Transaction in EJB : Open EJB « EJB3 « Java

Transaction in EJB

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 * this work for additional information regarding copyright ownership.
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 * (the "License"); you may not use this file except in compliance with
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package org.superbiz.injection.tx;

import javax.ejb.Stateful;
import javax.ejb.TransactionAttribute;
import static javax.ejb.TransactionAttributeType.MANDATORY;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import javax.persistence.Query;
import java.util.List;

@Stateful(name = "Movies")
public class MoviesImpl implements Movies {

    @PersistenceContext(unitName = "movie-unit", type = PersistenceContextType.TRANSACTION)
    private EntityManager entityManager;

    public void addMovie(Movie movie) throws Exception {

    public void deleteMovie(Movie movie) throws Exception {

    public List<Movie> getMovies() throws Exception {
        Query query = entityManager.createQuery("SELECT m from Movie as m");
        return query.getResultList();

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