Finalizable.h
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00001 // this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*-
00002 
00003 // -- BEGIN LICENSE BLOCK ----------------------------------------------
00004 // This file is part of FZIs ic_workspace.
00005 //
00006 // This program is free software licensed under the LGPL
00007 // (GNU LESSER GENERAL PUBLIC LICENSE Version 3).
00008 // You can find a copy of this license in LICENSE folder in the top
00009 // directory of the source code.
00010 //
00011 // © Copyright 2014 FZI Forschungszentrum Informatik, Karlsruhe, Germany
00012 //
00013 // -- END LICENSE BLOCK ------------------------------------------------
00014 
00015 //----------------------------------------------------------------------
00022 //----------------------------------------------------------------------
00023 #ifndef ICL_CORE_FINALIZABLE_H_INCLUDED
00024 #define ICL_CORE_FINALIZABLE_H_INCLUDED
00025 
00026 #include <iostream>
00027 #include <stdexcept>
00028 
00029 namespace icl_core {
00030 
00041 template <typename T>
00042 class Finalizable
00043 {
00044 public:
00045   Finalizable(const T& value)
00046     : m_value(value),
00047       m_final(false)
00048   { }
00049 
00053   Finalizable(const Finalizable& other)
00054     : m_value(other.m_value),
00055       m_final(other.m_final)
00056   { }
00057 
00059   Finalizable& operator = (const Finalizable& other)
00060   {
00061     if (!m_final)
00062     {
00063       m_value = other.m_value;
00064       return *this;
00065     }
00066     else
00067     {
00068       throw std::logic_error("object is final");
00069     }
00070   }
00071 
00073   Finalizable& operator = (const T& value)
00074   {
00075     if (!m_final)
00076     {
00077       m_value = value;
00078       return *this;
00079     }
00080     else
00081     {
00082       throw std::logic_error("object is final");
00083     }
00084   }
00085 
00087   operator T () const { return m_value; }
00088 
00090   bool isFinal() const { return m_final; }
00091 
00093   void finalize() { m_final = true; }
00094 
00096   std::ostream& operator << (std::ostream& os)
00097   {
00098     return os << m_value;
00099   }
00100 
00101 private:
00105   T m_value;
00107   bool m_final;
00108 };
00109 
00110 }
00111 
00112 #endif


schunk_svh_driver
Author(s): Georg Heppner
autogenerated on Fri Aug 28 2015 12:59:18