public class UUIDGenerator extends Object implements IdentifierGenerator, Configurable
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:UUID_GEN_STRATEGY
- names the UUIDGenerationStrategy
instance to useUUID_GEN_STRATEGY_CLASS
- names the UUIDGenerationStrategy
class to useUUIDGenerationStrategy
:StandardRandomStrategy
(the default, if none specified)CustomVersionOneStrategy
Modifier and Type | Field and Description |
---|---|
static String |
UUID_GEN_STRATEGY |
static String |
UUID_GEN_STRATEGY_CLASS |
ENTITY_NAME, JPA_ENTITY_NAME
Constructor and Description |
---|
UUIDGenerator() |
Modifier and Type | Method and Description |
---|---|
static UUIDGenerator |
buildSessionFactoryUniqueIdentifierGenerator() |
void |
configure(Type type,
Properties params,
ServiceRegistry serviceRegistry)
Configure this instance, given the value of parameters
specified by the user as <param> elements.
|
Serializable |
generate(SessionImplementor session,
Object object)
Generate a new identifier.
|
public static final String UUID_GEN_STRATEGY
public static final String UUID_GEN_STRATEGY_CLASS
public static UUIDGenerator buildSessionFactoryUniqueIdentifierGenerator()
public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException
Configurable
configure
in interface Configurable
type
- The id property type descriptorparams
- param values, keyed by parameter nameserviceRegistry
- Access to service that may be needed.MappingException
public Serializable generate(SessionImplementor session, Object object) throws HibernateException
IdentifierGenerator
generate
in interface IdentifierGenerator
session
- The session from which the request originatesobject
- the entity or collection (idbag) for which the id is being generatedHibernateException
- Indicates trouble generating the identifierCopyright © 2017 JBoss by Red Hat. All rights reserved.