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.prototipo.dao; import br.com.prototipo.entity.Horario; import br.com.prototipo.util.HibernateUtil; import java.util.List; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.Transaction; import org.hibernate.criterion.Criterion; import org.hibernate.criterion.MatchMode; import org.hibernate.criterion.Order; import org.hibernate.criterion.ProjectionList; import org.hibernate.criterion.Projections; import org.hibernate.criterion.Restrictions; /** * * @author Mateus */ public class HorarioDao { private Session sessao = HibernateUtil.getSessionFactory().openSession(); private Transaction trans; private List<Horario> list; public List<Horario> getList(String h) { if (sessao.isConnected()) { sessao.close(); } sessao = HibernateUtil.getSessionFactory().openSession(); trans = sessao.beginTransaction(); Criteria cri = sessao.createCriteria(Horario.class); Criterion _nome = Restrictions.like("nomeDia", h, MatchMode.ANYWHERE); cri.add(_nome); this.list = cri.list(); return list; } public List<String> getListParaDisciplinas(String dia) { if (sessao.isConnected()) { sessao.close(); } sessao = HibernateUtil.getSessionFactory().openSession(); Criteria cri = sessao.createCriteria(Horario.class); Criterion _nome = Restrictions.like("nomeDia", dia, MatchMode.ANYWHERE); cri.add(_nome); ProjectionList projection = Projections.projectionList(); projection.add(Projections.property("aula")); cri.setProjection(projection); return cri.list(); } public Horario getHorarioEscolhido(String dia, String aula) { if (sessao.isConnected()) { sessao.close(); } sessao = HibernateUtil.getSessionFactory().openSession(); Criteria cri = sessao.createCriteria(Horario.class); Criterion _nome = Restrictions.like("nomeDia", dia, MatchMode.EXACT); cri.add(_nome); Criterion _aula = Restrictions.like("aula", aula, MatchMode.EXACT); cri.add(_aula); return (Horario) cri.uniqueResult(); } public void addHorario(Horario h) { try { if (sessao.isConnected()) { sessao.close(); } sessao = HibernateUtil.getSessionFactory().openSession(); trans = sessao.beginTransaction(); sessao.save(h); trans.commit(); } catch (Exception e) { e.printStackTrace(); sessao.close(); } } public void removeHorario(Horario h) { try { if (sessao.isConnected()) { sessao.close(); } sessao = HibernateUtil.getSessionFactory().openSession(); trans = sessao.beginTransaction(); sessao.delete(h); trans.commit(); } catch (Exception e) { e.printStackTrace(); } } public void updateHorario(Horario h) { try { if (sessao.isConnected()) { sessao.close(); } sessao = HibernateUtil.getSessionFactory().openSession(); trans = sessao.beginTransaction(); sessao.update(h); trans.commit(); } catch (Exception e) { e.printStackTrace(); } } }