org.hibernate.id

Class IncrementGenerator

java.lang.Object

org.hibernate.id.IncrementGenerator

All Implemented Interfaces:

Configurable, IdentifierGenerator

public class IncrementGenerator
extends java.lang.Object
implements IdentifierGenerator, Configurable

increment

An IdentifierGenerator that returns a long, constructed by counting from the maximum primary key value at startup. Not safe for use in a cluster!

Mapping parameters supported, but not usually needed: tables, column. (The tables parameter specified a comma-separated list of table names.)

Author:

Gavin King, Steve Ebersole

Field Summary

Fields inherited from interface org.hibernate.id.IdentifierGenerator

ENTITY_NAME

Constructor Summary

Constructors

Constructor and Description
IncrementGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(Type type, java.util.Properties params, Dialect dialect) Configure this instance, given the value of parameters specified by the user as <param> elements.
java.io.Serializable	generate(SessionImplementor session, java.lang.Object object) Generate a new identifier.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IncrementGenerator

public IncrementGenerator()

Method Detail

generate

public java.io.Serializable generate(SessionImplementor session,
                            java.lang.Object object)
                              throws HibernateException

Description copied from interface: IdentifierGenerator

Generate a new identifier.

Specified by:

generate in interface IdentifierGenerator

object - the entity or toplevel collection for which the id is being generated

Returns:

a new identifier

Throws:

HibernateException

configure

public void configure(Type type,
             java.util.Properties params,
             Dialect dialect)
               throws MappingException

Description copied from interface: Configurable

Configure this instance, given the value of parameters specified by the user as <param> elements. This method is called just once, following instantiation.

Specified by:

configure in interface Configurable

params - param values, keyed by parameter name

Throws:

MappingException