com.ebmwebsourcing.easycommons.uuid
Class QualifiedUUIDGenerator

java.lang.Object
  com.ebmwebsourcing.easycommons.uuid.SimpleUUIDGenerator
      com.ebmwebsourcing.easycommons.uuid.QualifiedUUIDGenerator

public final class QualifiedUUIDGenerator
extends SimpleUUIDGenerator

A simple and fast qualified UUID generator.

The identifier is composed of two parts:

1. a domain namespace,
2. an UUID created according to the DCE Universal Token Identifier specification

Here is a generated UUID sample, based on a domain namespace called 'petalslink': petalslink:00000000-0000-002a-0000-00000000002a.

Author:

ofabre

Field Summary

static int

UUID_GENERATED_PART_SIZE The max size of the UUID string.

Constructor Summary

QualifiedUUIDGenerator(java.lang.String domain)

Method Summary

java.lang.String	getDomain()
java.lang.String	getNewID() Generates an unique identifier.
static java.lang.String	getSeparator()
int	getUuidMaxLength()

Methods inherited from class java.lang.Object

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

Field Detail

UUID_GENERATED_PART_SIZE

public static final int UUID_GENERATED_PART_SIZE

The max size of the UUID string.

Constructor Detail

QualifiedUUIDGenerator

public QualifiedUUIDGenerator(java.lang.String domain)

Parameters:

domain - The domain namespace of the unique identifier.

Method Detail

getNewID

public java.lang.String getNewID()

Generates an unique identifier. An identifier value has never been returned (existed) before its calculation.

The identifier is composed of two parts:

1. a domain namespace,
2. an UUID created according to the DCE Universal Token Identifier specification

This method is threadsafe.

Overrides:

getNewID in class SimpleUUIDGenerator

Parameters:

prefixNS - prefix or not the id

Returns:

A unique identifier

getDomain

public java.lang.String getDomain()

getUuidMaxLength

public int getUuidMaxLength()

getSeparator

public static java.lang.String getSeparator()