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Context.hpp

00001 #if !defined (__CONTEXT_HPP) 00002 #define __CONTEXT_HPP 00003 00004 /* 00005 CoreLinux++ 00006 Copyright (C) 1999,2000 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 <Context.hpp> 00026 #endif 00027 00028 00029 namespace corelinux 00030 { 00031 00032 DECLARE_CLASS( State ); 00033 DECLARE_CLASS( Context ); 00034 00040 class Context 00041 { 00042 public: 00043 00045 00046 Context( void ); 00047 00052 Context( ContextCref ); 00053 00055 00056 virtual ~Context( void ); 00057 00058 // 00059 // Operator overloads 00060 // 00067 ContextRef operator=( ContextCref ); 00068 00075 bool operator==( ContextCref ) const; 00076 00077 // 00078 // Mutators 00079 // 00080 00082 00083 virtual void request( void ) throw ( NullPointerException ); 00084 00086 00087 virtual void changeState( StatePtr ); 00088 00089 protected: 00090 00091 // 00092 // Accessors 00093 // 00095 00096 StatePtr getState( void ) const; 00097 00098 // 00099 // Mutators 00100 // 00101 00103 00104 void setState( StatePtr ); 00105 00106 private: 00107 00109 00110 StatePtr theState; 00111 00112 }; 00113 00114 } 00115 00116 #endif // if !defined(__CONTEXT_HPP) 00117 00118 /* 00119 Common rcs information do not modify 00120 $Author: frankc $ 00121 $Revision: 1.1 $ 00122 $Date: 2000/05/17 03:43:30 $ 00123 $Locker: $ 00124 */ 00125 00126

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