org.openmdx.kernel.id
Class UUIDs

java.lang.Object
  org.openmdx.kernel.id.UUIDs

public class UUIDs
extends Object

UUIDs

This class can be configured with system properties, e.g.

• -Dorg.openmdx.uuid.generator=org.openmdx.kernel.id.plugin.TimeBasedUUIDGeneratorUsingRandomBasedNode (default)
• -Dorg.openmdx.uuid.generator=org.openmdx.kernel.id.plugin.RandomBasedUUIDGenerator

  Field Summary

  static String	GENERATOR The UUID provider system property.
  static UUID	NIL The NIL UUID as specified in http://www.ietf.org/internet-drafts/draft-mealling-uuid-urn-03.txt.

  Constructor Summary

  UUIDs()
  

  Method Summary

  static UUIDBuilder	getBuilder(String namespace) Load the configured UUID provider
  static UUIDGenerator	getGenerator() Load the configured UUID provider
  static String	toURN(UUID uuid) Returns an URN representation of a UUID according to http://www.ietf.org/internet-drafts/draft-mealling-uuid-urn-03.txt.

  Methods inherited from class java.lang.Object

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

  Field Detail

  NIL

  public static final UUID NIL

  The NIL UUID as specified in http://www.ietf.org/internet-drafts/draft-mealling-uuid-urn-03.txt.

  GENERATOR

  public static final String GENERATOR

  The UUID provider system property.

  See Also:

  Constant Field Values

  Constructor Detail

  UUIDs

  public UUIDs()

  Method Detail

  toURN

  public static final String toURN(UUID uuid)

  Returns an URN representation of a UUID according to http://www.ietf.org/internet-drafts/draft-mealling-uuid-urn-03.txt.

  The UUID "f81d4fae-7dec-11d0-a765-00a0c91e6bf6" for example is represented as "urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6".

  Parameters:

  uuid - to be represented as URN

  Returns:

  an URN corresponding to the provided uuid

  getGenerator

  public static UUIDGenerator getGenerator()

  Load the configured UUID provider

  If multiple threads need to generate UUIDs simultaneously then each should obtain its own UUIDBuilder instance.

  Returns:

  a UUID provider instance

  getBuilder

  public static UUIDBuilder getBuilder(String namespace)

  Load the configured UUID provider

  If multiple threads need to build UUIDs simultaneously then each should obtain its own UUIDBuilder instance.

  Returns:

  a UUID provider instance