br.edu.ifrs.restinga.modulorh.dao.SetorDAO.java Source code

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Here is the source code for br.edu.ifrs.restinga.modulorh.dao.SetorDAO.java

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package br.edu.ifrs.restinga.modulorh.dao;

import br.edu.ifrs.restinga.modulorh.modelo.Setor;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author denilson
 */
public class SetorDAO {

    private Session sessao;

    public SetorDAO() {

        /*Abre uma sessao com o banco */
        sessao = HibernateUtil.getSessionFactory().openSession();

    }

    public void cadastrar(Setor setor) {

        try {
            if (setor.getSetor().getId() == null) {
                setor.setSetor(null);
            }
            sessao.clear();
            Transaction t;
            t = sessao.beginTransaction();
            sessao.save(setor); // Hibernate realizar a operano de insert no banco 
            t.commit(); //gera comit no banco confirmando transao

        } catch (Exception e) {
            System.out.println("Erro no SetorDAO - SalvarSetor: " + e.getMessage());
        }
    }

    public void alterar(Setor setor) {

        try {
            if (setor.getSetor().getId() == null) {
                setor.setSetor(null);
            }
            sessao.clear();
            Transaction t;
            t = sessao.beginTransaction();
            sessao.saveOrUpdate(setor);
            t.commit();
        } catch (Exception e) {
            System.out.println("Erro no SetorDAO - alterarSetor: " + e.getMessage());

        }

    }

    public void excluir(Setor setor) {

        try {
            //sessao.clear();
            sessao.close();
            sessao = HibernateUtil.getSessionFactory().openSession();
            Transaction t;
            t = sessao.beginTransaction();
            sessao.createSQLQuery("update setor SET IdSetor = null where IdSetor =" + setor.getId())
                    .executeUpdate();
            sessao.delete(setor);
            t.commit();

        } catch (Exception e) {

        }
    }

    public List<Setor> listarNome(String nome) {
        sessao.clear();
        return sessao.createCriteria(Setor.class).add(Restrictions.like("nome", "%" + nome + "%"))
                .addOrder(Order.asc("nome")).list();

    }

    public List<Setor> listarSetor() {
        try {
            sessao.close();
            sessao = HibernateUtil.getSessionFactory().openSession();
            return sessao.createCriteria(Setor.class).list();
        } catch (Exception e) {
            return null;
        }

    }

    public Setor carregar(Integer id) {
        try {
            sessao.clear();
            return (Setor) sessao.get(Setor.class, id);
        } catch (Exception e) {
            return null;
        }
    }

}