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