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ValidArgs.h

//
// ValidArgs.h
//
// $Id: //poco/1.4/Foundation/include/Poco/ValidArgs.h#1 $
//
// Library: Foundation
// Package: Cache
// Module:  ValidArgs
//
// Definition of the ValidArgs class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#ifndef Foundation_ValidArgs_INCLUDED
#define Foundation_ValidArgs_INCLUDED


#include "Poco/Foundation.h"


namespace Poco {


template <class TKey>
00050 class ValidArgs
{
public:
      ValidArgs(const TKey& key):
            _key(key), 
            _isValid(true)
      {
      }

      ValidArgs(const ValidArgs& args): 
            _key(args._key), 
            _isValid(args._isValid)
      {
      }

      ~ValidArgs()
      {
      }
      
      const TKey& key() const
      {
            return _key;
      }

      bool isValid() const
      {
            return _isValid;
      }

      void invalidate()
      {
            _isValid = false;
      }

protected:
      const TKey& _key;
      bool        _isValid;

private:
      ValidArgs& operator = (const ValidArgs& args);
};


} // namespace Poco


#endif // Foundation_ValidArgs_INCLUDED

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