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State.hpp

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

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