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 13:50:49 -0300 (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

Methods

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