Package org.hibernate.id

Interface PersistentIdentifierGenerator

All Superinterfaces:

IdentifierGenerator

All Known Implementing Classes:

MultipleHiLoPerTableGenerator, SequenceGenerator, SequenceHiLoGenerator, SequenceIdentityGenerator, SequenceStyleGenerator, TableGenerator, TableGenerator, TableHiLoGenerator

public interface PersistentIdentifierGenerator
extends IdentifierGenerator

An IdentifierGenerator that requires creation of database objects.

All PersistentIdentifierGenerators that also implement Configurable have access to a special mapping parameter: schema

See Also:

• IdentifierGenerator
• Configurable

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CATALOG	The configuration parameter holding the catalog name
static final String	IDENTIFIER_NORMALIZER	The key under whcih to find the ObjectNameNormalizer in the config param map.
static final String	PK	The configuration parameter holding the primary key column name of the generated id
static final String	SCHEMA	The configuration parameter holding the schema name
static final SQLStatementLogger	SQL_STATEMENT_LOGGER
static final String	TABLE	The configuration parameter holding the table name for the generated id
static final String	TABLES	The configuration parameter holding the table names for all tables for which the id must be unique

Fields inherited from interface org.hibernate.id.IdentifierGenerator

ENTITY_NAME

Method Summary

Modifier and Type	Method	Description
Object	generatorKey()	Return a key unique to the underlying database objects.
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 interface org.hibernate.id.IdentifierGenerator

generate

Field Details

SCHEMA

static final String SCHEMA

The configuration parameter holding the schema name

See Also:

• Constant Field Values

TABLE

static final String TABLE

The configuration parameter holding the table name for the generated id

See Also:

• Constant Field Values

TABLES

static final String TABLES

The configuration parameter holding the table names for all tables for which the id must be unique

See Also:

• Constant Field Values

PK

static final String PK

The configuration parameter holding the primary key column name of the generated id

See Also:

• Constant Field Values

CATALOG

static final String CATALOG

The configuration parameter holding the catalog name

See Also:

• Constant Field Values

IDENTIFIER_NORMALIZER

static final String IDENTIFIER_NORMALIZER

The key under whcih to find the ObjectNameNormalizer in the config param map.

See Also:

• Constant Field Values

SQL_STATEMENT_LOGGER

static final SQLStatementLogger SQL_STATEMENT_LOGGER

Method Details

sqlCreateStrings

String[] sqlCreateStrings(Dialect dialect)
                   throws HibernateException

The SQL required to create the underlying database objects.

Parameters:

dialect - The dialect against which to generate the create command(s)

Returns:

The create command(s)

Throws:

HibernateException - problem creating the create command(s)

sqlDropStrings

String[] sqlDropStrings(Dialect dialect)
                 throws HibernateException

The SQL required to remove the underlying database objects.

Parameters:

dialect - The dialect against which to generate the drop command(s)

Returns:

The drop command(s)

Throws:

HibernateException - problem creating the drop command(s)

generatorKey

Object generatorKey()

Return a key unique to the underlying database objects. Prevents us from trying to create/remove them multiple times.

Returns:

Object an identifying key for this generator