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org.hibernate.id

Class IncrementGenerator

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

Fields inherited from interface org.hibernate.id.IdentifierGenerator

ENTITY_NAME

Method Summary

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 object)
Generate a new identifier.

Method Details

configure

public void configure(Type type,
                      Properties params,
                      Dialect dialect)
            throws MappingException
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
Parameters:
params - param values, keyed by parameter name

generate

public Serializable generate(SessionImplementor session,
                             Object object)
            throws HibernateException
Generate a new identifier.
Specified by:
generate in interface IdentifierGenerator
Parameters:
session -
object - the entity or toplevel collection for which the id is being generated
Returns:
a new identifier
Throws:
HibernateException -

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