IdentifierGenerator (Hibernate API Documentation) - Hibernate 2.1.8 正式版 API 英文文档

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net.sf.hibernate.id
Interface IdentifierGenerator

All Known Subinterfaces:: PersistentIdentifierGenerator

All Known Implementing Classes:: Assigned, CounterGenerator, ForeignGenerator, IdentityGenerator, IncrementGenerator, SequenceGenerator, TableGenerator, UUIDGenerator

public interface IdentifierGenerator

The general contract between a class that generates unique identifiers and the Session. It is not intended that this interface ever be exposed to the application. It is intended that users implement this interface to provide custom identifier generation strategies.

Implementors should provide a public default constructor.

Implementations that accept configuration parameters should also implement Configurable.
Implementors must be threadsafe

Author:: Gavin King
See Also:: PersistentIdentifierGenerator, Configurable

Method Summary

Serializable generate(SessionImplementor session, Object object)
Generate a new identifier.

Method Detail

generate

public Serializable generate(SessionImplementor session,
                             Object object)
                      throws SQLException,
                             HibernateException

Generate a new identifier.

Parameters:: session -; object - the entity or toplevel collection for which the id is being generated
Returns:: Serializable a new identifier
Throws:: SQLException; IdentifierGenerationException; HibernateException