public List<Movie> findAllMovies() {
ArrayList list = new ArrayList<Movie>();
Movie movie = new Movie();
movie.setName("Avatar");
movie.setDirector("J.Cameron");
list.add(movie);
Movie movie1 = new Movie();
movie1.setName("Titanic");
movie1.setDirector("J.Cameron");
list.add(movie1);
Movie movie2 = new Movie();
movie2.setName("The Terminator");
movie2.setDirector("J.Cameron");
list.add(movie2);
Movie movie3 = new Movie();
movie3.setName("Jurassic Park");
movie3.setDirector("S.Spielberg");
list.add(movie3);
return list;
}
public void updateMovie() {
Movie m = em.find(Movie.class, 3, LockModeType.PESSIMISTIC_WRITE);
em.lock(m, LockModeType.PESSIMISTIC_WRITE);
m.setName("INCEPTION");
em.merge(m);
em.flush();
}