lumis.portal.dao.hibernate

Class GenericHibernateDao<T,ID extends Serializable>

java.lang.Object

lumis.portal.dao.hibernate.GenericHibernateDao<T,ID>

public abstract class GenericHibernateDao<T,ID extends Serializable>
extends Object

Implements the generic CRUD data access operations using Hibernate APIs.

Since:

4.0.11

Version:

$Revision: 7370 $ $Date: 2007-06-12 16:50:49 +0000 (Tue, 12 Jun 2007) $

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GenericHibernateDao(Class<T> persistentClass) Create a new DAO instance for beans of the specified class.

Method Summary

Modifier and Type	Method and Description
void	delete(T bean, ITransaction transaction) Deletes the given bean from persistence.
protected List<T>	findByCriteria(ITransaction transaction, org.hibernate.criterion.Criterion... criterions) Utility find method for subclasses.
protected List<T>	findByCriteria(ITransaction transaction, org.hibernate.criterion.Criterion[] criterions, org.hibernate.criterion.Order[] orders) Utility find method for subclasses.
T	get(ID id, ITransaction transaction) Returns the bean with the given id.
protected Class<T>	getPersistentClass() Returns the class whose persistence this DAO controls.
protected org.hibernate.Session	getSession(ITransaction transaction) Returns the hibernate session associated with the given transaction.
void	persist(T bean, ITransaction transaction) Persists a transient bean, making it persistent.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericHibernateDao

protected GenericHibernateDao(Class<T> persistentClass)

Create a new DAO instance for beans of the specified class.

Parameters:

persistentClass - the hibernate entity class.

Since:

4.0.11

Method Detail

getPersistentClass

protected Class<T> getPersistentClass()

Returns the class whose persistence this DAO controls.

Since:

4.0.11

getSession

protected org.hibernate.Session getSession(ITransaction transaction)
                                    throws PortalException

Returns the hibernate session associated with the given transaction.

Parameters:

transaction - the transaction.

Returns:

the session.

Throws:

PortalException

Since:

4.0.11

get

public T get(ID id,
             ITransaction transaction)
      throws PortalObjectNotFoundException,
             PortalException

Returns the bean with the given id.

Parameters:

id - the bean's id.

transaction - the transaction for persistence access.

Returns:

the bean.

Throws:

PortalObjectNotFoundException - if the corresponding bean does not exist in the persistence.

PortalException

Since:

4.0.11

persist

public void persist(T bean,
                    ITransaction transaction)
             throws PortalException

Persists a transient bean, making it persistent.

Parameters:

bean - the bean to be made persistent.

transaction - the transaction for persistence access.

Throws:

PortalException

Since:

4.0.11

delete

public void delete(T bean,
                   ITransaction transaction)
            throws PortalException

Deletes the given bean from persistence.

Parameters:

bean - the persistent bean.

transaction - the transaction for persistence access.

Throws:

PortalException

Since:

4.0.11

findByCriteria

protected List<T> findByCriteria(ITransaction transaction,
                                 org.hibernate.criterion.Criterion[] criterions,
                                 org.hibernate.criterion.Order[] orders)
                          throws DaoException

Utility find method for subclasses.

Parameters:

transaction - transaction for persistence access.

criterions - criterions used to find the result.

orders - specifies the order by which the results will be ordered.

Returns:

a list with the beans found.

Throws:

DaoException

Since:

4.0.11

findByCriteria

protected List<T> findByCriteria(ITransaction transaction,
                                 org.hibernate.criterion.Criterion... criterions)
                          throws DaoException

Utility find method for subclasses.

Parameters:

transaction - transaction for persistence access.

criterions - criterions used to find the result.

Returns:

a list with the beans found.

Throws:

DaoException

Since:

4.0.11