DataValue.hpp

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/*
Copyright 2007, 2008, 2009, 2010, 2011 Instituto de Sistemas e Robotica, Instituto Superior Tecnico

This file is part of MeRMaID.

MeRMaID is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

MeRMaID is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with MeRMaID.  If not, see <http://www.gnu.org/licenses/>.
*/



/**
 * @Filename DataValue.hpp
 * @Description DataValue class definition.
 * @Status Implementing
 * @Version $Id: DataValue.hpp 1 2011-03-04 18:13:18Z jreis $
 * @Maintainer Marco Barbosa + Nelson Ramos
 */


#ifndef __DATASTRUCTURE_DATAVALUE_H_
#define __DATASTRUCTURE_DATAVALUE_H_

#include "DataType.hpp"
#include <XmlConvertible.hpp>
#include <Stringable.hpp>
#include <Cloneable.hpp>


namespace mermaid
{
  namespace support
  {
    namespace data
    {
      using mermaid::support::syntacticsugar::Stringable;
      using mermaid::support::syntacticsugar::Cloneable;
      
      /**
      * @Class DataValue DataValue.hpp "DataValue.hpp"
      * @Description Class representing a Data value.
      * @Author Marco Barbosa + Nelson Ramos
      */
      
      class DataValue : public Stringable, Cloneable
      {
      
        public:
        
          virtual DataValue * clone() = 0;
          
          DataValue();
          
          DataValue (const DataValue &otherValue);
          
          DataValue& operator= (const DataValue &otherValue);
          
          /**
          * @Description Method to convert value to string
          */
          virtual operator std::string() const = 0;
          
          DataType getType();
          
          
        protected:
        
          DataType type_;
          
          void copyFrom (const DataValue &otherValue);
      }; // class DataValue
    } // namespace data
  } // namespace support
} // namespace mermaid

#endif // __DATASTRUCTURE_DATAVALUE_H_