RhodeCode

    /// the container.

    ///

    /// It notifies all the registed observers about an item erased from

    /// the container.

    ///

    void erase(const Item& item) throw() {

      typename Observers::iterator it = _observers.begin();

      while (it != _observers.end()) {

        try {

          (*it)->erase(item);

          ++it;

        } catch (const ImmediateDetach&) {

          (*it)->_index = _observers.end();

          (*it)->_notifier = 0;

        }

      }

    }

    /// \brief Notifies all the registed observers about more item erased

    /// from the container.

    ///

    /// It notifies all the registed observers about more item erased from

    /// the container.

    ///

    void erase(const std::vector<Item>& items) {

      typename Observers::iterator it = _observers.begin();

      while (it != _observers.end()) {

        try {

          (*it)->erase(items);

          ++it;

        } catch (const ImmediateDetach&) {

          (*it)->_index = _observers.end();

          (*it)->_notifier = 0;

        }

      }

    }

    /// \brief Notifies all the registed observers about the container is

    /// built.

    ///

    /// Notifies all the registed observers about the container is built

    /// from an empty container.

    void build() {

      typename Observers::reverse_iterator it;

      try {

    /// \brief Notifies all the registed observers about all items are

    /// erased.

    ///

    /// Notifies all the registed observers about all items are erased

    /// from the container.

    void clear() {

      typename Observers::iterator it = _observers.begin();

      while (it != _observers.end()) {

        try {

          (*it)->clear();

          ++it;

        } catch (const ImmediateDetach&) {

          (*it)->_index = _observers.end();

          (*it)->_notifier = 0;

        }

      }

    }

  };

}

#endif