Dao.MovieGenreDAO.java Source code

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Here is the source code for Dao.MovieGenreDAO.java

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package Dao;

import Model.Genre;
import Model.Movie;
import java.util.List;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;

import Model.MovieGenre;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author charles
 */
@Repository
public class MovieGenreDAO {

    private static final Logger logger = LoggerFactory.getLogger(MovieGenreDAO.class);

    private SessionFactory sessionFactory;

    public void setSessionFactory(SessionFactory sf) {
        this.sessionFactory = sf;
    }

    public void addMovieGenre(MovieGenre u) {
        Session session = this.sessionFactory.getCurrentSession();
        session.persist(u);
        logger.info("MovieGenre saved successfully, MovieGenre Details=" + u);
    }

    public void updateMovieGenre(MovieGenre u) {
        Session session = this.sessionFactory.getCurrentSession();
        session.update(u);
        logger.info("MovieGenre updated successfully, MovieGenre Details=" + u);
    }

    @SuppressWarnings("unchecked")
    public List<MovieGenre> listMovieGenres() {
        Session session = this.sessionFactory.getCurrentSession();
        List<MovieGenre> movieGenresList = session.createQuery("from MovieGenre").list();
        for (MovieGenre u : movieGenresList) {
            logger.info("MovieGenre List::" + u);
        }
        return movieGenresList;
    }

    public MovieGenre getMovieGenreById(int id) {
        Session session = this.sessionFactory.getCurrentSession();
        MovieGenre u = (MovieGenre) session.load(MovieGenre.class, new Integer(id));
        logger.info("MovieGenre loaded successfully, MovieGenre details=" + u);
        return u;
    }

    public List<MovieGenre> getMovieGenresByMovie(Movie movie) {
        Session session = this.sessionFactory.getCurrentSession();
        List movieGenres = session.createCriteria(MovieGenre.class).add(Restrictions.eq("movie", movie)).list();
        if (movieGenres.isEmpty()) {
            return null;
        }
        logger.info("MovieGenre loaded successfully, MovieGenre details=" + movieGenres);
        return movieGenres;
    }

    public List<MovieGenre> getMovieGenresByGenre(Genre genre) {
        Session session = this.sessionFactory.getCurrentSession();
        List movieGenres = session.createCriteria(MovieGenre.class).add(Restrictions.eq("genre", genre)).list();
        if (movieGenres.isEmpty()) {
            return null;
        }
        logger.info("MovieGenre loaded successfully, MovieGenre details=" + movieGenres);
        return movieGenres;
    }

    public MovieGenre getMovieGenresByGenreAndMovie(Genre genre, Movie movie) {
        Session session = this.sessionFactory.getCurrentSession();
        List movieGenres = session.createCriteria(MovieGenre.class).add(Restrictions.eq("genre", genre))
                .add(Restrictions.eq("movie", movie)).list();
        if (movieGenres.isEmpty()) {
            return null;
        }
        logger.info("MovieGenre loaded successfully, MovieGenre details=" + movieGenres);
        return (MovieGenre) movieGenres.get(0);
    }

    public void removeMovieGenre(int id) {
        Session session = this.sessionFactory.getCurrentSession();
        MovieGenre u = (MovieGenre) session.load(MovieGenre.class, new Integer(id));
        if (null != u) {
            session.delete(u);
        }
        logger.info("MovieGenre deleted successfully, person details=" + u);
    }

}