local.tomas.hibernate
Class CommonHibernatePersistence

java.lang.Object
  local.tomas.hibernate.CommonHibernatePersistence

All Implemented Interfaces:

local.tomas.util.versioning.VersionInterface

public abstract class CommonHibernatePersistence
extends Object
implements local.tomas.util.versioning.VersionInterface

Abstract base class for persistence handlers.

Author:

Teubner

Field Summary

protected Map<String,String>	configOverrides Configuration overrides mapping attributes to values.
protected javax.persistence.EntityManagerFactory	emf Entity manager factory

Constructor Summary

protected

CommonHibernatePersistence(org.apache.commons.configuration.Configuration conf, String emfName) Create instance.

Method Summary

String	getCurrentVersion(String name) Get current version.
protected org.hibernate.cfg.Configuration	getHibernateConfiguration() Get Hibernate configuration.
void	postInitVersion(String name, String toVersion) Called after initializing version.
void	postUpdateVersion(String name, String fromVersion, String toVersion) Called after updating to version.
void	preInitVersion(String name, String toVersion) Called before initializing version.
void	preUpdateVersion(String name, String fromVersion, String toVersion) Called before updating to version.
void	setVersion(String name, String newVersion) Set Version of entiry.
protected void	supplyHibernateConfiguration(org.hibernate.cfg.Configuration cfg) Supply hibernate configuration.

Methods inherited from class java.lang.Object

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

Field Detail

configOverrides

protected Map<String,String> configOverrides

Configuration overrides mapping attributes to values.

emf

protected javax.persistence.EntityManagerFactory emf

Entity manager factory

Constructor Detail

CommonHibernatePersistence

protected CommonHibernatePersistence(org.apache.commons.configuration.Configuration conf,
                                     String emfName)
                              throws HibernatePersistenceException

Create instance.

Parameters:

conf - configuration of this instance

emfName - entity manager factory name

Throws:

HibernatePersistenceException

Method Detail

getCurrentVersion

public String getCurrentVersion(String name)
                         throws local.tomas.util.versioning.VersionException

Get current version.

Specified by:

getCurrentVersion in interface local.tomas.util.versioning.VersionInterface

Parameters:

name - entity name

Returns:

current version of entiry

Throws:

local.tomas.util.versioning.VersionException

setVersion

public void setVersion(String name,
                       String newVersion)
                throws local.tomas.util.versioning.VersionException

Set Version of entiry.

Specified by:

setVersion in interface local.tomas.util.versioning.VersionInterface

Parameters:

name - entity name

newVersion - new version of entity

Throws:

local.tomas.util.versioning.VersionException

preInitVersion

public void preInitVersion(String name,
                           String toVersion)
                    throws local.tomas.util.versioning.VersionException

Called before initializing version. Tries a drop and performs a create on the Hibernate schema export.

Specified by:

preInitVersion in interface local.tomas.util.versioning.VersionInterface

Parameters:

name - entity name

toVersion - version to be initialized

Throws:

local.tomas.util.versioning.VersionException

postInitVersion

public void postInitVersion(String name,
                            String toVersion)
                     throws local.tomas.util.versioning.VersionException

Called after initializing version. Default implementation does nothing.

Specified by:

postInitVersion in interface local.tomas.util.versioning.VersionInterface

Parameters:

name - entity name

toVersion - version initialized

Throws:

local.tomas.util.versioning.VersionException

preUpdateVersion

public void preUpdateVersion(String name,
                             String fromVersion,
                             String toVersion)
                      throws local.tomas.util.versioning.VersionException

Called before updating to version. Executes hibernate schema update.

Specified by:

preUpdateVersion in interface local.tomas.util.versioning.VersionInterface

Parameters:

name - entity name

fromVersion - original version

toVersion - target version

Throws:

local.tomas.util.versioning.VersionException

postUpdateVersion

public void postUpdateVersion(String name,
                              String fromVersion,
                              String toVersion)
                       throws local.tomas.util.versioning.VersionException

Called after updating to version. Does nothing.

Specified by:

postUpdateVersion in interface local.tomas.util.versioning.VersionInterface

Parameters:

name - entity name

fromVersion - original version

toVersion - version reached

Throws:

local.tomas.util.versioning.VersionException

getHibernateConfiguration

protected org.hibernate.cfg.Configuration getHibernateConfiguration()

Get Hibernate configuration.

Returns:

hibernate configuration with configuration overrides applied.

supplyHibernateConfiguration

protected void supplyHibernateConfiguration(org.hibernate.cfg.Configuration cfg)

Supply hibernate configuration. Empty default implementation.

Parameters:

cfg - hibernate configuration