org.exolab.castor.jdo.keygen
Class IdentityKeyGeneratorFactory

java.lang.Object
  org.exolab.castor.jdo.keygen.IdentityKeyGeneratorFactory

All Implemented Interfaces:

KeyGeneratorFactory

public final class IdentityKeyGeneratorFactory

extends java.lang.Object

implements KeyGeneratorFactory

IDENTITY key generator factory. The short name of this key generator is "IDENTITY". It works for Sybase and SQL Server identity (autoincrement) fields and fetched @@identity after insert.

Version:

$Revision: 7121 $ $Date: 2005-06-01 06:08:22 -0600 (Wed, 01 Jun 2005) $

Author:

Oleg Nitz

See Also:

IdentityKeyGenerator

Constructor Summary

IdentityKeyGeneratorFactory()

Method Summary

KeyGenerator	getKeyGenerator(PersistenceFactory factory, java.util.Properties params, int sqlType) Produce the key generator.
java.lang.String	getName() The short name of this key generator is "IDENTITY".

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityKeyGeneratorFactory

public IdentityKeyGeneratorFactory()

Method Detail

getKeyGenerator

public KeyGenerator getKeyGenerator(PersistenceFactory factory,
                                    java.util.Properties params,
                                    int sqlType)
                             throws org.exolab.castor.mapping.MappingException

Produce the key generator.

Specified by:

getKeyGenerator in interface KeyGeneratorFactory

Parameters:

factory - Helper object for obtaining database-specific QuerySyntax.

params - Parameters for key generator.

sqlType - The SQL type of the primary key, the generated identities must have the corresponding Java type, e.g. java.sql.Types.INTEGER corresponds to java.lang.Integer, java.sql.Types.NUMERIC corresponds to java.lang.BigDecimal.

Throws:

org.exolab.castor.mapping.MappingException

getName

public java.lang.String getName()

The short name of this key generator is "IDENTITY".

Specified by:

getName in interface KeyGeneratorFactory