Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package br.com.sescacre.dao; import br.com.sescacre.entidades.Alunos; import br.com.sescacre.util.HibernateUtil; import java.sql.SQLIntegrityConstraintViolationException; import java.util.List; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.Transaction; /** * * @author Rennan Francisco */ public class AlunosDAO { public void salvar(Alunos a) throws Exception { Session s = HibernateUtil.getSession(); try { Transaction t = s.beginTransaction(); s.save(a); t.commit(); } catch (Exception ex) { throw new SQLIntegrityConstraintViolationException(); } finally { s.close(); } } public void alterar(Alunos a) throws Exception { Session s = HibernateUtil.getSession(); try { Transaction t = s.beginTransaction(); s.update(a); t.commit(); } catch (Exception e) { throw new SQLIntegrityConstraintViolationException(); } finally { s.close(); } } public void excluir(Alunos a) { Session s = HibernateUtil.getSession(); Transaction t = s.beginTransaction(); s.delete(a); t.commit(); s.close(); } public List<Alunos> ListaTodos() { Session s = HibernateUtil.getSession(); Query q = s.createQuery("from Alunos"); List<Alunos> lista = q.list(); s.close(); return lista; } public Alunos pesquisaPorId(Integer id) { Session s = HibernateUtil.getSession(); Alunos a = (Alunos) s.load(Alunos.class, id); s.close(); return a; } public Alunos pesquisaAlunoPorCPF(String cpf) { Session s = HibernateUtil.getSession(); Query q = s.createQuery("from Alunos a where a.cpf = :cpf order by a.nome"); q.setParameter("cpf", cpf); Alunos a = (Alunos) q.uniqueResult(); s.close(); return a; } }