app.datos.servicios.implementacion.VendedorServiceImpl.java Source code

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Here is the source code for app.datos.servicios.implementacion.VendedorServiceImpl.java

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/**
 * Copyright (C) 2016 Fernando Berti - Daniel Campodonico - Emiliano Gioria - Lucas Moretti - Esteban Rebechi - Andres Leonel Rico
 * This file is part of Olimpo.
 *
 * Olimpo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Olimpo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Olimpo. If not, see <http://www.gnu.org/licenses/>.
 */
package app.datos.servicios.implementacion;

import java.util.ArrayList;

import javax.persistence.NoResultException;
import javax.persistence.NonUniqueResultException;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import app.datos.clases.FiltroVendedor;
import app.datos.entidades.Vendedor;
import app.datos.servicios.VendedorService;
import app.excepciones.ConsultaException;
import app.excepciones.PersistenciaException;
import app.excepciones.SaveUpdateException;

/**
 * Permite persistir y obtener un vendedor, y listar vendedores
 * Task card 6 de la iteracin 1, historia de usuario 1
 *
 */
@Repository
public class VendedorServiceImpl implements VendedorService {

    private SessionFactory sessionFactory;

    @Autowired
    public VendedorServiceImpl(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    @Override
    @Transactional(rollbackFor = PersistenciaException.class) //si falla hace rollback de la transaccin
    public void guardarVendedor(Vendedor vendedor) throws PersistenciaException {
        Session session = getSessionFactory().getCurrentSession();
        try {
            session.save(vendedor);
        } catch (Exception e) {
            throw new SaveUpdateException(e);
        }

    }

    @Override
    @Transactional(rollbackFor = PersistenciaException.class) //si falla hace rollback de la transaccin
    public void modificarVendedor(Vendedor vendedor) throws PersistenciaException {
        Session session = getSessionFactory().getCurrentSession();
        try {
            session.update(vendedor);
        } catch (Exception e) {
            throw new SaveUpdateException(e);
        }
    }

    @Override
    @Transactional(readOnly = true, rollbackFor = PersistenciaException.class)
    public Vendedor obtenerVendedor(FiltroVendedor filtro) throws PersistenciaException {
        Vendedor vendedor = null;
        Session session = getSessionFactory().getCurrentSession();
        try { //named query ubicada en entidad vendedor
            vendedor = (Vendedor) session.getNamedQuery("obtenerVendedor")
                    .setParameter("tipoDocumento", filtro.getTipoDocumento())
                    .setParameter("documento", filtro.getDocumento()).uniqueResult();
        } catch (NoResultException e) {
            return null;
        } catch (NonUniqueResultException e) {
            return null;
        } catch (Exception e) {
            throw new ConsultaException(e);
        }
        return vendedor;
    }

    @Override
    @Transactional(readOnly = true, rollbackFor = PersistenciaException.class)
    public ArrayList<Vendedor> listarVendedores() throws PersistenciaException {
        ArrayList<Vendedor> vendedores = new ArrayList<>();
        Session session = getSessionFactory().getCurrentSession();
        try { //named query ubicada en entidad vendedor
            for (Object o : session.getNamedQuery("listarVendedores").list()) {
                if (o instanceof Vendedor) {
                    vendedores.add((Vendedor) o);
                }
            }
        } catch (Exception e) {
            throw new ConsultaException(e);
        }
        return vendedores;
    }

}