@Override
  public void update(int id, Feed feed) {
    try {
      Connection cn = null;
      try {
        JdbcConnection connection = JdbcConnection.getInstance();
        cn = connection.getConnection();
        PreparedStatement st = null;
        try {
          st =
              cn.prepareStatement("UPDATE feed SET (typeFeed = ?, valueFeed = ?) WHERE idFeed = ?");
          st.setString(1, feed.name());
          st.setString(2, feed.getValueFeed());
          st.setInt(3, id);
          st.executeUpdate();

        } finally {
          if (st != null) st.close();
          st = null;
        }
      } finally {
        if (cn != null) cn.close();
        cn = null;
      }
    } catch (SQLException e) {
      e.printStackTrace();
    }
  }
  @Override
  public void create(Feed feed) {
    try {
      Connection cn = null;
      try {
        cn = JdbcConnection.getInstance().getConnection();
        PreparedStatement st = null;
        try {
          st =
              cn.prepareStatement(
                  "INSERT INTO feed (typeFeed, valueFeed) values (?, ?)",
                  Statement.RETURN_GENERATED_KEYS);
          st.setString(1, feed.name());
          st.setString(2, feed.getValueFeed());
          st.executeUpdate();

        } finally {
          if (st != null) st.close();
          st = null;
        }
      } finally {
        if (cn != null) cn.close();
        cn = null;
      }
    } catch (SQLException e) {
      e.printStackTrace();
    }
  }