broadcast_listener.hh

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00001 /*
00002    The lestes compiler suite
00003    Copyright (C) 2002, 2003, 2004, 2005 Miroslav Tichy
00004    Copyright (C) 2002, 2003, 2004, 2005 Petr Zika
00005    Copyright (C) 2002, 2003, 2004, 2005 Vojtech Hala
00006    Copyright (C) 2002, 2003, 2004, 2005 Jiri Kosina
00007    Copyright (C) 2002, 2003, 2004, 2005 Pavel Sanda
00008    Copyright (C) 2002, 2003, 2004, 2005 Jan Zouhar
00009    Copyright (C) 2002, 2003, 2004, 2005 Rudolf Thomas
00010 
00011    This program is free software; you can redistribute it and/or modify
00012    it under the terms of the GNU General Public License as published by
00013    the Free Software Foundation; version 2 of the License.
00014 
00015    This program is distributed in the hope that it will be useful,
00016    but WITHOUT ANY WARRANTY; without even the implied warranty of
00017    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018    GNU General Public License for more details.
00019 
00020    See the full text of the GNU General Public License version 2, and
00021    the limitations in the file doc/LICENSE.
00022 
00023    By accepting the license the licensee waives any and all claims
00024    against the copyright holder(s) related in whole or in part to the
00025    work, its use, and/or the inability to use it.
00026  
00027  */
00028 #ifndef lestes__std___broadcast_listener_hh___included
00029 #define lestes__std___broadcast_listener_hh___included
00030 
00031 #include <lestes/common.hh>
00032 
00033 package(lestes);
00034 package(std);
00035 
00036 /*!
00037   \brief Base class for listeners of a broadcasting.
00038 
00039   This class serves as an abstract base for all classes
00040   that need to respond to a broadcast event.
00041 
00042   See class broadcaster for more information.
00043  */
00044 template <typename T> class broadcast_listener : public object {
00045 public:
00046         //! This method is invoked when an object is broadcasted.
00047         virtual void run(ptr < T > x) abstract;
00048 };
00049 
00050 
00051 end_package(std);
00052 end_package(lestes);
00053 
00054 #endif  // lestes__std___broadcast_listener_hh___included

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