modelo.SolicitudesDAO.java Source code

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Here is the source code for modelo.SolicitudesDAO.java

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package modelo;

import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

/**
 *
 * @author jonathanjb
 */
public class SolicitudesDAO extends AbstractDAO {

    public SolicitudesDAO() {
        super();
    }

    /**
     * Insert a new Solicitud into the database.
     *
     * @param solicitud
     */
    public void save(Solicitudes solicitud) throws DataAccessLayerException {
        super.save(solicitud);
    }

    /**
     * Updates a new Solicitud into the database.
     *
     * @param solicitud
     */
    public void update(Solicitudes solicitud) throws DataAccessLayerException {
        super.update(solicitud);
    }

    /**
     * Delete a detached Solicitud from the database.
     *
     * @param solicitud
     */
    public void delete(Solicitudes solicitud) throws DataAccessLayerException {
        super.delete(solicitud);
    }

    /**
     * Find an Event by its primary key.
     *
     * @param id
     * @return
     */
    public Solicitudes find(Long id) throws DataAccessLayerException {
        return (Solicitudes) super.find(Solicitudes.class, id);
    }

    /**
     * Lista todos los solicituds de la base de datos
     *
     * @return
     */
    public List findAll() throws DataAccessLayerException {
        return super.findAll(Solicitudes.class);
    }

    /**
     * Lista todos los solicituds de la base de datos
     *
     * @return
     */
    public int maxIndice() {
        return super.maxIndice("solicitudes", "idsolicitudes");
    }

    public List<Solicitudes> pendientesUsuario(int id) {
        SessionFactory factory;
        List<Solicitudes> misprestamos = null;
        try {
            factory = new Configuration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            System.err.println("Failed to create sessionFactory object." + ex);
            throw new ExceptionInInitializerError(ex);
        }
        Session session = factory.openSession();
        Transaction tx = null;
        try {
            tx = session.beginTransaction();
            String sql = "SELECT * FROM solicitudes WHERE aceptado = FALSE AND libroidlibro IN (SELECT idlibro FROM libro WHERE usridusuario = "
                    + id + ")";
            SQLQuery query = session.createSQLQuery(sql);
            query.addEntity(Solicitudes.class);
            misprestamos = query.list();
            tx.commit();
            return misprestamos;
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            return null;
        } finally {
            session.close();
        }
    }

    public List pendientesLibro(int idLibro) {
        List<Solicitudes> objects = null;
        try {
            startOperation();
            Query query = session.createQuery("FROM Solicitudes WHERE libroidlibro = " + idLibro);
            objects = query.list();
            tx.commit();
        } catch (HibernateException e) {
            handleException(e);
        } finally {
            HibernateFactory.close(session);
        }
        return objects;
    }

    public Solicitudes solicitudUsuarioLibro(int idUsuario, int idLibro) {
        Solicitudes s = null;
        try {
            startOperation();
            Query query = session.createQuery(
                    "FROM Solicitudes  WHERE libroidlibro = " + idLibro + " AND usridusuario = " + idUsuario);
            s = (Solicitudes) query.uniqueResult();
            tx.commit();
        } catch (HibernateException e) {
            handleException(e);
        } finally {
            HibernateFactory.close(session);
        }
        return s;
    }

    public List<Solicitudes> aceptadas(int idusuario) {
        SessionFactory factory;
        List<Solicitudes> solicitudes = null;
        try {
            factory = new Configuration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            System.err.println("Failed to create sessionFactory object." + ex);
            throw new ExceptionInInitializerError(ex);
        }
        Session session = factory.openSession();
        Transaction tx = null;
        try {
            tx = session.beginTransaction();
            String sql = "SELECT * FROM solicitudes WHERE aceptado = TRUE AND libroidlibro IN (SELECT idlibro FROM libro WHERE usridusuario = "
                    + idusuario + ")";
            SQLQuery query = session.createSQLQuery(sql);
            query.addEntity(Solicitudes.class);
            solicitudes = query.list();
            tx.commit();
            return solicitudes;
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            return null;
        } finally {
            session.close();
        }
    }

    public List<Solicitudes> librosPorCalificar(int id) {
        SessionFactory factory;
        List<Solicitudes> misprestamos = null;
        try {
            factory = new Configuration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            System.err.println("Failed to create sessionFactory object." + ex);
            throw new ExceptionInInitializerError(ex);
        }
        Session session = factory.openSession();
        Transaction tx = null;
        try {
            tx = session.beginTransaction();
            String sql = "SELECT * FROM solicitudes WHERE aceptado = TRUE AND califlibro = FALSE AND usridusuario = "
                    + id;
            SQLQuery query = session.createSQLQuery(sql);
            query.addEntity(Solicitudes.class);
            misprestamos = query.list();
            tx.commit();
            return misprestamos;
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            return null;
        } finally {
            session.close();
        }
    }

}