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 com.cristian.tareask.daoImpl; import java.util.List; import com.cristian.tareask.model.MessageReceptor; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.criterion.Projections; import org.hibernate.criterion.Restrictions; import org.springframework.stereotype.Repository; @Repository public class MessageReceptorDaoImpl implements com.cristian.tareask.dao.MessageReceptorDao { Session s; @Override public void add(MessageReceptor messageReceptor) { s = HibernateUtil.getSessionFactory().getCurrentSession(); try { s.beginTransaction(); s.save(messageReceptor); s.getTransaction().commit(); } catch (Exception e) { e.printStackTrace(); s.getTransaction().rollback(); } } @Override public void edit(MessageReceptor messageReceptor) { s = HibernateUtil.getSessionFactory().getCurrentSession(); s.update(messageReceptor); } @Override public void delete(int MessageReceptorId) { s = HibernateUtil.getSessionFactory().getCurrentSession(); s.delete(getMessageReceptor(MessageReceptorId)); } @Override public MessageReceptor getMessageReceptor(int MessageReceptorId) { s = HibernateUtil.getSessionFactory().getCurrentSession(); return (MessageReceptor) s.get(MessageReceptor.class, MessageReceptorId); } @Override public List getAllMessageReceptors() { s = HibernateUtil.getSessionFactory().openSession(); return s.createQuery("from MessageReceptor").list(); } @Override public MessageReceptor getMessageReceptorByName(String MessageReceptorName) { s = HibernateUtil.getSessionFactory().openSession(); return (MessageReceptor) s.createCriteria(MessageReceptor.class) .add(Restrictions.like("name", MessageReceptorName)).uniqueResult(); } @Override public List getLastMailByUserReceptor(Integer idUser) { s = HibernateUtil.getSessionFactory().openSession(); Criteria c = s.createCriteria(MessageReceptor.class, "receptor"); c.createAlias("receptor.message", "message"); c.createAlias("message.conversation", "conversation"); List mails = (List) c.list(); return mails; } @Override public List<MessageReceptor> getAllMessageReceptorsByConversation(Integer idConversation) { s = HibernateUtil.getSessionFactory().openSession(); s.beginTransaction(); Criteria c = s.createCriteria(MessageReceptor.class) .add(Restrictions.eq("emailConversation.id", idConversation)); return c.list(); } @Override public List<Integer> getAllMessageReceptorsByConversationUnique(Integer idConversation) { s = HibernateUtil.getSessionFactory().openSession(); s.beginTransaction(); Criteria c = s.createCriteria(MessageReceptor.class) .add(Restrictions.eq("emailConversation.id", idConversation)) .setProjection(Projections.distinct(Projections.property("user.id"))); return c.list(); } @Override public List<Integer> getAllMessageReceptorsByMessageUnique(Integer idMessage) { s = HibernateUtil.getSessionFactory().openSession(); s.beginTransaction(); Criteria c = s.createCriteria(MessageReceptor.class) .setProjection(Projections.distinct(Projections.property("user.id"))) .add(Restrictions.eq("emailMessage.id", idMessage)); return c.list(); } }