br.com.sicva.dao.UsuariosDao.java Source code

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Here is the source code for br.com.sicva.dao.UsuariosDao.java

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/*
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package br.com.sicva.dao;

import br.com.sicva.connection.HibernateUtil;
import br.com.sicva.model.Usuarios;
import java.util.ArrayList;
import java.util.List;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import org.hibernate.Hibernate;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

/**
 *
 * @author Rodrigo
 */
public class UsuariosDao {

    private Session session;
    private Transaction tx;
    List<Usuarios> listarUsuarios = new ArrayList<>();

    public boolean salvarUsuarios(Usuarios usuario) {
        try {
            session = HibernateUtil.getSessionFactory().openSession();
            tx = session.beginTransaction();
            session.save(usuario);
            tx.commit();
            session.close();
            return true;
        } catch (Exception e) {
            System.out.println("Erro no Banco!!!" + e.getMessage());
            tx.rollback();

            return false;
        }
    }

    public boolean alterarUsuarios(Usuarios usuario) {
        try {
            session = HibernateUtil.getSessionFactory().openSession();
            tx = session.beginTransaction();
            session.update(usuario);
            tx.commit();
            session.close();
            return true;
        } catch (Exception e) {
            System.out.println("Erro no Banco!" + e.getMessage());
            tx.rollback();
            FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_WARN,
                    "Ocorreu um erro", "infelizmente o usuario no pode ser salvo."));
            return false;
        }
    }

    public List<Usuarios> listarUsuarios() {
        session = new HibernateUtil().getSessionFactory().openSession();
        listarUsuarios = session.createCriteria(Usuarios.class).list();
        session.close();
        return listarUsuarios;
    }

    public Usuarios PesquisarUsuario(String cpf) {
        try {
            session = new HibernateUtil().getSessionFactory().openSession();
            Query query = session.createSQLQuery("select * from usuarios where USUARIOS_CPF = :cpf")
                    .addEntity(Usuarios.class);
            query.setString("cpf", cpf);
            listarUsuarios = query.list();
            for (Usuarios u : listarUsuarios) {
                Hibernate.initialize(u.getFuncao());
            }
            session.close();
            if (listarUsuarios.isEmpty()) {
                return null;
            } else {
                return listarUsuarios.get(0);
            }
        } catch (Exception e) {
            System.out.println("" + e.getCause().getMessage());
            return null;
        }

    }

}