AbstractUUIDGenerator

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Class

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Deprecated

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org.hibernate.id
Class AbstractUUIDGenerator

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

All Implemented Interfaces:: IdentifierGenerator

Direct Known Subclasses:: UUIDHexGenerator

public abstract class AbstractUUIDGenerator
extends java.lang.Object
implements IdentifierGenerator

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

Field Summary

private static short counter


private static int IP


private static int JVM


Fields inherited from interface org.hibernate.id.IdentifierGenerator

ENTITY_NAME

Constructor Summary

AbstractUUIDGenerator()


Method Summary

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 quater second - very unlikely)

protected int getLoTime()


Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.id.IdentifierGenerator

generate

Field Detail

IP

private static final int IP

counter

private static short counter

JVM

private static final int JVM

Constructor Detail