net.sf.autodao

Interface Dao<E extends PersistentEntity<K>,K extends Serializable>

Type Parameters:

E - entity type.

K - primary key.

public interface Dao<E extends PersistentEntity<K>,K extends Serializable>

Typesafe CRUD interface.

In order to use AutoDAO CRUD operations just inherit your DAO interface from this one.

See CRUD operations for usage.

Since:

AutoDAO 0.1

Method Summary

Modifier and Type	Method and Description
void	create(E o) Persist the new instance object into database.
void	delete(E o) Remove an object from persistent storage in the database.
E	get(K id) Retrieve an object that was previously persisted to the database using the indicated id as primary key.
E	merge(E o) Merge object with persistent object.
void	refresh(E o) Refresh the state of the instance from the database, overwriting changes made to the entity, if any.
void	saveOrUpdate(E o) Save or update object.
void	update(E o) Update the given object.

Method Detail

create

void create(@NotNull
            E o)
     throws org.springframework.dao.DataAccessException

Persist the new instance object into database. [create]

Parameters:

o - transient object.

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.persist(Object)

get

@Nullable
E get(@NotNull
                K id)
         throws org.springframework.dao.DataAccessException

Retrieve an object that was previously persisted to the database using the indicated id as primary key. [read]

Parameters:

id - primary key

Returns:

instance of object or null if object is not found.

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.get(Class, java.io.Serializable)

update

void update(@NotNull
            E o)
     throws org.springframework.dao.DataAccessException

Update the given object. [update]

Parameters:

o - instance of object to update.

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.update(Object)

delete

void delete(@NotNull
            E o)
     throws org.springframework.dao.DataAccessException

Remove an object from persistent storage in the database. [delete]

Parameters:

o - object.

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.delete(Object)

saveOrUpdate

void saveOrUpdate(@NotNull
                  E o)
           throws org.springframework.dao.DataAccessException

Save or update object.

Parameters:

o - object.

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.saveOrUpdate(Object)

merge

@NotNull
E merge(@NotNull
                 E o)
          throws org.springframework.dao.DataAccessException

Merge object with persistent object.

Parameters:

o - object to merge.

Returns:

merged object

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.merge(Object)

refresh

void refresh(@NotNull
             E o)
      throws org.springframework.dao.DataAccessException

Refresh the state of the instance from the database, overwriting changes made to the entity, if any.

Parameters:

o - object.

Throws:

org.springframework.dao.DataAccessException

See Also:

Session.refresh(Object)