org.j2ee.dao
Class DAOHibernateActionProcessorImpl

java.lang.Object
  |
  +--org.j2ee.dao.DAOHibernateActionProcessorImpl

All Implemented Interfaces:

DAOActionProcessor

public class DAOHibernateActionProcessorImpl

extends java.lang.Object

implements DAOActionProcessor

Based on an example of book Code Notes for J2EE, Edited by GREGORY BRILL, e-ISBN 0-679-64727-9
Last modified $Date: 2004/05/18 10:50:12 $

Version:

$Revision: 1.1.1.1 $

Author:

mochoa (mochoa@users.sourceforge.net)

Constructor Summary

DAOHibernateActionProcessorImpl()

Method Summary

void	addClass(java.lang.Class clazz) A wrapped method for Hibernate addClass(Class persistenClass) but without throwing the MappingException.
void	beginTransaction() Start a new Hibernate transaction.
void	closeSession() close a started session
void	commitTransaction() commit a started transaction.
static net.sf.hibernate.cfg.Configuration	getConfiguration()
java.sql.Connection	getConnection() Provides the JDBC connection object stored into the private instance
org.j2ee.dao.errors.ErrorMapper	getErrorMapper() Return an ErrorMapper object to translate SQLException or other kind of exception to a common error list code
void	getSession() get/start an Hibernate Session object to be used for external controled action.
static net.sf.hibernate.SessionFactory	getSessionFactory()
void	process(org.j2ee.dao.DAOAction acmd) execute a command action.
void	rollbackTransaction() rollback a started transaction.
void	setConnection(java.sql.Connection connection) Provide an external JDBC Connection to be used by Hibernate

Methods inherited from class java.lang.Object

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

Constructor Detail

DAOHibernateActionProcessorImpl

public DAOHibernateActionProcessorImpl()

Method Detail

getConfiguration

public static net.sf.hibernate.cfg.Configuration getConfiguration()
                                                           throws net.sf.hibernate.HibernateException

net.sf.hibernate.HibernateException

getSessionFactory

public static net.sf.hibernate.SessionFactory getSessionFactory()
                                                         throws net.sf.hibernate.HibernateException

net.sf.hibernate.HibernateException

addClass

public void addClass(java.lang.Class clazz)

A wrapped method for Hibernate addClass(Class persistenClass) but without throwing the MappingException.

Parameters:

clazz -

getErrorMapper

public org.j2ee.dao.errors.ErrorMapper getErrorMapper()

Return an ErrorMapper object to translate SQLException or other kind of exception to a common error list code

Specified by:

getErrorMapper in interface DAOActionProcessor

Returns:

ErrorMapper

getConnection

public java.sql.Connection getConnection()

Provides the JDBC connection object stored into the private instance

Specified by:

getConnection in interface DAOActionProcessor

Returns:

a JDBC connection

setConnection

public void setConnection(java.sql.Connection connection)

Provide an external JDBC Connection to be used by Hibernate

Specified by:

setConnection in interface DAOActionProcessor

Parameters:

connection -

getSession

public void getSession()
                throws DAOException

get/start an Hibernate Session object to be used for external controled action.

Specified by:

getSession in interface DAOActionProcessor

Throws:

net.sf.hibernate.HibernateException - if there are errors open the session

DAOException - if there are errors open the session

beginTransaction

public void beginTransaction()
                      throws DAOException

Start a new Hibernate transaction. This method is usefull when you need to manage Macro Actions. The first action takes the session and the transaction a pass it to the others. For example.

Specified by:

beginTransaction in interface DAOActionProcessor

Throws:

net.sf.hibernate.HibernateException

DAOException

commitTransaction

public void commitTransaction()
                       throws DAOException

commit a started transaction.

Specified by:

commitTransaction in interface DAOActionProcessor

Throws:

net.sf.hibernate.HibernateException

DAOException

rollbackTransaction

public void rollbackTransaction()
                         throws DAOException

rollback a started transaction.

Specified by:

rollbackTransaction in interface DAOActionProcessor

Throws:

net.sf.hibernate.HibernateException

DAOException

closeSession

public void closeSession()
                  throws DAOException

close a started session

Specified by:

closeSession in interface DAOActionProcessor

Throws:

net.sf.hibernate.HibernateException

DAOException

process

public void process(org.j2ee.dao.DAOAction acmd)
             throws DAOException

execute a command action. If the session/transaction is already started use them. if not, open a session/transaction and close them immediatelly.

Specified by:

process in interface DAOActionProcessor

Parameters:

acmd -

Throws:

DAOException