Package info.ejava.examples.db.jpa.songs.dao

Class JpaSongDAO

java.lang.Object

info.ejava.examples.db.jpa.songs.dao.JpaSongDAO

@Component
@Transactional
public class JpaSongDAO
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final jakarta.persistence.EntityManager	em

Constructor Summary

Constructors

Constructor	Description
JpaSongDAO()

Method Summary

Modifier and Type	Method	Description
void	clear()
void	create(Song song)
void	delete(Song song)
void	deleteAll()
void	deleteById(int id)
boolean	existsById(int id)
Song	findById(int id)
void	flush()
Song	update(Song song)

Methods inherited from class java.lang.Object

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

Field Details

em

private final jakarta.persistence.EntityManager em

Constructor Details

JpaSongDAO

public JpaSongDAO()

Method Details

existsById

public boolean existsById(int id)

findById

public Song findById(int id)

create

public void create(Song song)

update

public Song update(Song song)

delete

public void delete(Song song)

deleteById

public void deleteById(int id)

deleteAll

public void deleteAll()

flush

public void flush()

clear

public void clear()