00001 #if !defined (__TRANSPARENTCOMPONENT_HPP) 00002 #define __TRANSPARENTCOMPONENT_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 #if !defined(__COMPONENT_HPP) 00029 #include <Component.hpp> 00030 #endif 00031 00032 #if !defined(__ITERATOR_HPP) 00033 #include <Iterator.hpp> 00034 #endif 00035 00036 #if !defined(__INVALIDCOMPOSITEEXCEPTION_HPP) 00037 #include <InvalidCompositeException.hpp> 00038 #endif /* __INVALIDCOMPOSITEEXCEPTION_HPP */ 00039 00040 00041 namespace corelinux 00042 { 00043 DECLARE_CLASS(InvalidCompositeException); 00044 00051 template<class CompImpl> 00052 class TransparentComponent : public Component 00053 { 00054 public: 00055 00057 00058 TransparentComponent( void ) 00059 : 00060 Component() 00061 { 00062 ; // do nothing 00063 } 00064 00069 TransparentComponent 00070 ( 00071 const TransparentComponent & aRef 00072 ) 00073 : 00074 Component( aRef ) 00075 { 00076 ; // do nothing 00077 } 00078 00080 00081 virtual ~TransparentComponent( void ) 00082 { 00083 ; // do nothing 00084 } 00085 00086 // 00087 // Operator overloads 00088 // 00095 TransparentComponent & operator=( const TransparentComponent & ) 00096 { 00097 return (*this); 00098 } 00099 00106 bool operator== 00107 ( 00108 const TransparentComponent & aRef 00109 ) const 00110 { 00111 return (*this = aRef); 00112 } 00113 00120 bool operator!= 00121 ( 00122 const TransparentComponent & aRef 00123 ) const 00124 { 00125 return !(*this = aRef); 00126 } 00127 00128 // 00129 // Accessors 00130 // 00131 00132 // 00133 // Mutators 00134 // 00135 00145 virtual void addComponent( CompImpl ) 00146 throw(InvalidCompositeException) 00147 { 00148 throw InvalidCompositeException(LOCATION); 00149 } 00150 00160 virtual void removeComponent( CompImpl ) 00161 throw(InvalidCompositeException) 00162 { 00163 throw InvalidCompositeException(LOCATION); 00164 } 00165 00166 // 00167 // Factories 00168 // 00169 00180 virtual Iterator<CompImpl>* createIterator( void ) 00181 throw(InvalidCompositeException) 00182 { 00183 throw InvalidCompositeException(LOCATION); 00184 } 00185 00197 virtual void destroyIterator( Iterator<CompImpl> * ) 00198 throw(InvalidCompositeException) 00199 { 00200 throw InvalidCompositeException(LOCATION); 00201 } 00202 00203 }; 00204 00205 } 00206 00207 #endif // if !defined(__TRANSPARENTCOMPONENT_HPP) 00208 00209 /* 00210 Common rcs information do not modify 00211 $Author: prudhomm $ 00212 $Revision: 1.2 $ 00213 $Date: 2000/08/31 22:52:20 $ 00214 $Locker: $ 00215 */ 00216 00217 00218