@Override
public void delete(Entity obj) {
try {
this.session = HibernateUtil.openSession();
this.session.beginTransaction();
this.session.delete(obj);
this.session.getTransaction().commit();
} catch (Exception e) {
this.session.getTransaction().rollback();
} finally {
session.close();
}
}
@Override
@SuppressWarnings("unchecked")
public List<Entity> getAll() {
List<Entity> list = null;
try {
this.session = HibernateUtil.openSession();
this.session.beginTransaction();
list = this.session.createCriteria(entityClass).list();
this.session.getTransaction().commit();
} catch (HibernateException e) {
this.session.getTransaction().rollback();
} finally {
session.close();
}
return list;
}
@Override
public Long create(Entity obj) {
Long id = null;
try {
this.session = HibernateUtil.openSession();
this.session.beginTransaction();
id = (Long) this.session.save(obj);
this.session.getTransaction().commit();
} catch (Exception e) {
Logger.getLogger(EntityDao.class.getName()).log(Level.SEVERE, null, e);
this.session.getTransaction().rollback();
} finally {
session.close();
}
return id;
}
@Override
@SuppressWarnings("unchecked")
public Entity getById(Long entityId) {
Entity entity = null;
try {
this.session = HibernateUtil.openSession();
this.session.beginTransaction();
List<Entity> list = null;
list = this.session.createCriteria(entityClass).add(Restrictions.eq("id", entityId)).list();
if (list.size() > 0) {
entity = list.get(0);
}
this.session.getTransaction().commit();
} catch (HibernateException e) {
this.session.getTransaction().rollback();
} finally {
}
return entity;
}