AbstractUUIDGenerator (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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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 Object
implements IdentifierGenerator

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

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

Constructor Detail