mail_stop.h

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#ifndef MAIL_STOP_CLASS
#define MAIL_STOP_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : mail_stop                                                         *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 1998-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "post_office_dll.h"

#include <mechanisms/safe_callback.h>

// forward:
class letter;
class unique_int;


class POST_OFFICE_CLASS_STYLE mail_stop : public safe_callback
{
public:

  // it is required that the derived mail_stop invoke the end_availability()
  // method in its destructor before it destroys any other objects.

  class items_to_deliver : public callback_data_block {
  public:
    items_to_deliver(const unique_int &id, letter *package)
        : _id(id), _package(package) {}
    const unique_int &_id;
    letter *_package;
  };

protected:

  virtual void real_callback(callback_data_block &data);

  virtual void delivery_for_you(const unique_int &id, letter *package) = 0;

};

#endif

---