Dao.ReviewDAO.java Source code

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Here is the source code for Dao.ReviewDAO.java

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/*
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 */
package Dao;

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.Review;
import Model.User;
import org.hibernate.criterion.Restrictions;

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

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

    private SessionFactory sessionFactory;

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

    public void addReview(Review r) {
        Session session = this.sessionFactory.getCurrentSession();
        session.persist(r);
        logger.info("Review saved successfully, Review Details=" + r);
    }

    public void updateReview(Review r) {
        Session session = this.sessionFactory.getCurrentSession();
        session.update(r);
        logger.info("Review updated successfully, Review Details=" + r);
    }

    @SuppressWarnings("unchecked")
    public List<Review> listReviews() {
        Session session = this.sessionFactory.getCurrentSession();
        List<Review> reviewsList = session.createQuery("from Review").list();
        for (Review r : reviewsList) {
            logger.info("Review List::" + r);
        }
        return reviewsList;
    }

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

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

    public List<Review> getReviewsByUser(User user) {
        Session session = this.sessionFactory.getCurrentSession();
        List reviews = session.createCriteria(Review.class).add(Restrictions.eq("user", user)).list();
        if (reviews.isEmpty()) {
            return null;
        }
        logger.info("Reviews loaded successfully, Reviews details=" + reviews);
        return reviews;
    }

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

}