDceSecurityWithHash

getPrefixComb

getSuffixComb

getShortPrefixComb

getShortSuffixComb

getRandomBasedCreator

getTimeBasedCreator

getTimeOrderedCreator

getNameBasedMd5Creator

getNameBasedSha1Creator

getDceSecurityCreator

getSuffixCombCreator

getPrefixCombCreator

getShortPrefixCombCreator

getShortSuffixCombCreator