public boolean delete(int id) throws SQLException { Connection conn = ConnectionFactory.getInstance().makeConnection(); String sql = "DELETE FROM film WHERE film_id=?"; PreparedStatement ps = conn.prepareStatement(sql); ps.setInt(1, id); boolean flag = false; if (ps.executeUpdate() != 0) { flag = true; } return flag; }
public boolean save(Film film) throws SQLException { Connection conn = ConnectionFactory.getInstance().makeConnection(); String sql = "INSERT INTO film(title,description,language_id,last_update) VALUES(?,?,?,?)"; PreparedStatement ps = conn.prepareStatement(sql); ps.setString(1, film.getTitle()); ps.setString(2, film.getDescription()); ps.setInt(3, film.getLanguage_id()); ps.setTimestamp(4, new Timestamp(System.currentTimeMillis())); boolean flag = false; if (ps.executeUpdate() != 0) { flag = true; } return flag; }
public boolean update(Film film) throws SQLException { Connection conn = ConnectionFactory.getInstance().makeConnection(); String sql = "UPDATE film SET title=?,description=?,language_id=?,film_id=? WHERE film_id=?"; PreparedStatement ps = conn.prepareStatement(sql); ps.setString(1, film.getTitle()); ps.setString(2, film.getDescription()); ps.setInt(3, film.getLanguage_id()); ps.setInt(4, film.getFilm_id()); ps.setInt(5, film.getFilm_id()); boolean flag = false; if (ps.executeUpdate() != 0) { flag = true; } return flag; }
public Film queryById(int id) throws SQLException { Connection conn = ConnectionFactory.getInstance().makeConnection(); String sql = "SELECT film_id,title,description,name FROM language,film WHERE film.language_id=language.language_id AND film_id=?"; PreparedStatement ps = conn.prepareStatement(sql); ps.setInt(1, id); ResultSet rs = ps.executeQuery(); Film film = null; while (rs.next()) { film = new Film(); film.setFilm_id(rs.getInt(1)); film.setTitle(rs.getString(2)); film.setDescription(rs.getString(3)); film.setName(rs.getString(4)); } return film; }
public List<Film> getPageResult() throws SQLException { Connection conn = ConnectionFactory.getInstance().makeConnection(); String sql = "SELECT film_id,title,description,name FROM language,film WHERE film.language_id=language.language_id"; PreparedStatement ps = conn.prepareStatement(sql); ResultSet rs = ps.executeQuery(); List<Film> list = new ArrayList<Film>(); Film film = null; while (rs.next()) { film = new Film(); film.setFilm_id(rs.getInt(1)); film.setTitle(rs.getString(2)); film.setDescription(rs.getString(3)); film.setName(rs.getString(4)); list.add(film); } return list; }
public UserDaoJDBC() { connection = ConnectionFactory.getConnection(); preparedStatement = null; }