net.sf.derquinsej.hib3
Interface GeneralDAO

All Superinterfaces:

DAO

All Known Subinterfaces:

Repository

All Known Implementing Classes:

GeneralDAOImpl, RepositoryImpl

public interface GeneralDAO
extends DAO

General DAO interface.

Author:

Andres Rodriguez

Method Summary

void	delete(Object entity) Deletes an entity instance.
<T> void	deleteById(Class<T> type, Serializable id) Deletes an entity instance.
<T> List<T>	findAll(Class<T> type) Returns all entities of the persistent type.
<T> T	findById(Class<T> type, Serializable id, boolean lock) Finds an entity by ID.
void	save(Object entity) Saves an entity.
void	saveOrUpdate(Object entity) Saves or updates an entity, depending upon resolution of the unsaved-value checks.
void	update(Object entity) Updates an entity.

Methods inherited from interface net.sf.derquinsej.hib3.DAO

clear, flush, sync

Method Detail

findById

<T> T findById(Class<T> type,
               Serializable id,
               boolean lock)

Finds an entity by ID.

Parameters:

type - Entity type.

id - ID.

lock - If the entity shall be locked.

Returns:

The requested entity or null if it is not found.

findAll

<T> List<T> findAll(Class<T> type)

Returns all entities of the persistent type.

Parameters:

type - Entity type.

Returns:

A list with all the instances.

save

void save(Object entity)

Saves an entity.

Parameters:

entity - Entity to save.

update

void update(Object entity)

Updates an entity.

Parameters:

entity - Entity to update.

saveOrUpdate

void saveOrUpdate(Object entity)

Saves or updates an entity, depending upon resolution of the unsaved-value checks.

Parameters:

entity - Entity to persist.

delete

void delete(Object entity)

Deletes an entity instance.

Parameters:

entity - Instance to delete.

deleteById

<T> void deleteById(Class<T> type,
                    Serializable id)

Deletes an entity instance.

Parameters:

type - Entity type.

id - Id of the instance to delete.