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