package com.devchronicles.dataaccessobject;
import java.util.List;
import javax.persistence.EntityManager;
public class MovieDAOImpl implements MovieDAO{
private EntityManager em;
public MovieDAOImpl(EntityManager em) {
this.em = em;
}
@Override
public void addMovie(Movie movie) {
em.persist(movie);
}
@Override
public Movie getMovie(int id) {
return getAllMovies().get(id);
}
@Override
public void deleteMovie(int id) {
em.remove(getMovie(id));
}
@Override
public void updateMovie(Movie movie) {
em.merge(movie);
}
@Override
public List<Movie> getAllMovies() {
return em.createQuery("SELECT m FROM Movie m", Movie.class)
.getResultList();
}
}