Top Description Fields Constructors Methods
org.hibernate.id

public Class UUIDGenerator

extends Object
implements IdentifierGenerator
Class Inheritance
All Implemented Interfaces
org.hibernate.id.IdentifierGenerator, org.hibernate.boot.model.relational.ExportableProducer, org.hibernate.id.Configurable
Imports
java.io.Serializable, java.util.Properties, .UUID, org.hibernate.HibernateException, .MappingException, org.hibernate.boot.registry.classloading.spi.ClassLoaderService, .ClassLoadingException, org.hibernate.engine.spi.SharedSessionContractImplementor, org.hibernate.id.uuid.StandardRandomStrategy, org.hibernate.internal.CoreLogging, .CoreMessageLogger, org.hibernate.service.ServiceRegistry, org.hibernate.type.Type, org.hibernate.type.descriptor.java.UUIDTypeDescriptor

Deprecated

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

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

Field Summary

Modifier and TypeField and Description
private static final CoreMessageLogger
LOG

private UUIDGenerationStrategy
strategy

public static final String
UUID_GEN_STRATEGY

public static final String
UUID_GEN_STRATEGY_CLASS

private UUIDTypeDescriptor.ValueTransformer
valueTransformer

Constructor Summary

AccessConstructor and Description
public
UUIDGenerator()

Method Summary

Modifier and TypeMethod and Description
public static UUIDGenerator
buildSessionFactoryUniqueIdentifierGenerator()

Deprecated as a consequence of UUIDGenerator being deprecated.
public void
configure(Type
The id property type descriptor
type, Properties
param values, keyed by parameter name
params, ServiceRegistry
Access to service that may be needed.
serviceRegistry)

Overrides default org.hibernate.id.IdentifierGenerator.configure.

Configure this instance, given the value of parameters specified by the user as <param> elements.
public Serializable
generate(SharedSessionContractImplementor
The session from which the request originates
session, Object
the entity or collection (idbag) for which the id is being generated
object)

Implements org.hibernate.id.IdentifierGenerator.generate.

Generate a new identifier.
Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

LOGback to summary
private static final CoreMessageLogger LOG
strategyback to summary
private UUIDGenerationStrategy strategy
UUID_GEN_STRATEGYback to summary
public static final String UUID_GEN_STRATEGY
UUID_GEN_STRATEGY_CLASSback to summary
public static final String UUID_GEN_STRATEGY_CLASS
valueTransformerback to summary
private UUIDTypeDescriptor.ValueTransformer valueTransformer

Constructor Detail

UUIDGeneratorback to summary
public UUIDGenerator()

Method Detail

buildSessionFactoryUniqueIdentifierGeneratorback to summary
public static UUIDGenerator buildSessionFactoryUniqueIdentifierGenerator()

Deprecated

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

configureback to summary
public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException

Overrides default org.hibernate.id.IdentifierGenerator.configure.

Doc from org.hibernate.id.IdentifierGenerator.configure.

Configure this instance, given the value of parameters specified by the user as <param> elements.

This method is called just once, following instantiation, and before registerExportables(Database).

Parameters
type:Type

The id property type descriptor

params:Properties

param values, keyed by parameter name

serviceRegistry:ServiceRegistry

Access to service that may be needed.

Annotations
@Override
Exceptions
MappingException:
If configuration fails.
generateback to summary
public Serializable generate(SharedSessionContractImplementor session, Object object) throws HibernateException

Implements org.hibernate.id.IdentifierGenerator.generate.

Doc from org.hibernate.id.IdentifierGenerator.generate.

Generate a new identifier.

Parameters
session:SharedSessionContractImplementor

The session from which the request originates

object:Object

the entity or collection (idbag) for which the id is being generated

Returns:Serializable

a new identifier

Exceptions
HibernateException:
Indicates trouble generating the identifier