00001 #if !defined (__STATE_HPP)
00002 #define __STATE_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 <Common.hpp>
00026 #endif
00027
00028 namespace corelinux
00029 {
00030
00031 DECLARE_CLASS( Context );
00032 DECLARE_CLASS( State );
00033
00040 class State
00041 {
00042 public:
00044
00045 State( void );
00046
00048
00049 virtual ~State( void );
00050
00051 //
00052 // Operator overloads
00053 //
00060 bool operator==( StateCref ) const;
00061
00062 //
00063 // Mutators
00064 //
00066
00067 virtual void handle( void ) = 0;
00068
00069 protected:
00075 State( StateCref ) throw ( Assertion );
00076
00084 StateRef operator=( StateCref ) throw ( Assertion );
00085
00087
00088 void setCurrentState( ContextPtr, StatePtr )
00089 throw ( NullPointerException );
00090
00091 };
00092
00093 }
00094
00095 #endif // if !defined(__STATE_HPP)
00096
00097 /*
00098 Common rcs information do not modify
00099 $Author: frankc $
00100 $Revision: 1.1 $
00101 $Date: 2000/05/17 03:43:30 $
00102 $Locker: $
00103 */
00104
00105