org.hibernate.id
Class UUIDGenerator
java.lang.Object
org.hibernate.id.UUIDGenerator
- All Implemented Interfaces:
- Configurable, IdentifierGenerator
public class UUIDGenerator
- extends Object
- implements IdentifierGenerator, Configurable
An IdentifierGenerator
which generates UUID
values using a pluggable
generation strategy
. The values this generator can return
include UUID
, String
and byte[16]
Supports 2 config parameters:
Currently there are 2 standard implementations of UUIDGenerationStrategy
:
- Author:
- Steve Ebersole
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
UUID_GEN_STRATEGY
public static final String UUID_GEN_STRATEGY
- See Also:
- Constant Field Values
UUID_GEN_STRATEGY_CLASS
public static final String UUID_GEN_STRATEGY_CLASS
- See Also:
- Constant Field Values
UUIDGenerator
public UUIDGenerator()
buildSessionFactoryUniqueIdentifierGenerator
public static UUIDGenerator buildSessionFactoryUniqueIdentifierGenerator()
configure
public void configure(Type type,
Properties params,
Dialect d)
throws MappingException
- Description copied from interface:
Configurable
- Configure this instance, given the value of parameters
specified by the user as <param> elements.
This method is called just once, following instantiation.
- Specified by:
configure
in interface Configurable
params
- param values, keyed by parameter name
- Throws:
MappingException
generate
public Serializable generate(SessionImplementor session,
Object object)
throws HibernateException
- Description copied from interface:
IdentifierGenerator
- Generate a new identifier.
- Specified by:
generate
in interface IdentifierGenerator
object
- the entity or toplevel collection for which the id is being generated
- Returns:
- a new identifier
- Throws:
HibernateException
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