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Mediator.hpp

00001 #if !defined(__MEDIATOR_HPP) 00002 #define __MEDIATOR 00003 00004 /* 00005 CoreLinux++ 00006 Copyright (C) 2000 CoreLinux Consortium 00007 00008 The CoreLinux++ Library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Library General Public License as 00010 published by the Free Software Foundation; either version 2 of the 00011 License, or (at your option) any later version. 00012 00013 The CoreLinux++ Library Library is distributed in the hope that it will 00014 be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Library General Public License for more details. 00017 00018 You should have received a copy of the GNU Library General Public 00019 License along with the GNU C Library; see the file COPYING.LIB. If not, 00020 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00021 Boston, MA 02111-1307, USA. 00022 */ 00023 00024 #if !defined(__COMMON_HPP) 00025 #include <Common.hpp> 00026 #endif 00027 00028 #if !defined(__ITERATOR_HPP) 00029 #include <Iterator.hpp> 00030 #endif 00031 00032 #if !defined(__EVENT_HPP) 00033 #include <Event.hpp> 00034 #endif 00035 00036 namespace corelinux 00037 { 00038 DECLARE_CLASS( Colleague ); 00039 DECLARE_CLASS( Mediator ); 00040 00045 class Mediator 00046 { 00047 public: 00048 00049 // 00050 // Constructors and destructor 00051 // 00052 00054 00055 Mediator( void ); 00056 00058 00059 Mediator( MediatorCref ); 00060 00062 00063 virtual ~Mediator( void ); 00064 00065 // 00066 // Operator overloads 00067 // 00068 00070 00071 MediatorRef operator=( MediatorCref ); 00072 00074 00075 bool operator==( MediatorCref ) const; 00076 00077 // 00078 // The working part 00079 // 00080 00081 virtual void action( Event<Identifier>* ) 00082 throw ( NullPointerException ); 00083 00084 protected: 00085 00086 // 00087 // Mutators 00088 // 00089 00097 virtual void colleagueCreated( ColleaguePtr ) = 0; 00098 00099 // 00100 // Factory methods 00101 // 00102 00112 virtual Iterator<ColleaguePtr> *createIterator( Event<Identifier>* ) = 0; 00113 00119 virtual void destroyIterator( Iterator<ColleaguePtr> * ) = 0; 00120 00121 private: 00122 00123 }; 00124 } 00125 00126 #endif // if !defined(__MEDIATOR_HPP) 00127 00128 /* 00129 Common rcs information do not modify 00130 $Author: frankc $ 00131 $Revision: 1.1 $ 00132 $Date: 2000/05/07 03:41:47 $ 00133 $Locker: $ 00134 */ 00135

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