|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.hibernate.id.SequenceGenerator
public class SequenceGenerator
sequence
Generates long values using an oracle-style sequence. A higher
performance algorithm is SequenceHiLoGenerator.
Mapping parameters supported: sequence, parameters.
SequenceHiLoGenerator
,
TableHiLoGenerator
Field Summary | |
---|---|
static String |
PARAMETERS
The parameters parameter, appended to the create sequence DDL. |
static String |
SEQUENCE
The sequence parameter |
Fields inherited from interface org.hibernate.id.PersistentIdentifierGenerator |
---|
CATALOG, IDENTIFIER_NORMALIZER, PK, SCHEMA, SQL_STATEMENT_LOGGER, TABLE, TABLES |
Fields inherited from interface org.hibernate.id.IdentifierGenerator |
---|
ENTITY_NAME |
Constructor Summary | |
---|---|
SequenceGenerator()
|
Method Summary | |
---|---|
protected IntegralDataTypeHolder |
buildHolder()
|
void |
configure(Type type,
Properties params,
Dialect dialect)
Configure this instance, given the value of parameters specified by the user as <param> elements. |
Serializable |
generate(SessionImplementor session,
Object obj)
Generate a new identifier. |
protected IntegralDataTypeHolder |
generateHolder(SessionImplementor session)
|
Object |
generatorKey()
Return a key unique to the underlying database objects. |
Type |
getIdentifierType()
|
String |
getSequenceName()
|
String[] |
sqlCreateStrings(Dialect dialect)
The SQL required to create the underlying database objects. |
String[] |
sqlDropStrings(Dialect dialect)
The SQL required to remove the underlying database objects. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final String SEQUENCE
public static final String PARAMETERS
Constructor Detail |
---|
public SequenceGenerator()
Method Detail |
---|
public Type getIdentifierType()
public void configure(Type type, Properties params, Dialect dialect) throws MappingException
Configurable
configure
in interface Configurable
params
- param values, keyed by parameter name
MappingException
public Serializable generate(SessionImplementor session, Object obj)
IdentifierGenerator
generate
in interface IdentifierGenerator
obj
- the entity or toplevel collection for which the id is being generated
protected IntegralDataTypeHolder generateHolder(SessionImplementor session)
protected IntegralDataTypeHolder buildHolder()
public String[] sqlCreateStrings(Dialect dialect) throws HibernateException
PersistentIdentifierGenerator
sqlCreateStrings
in interface PersistentIdentifierGenerator
dialect
- The dialect against which to generate the create command(s)
HibernateException
- problem creating the create command(s)public String[] sqlDropStrings(Dialect dialect) throws HibernateException
PersistentIdentifierGenerator
sqlDropStrings
in interface PersistentIdentifierGenerator
dialect
- The dialect against which to generate the drop command(s)
HibernateException
- problem creating the drop command(s)public Object generatorKey()
PersistentIdentifierGenerator
generatorKey
in interface PersistentIdentifierGenerator
public String getSequenceName()
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |