com.subshell.persistence.hibernate
Class HibernateTransaction

java.lang.Object
  com.subshell.persistence.hibernate.HibernateTransaction

All Implemented Interfaces:

Transaction

public class HibernateTransaction
extends Object
implements Transaction

Transaction implementation using Hibernate.

Method Summary

void	commit() Commits this Transaction.
<T> Serializable	create(T o) Creates an object in the database.
<T> void	delete(T o) Deletes a persistent object from the database.
org.hibernate.Session	getSession() Returns this HibernateTransaction's internal Session.
boolean	isCommitted() Returns whether this Transaction has been committed/rolled back.
<T> boolean	isPersistent(T o) Returns whether an object is persistent.
<T> T	load(Class<T> clazz, Serializable id) Loads an object from the database.
void	rollback() Rolls back this Transaction.

Methods inherited from class java.lang.Object

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

Method Detail

load

public <T> T load(Class<T> clazz,
                  Serializable id)
       throws PersistenceException

Description copied from interface: Transaction

Loads an object from the database.

Specified by:

load in interface Transaction

Parameters:

clazz - the object's class

id - the object's ID

Throws:

PersistenceException - when loading the object fails

create

public <T> Serializable create(T o)
                    throws PersistenceException

Description copied from interface: Transaction

Creates an object in the database.

Specified by:

create in interface Transaction

Parameters:

o - the object to create

Returns:

the identifier that has been assigned to the created object

Throws:

PersistenceException - when creating the object fails

delete

public <T> void delete(T o)
            throws PersistenceException

Description copied from interface: Transaction

Deletes a persistent object from the database.

Specified by:

delete in interface Transaction

Parameters:

o - the object to delete

Throws:

PersistenceException - when deleting the object fails

isPersistent

public <T> boolean isPersistent(T o)
                     throws PersistenceException

Description copied from interface: Transaction

Returns whether an object is persistent.

Specified by:

isPersistent in interface Transaction

Throws:

PersistenceException - when there is a persistence-related error

commit

public void commit()
            throws PersistenceException

Description copied from interface: Transaction

Commits this Transaction. The Transaction cannot be reused once it has been committed.

Specified by:

commit in interface Transaction

Throws:

PersistenceException - when committing this Transaction fails

rollback

public void rollback()
              throws PersistenceException

Description copied from interface: Transaction

Rolls back this Transaction. The Transaction cannot be reused once it has been rolled back.

Specified by:

rollback in interface Transaction

Throws:

PersistenceException - when rolling back this Transaction fails

isCommitted

public boolean isCommitted()

Description copied from interface: Transaction

Returns whether this Transaction has been committed/rolled back.

Specified by:

isCommitted in interface Transaction

getSession

public org.hibernate.Session getSession()
                                 throws org.hibernate.HibernateException,
                                        PersistenceException

Returns this HibernateTransaction's internal Session. This method should be used by persistence mappers only.

Throws:

org.hibernate.HibernateException

PersistenceException