Top Description Fields Constructors Methods

org.hibernate.id

public abstract Class AbstractUUIDGenerator

Class Inheritance

extends Object
implements IdentifierGenerator

java.lang.Object
org.hibernate.id.AbstractUUIDGenerator

All Implemented Interfaces

org.hibernate.id.IdentifierGenerator, org.hibernate.boot.model.relational.ExportableProducer, org.hibernate.id.Configurable

Known Direct Subclasses

org.hibernate.id.UUIDHexGenerator

Imports

java.net.InetAddress, org.hibernate.internal.util.BytesHelper

Deprecated

as a consequence of IdentifierGenerator being deprecated. See corresponding docs for further information.

The base class for identifier generators that use a UUID algorithm. This class implements the algorithm, subclasses define the identifier format.

Author: Gavin King
See Also: UUIDHexGenerator

Field Summary

Modifier and Type	Field and Description
private static short	counter
private static final int	IP
private static final int	JVM

Constructor Summary

Access	Constructor and Description
public	AbstractUUIDGenerator()

Method Summary

Modifier and Type	Method and Description
protected short	getCount() Unique in a millisecond for this JVM instance (unless there are > Short.MAX_VALUE instances created in a millisecond)
protected short	getHiTime() Unique down to millisecond
protected int	getIP() Unique in a local network
protected int	getJVM() Unique across JVMs on this machine (unless they load this class in the same quarter second - very unlikely)
protected int	getLoTime()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

counter	back to summary
private static short counter

IP	back to summary
private static final int IP

JVM	back to summary
private static final int JVM

Constructor Detail

AbstractUUIDGenerator	back to summary
public AbstractUUIDGenerator()

Method Detail

getCount	back to summary
protected short getCount() Unique in a millisecond for this JVM instance (unless there are > Short.MAX_VALUE instances created in a millisecond)

getHiTime	back to summary
protected short getHiTime() Unique down to millisecond

getIP	back to summary
protected int getIP() Unique in a local network

getJVM	back to summary
protected int getJVM() Unique across JVMs on this machine (unless they load this class in the same quarter second - very unlikely)

getLoTime	back to summary
protected int getLoTime()