ComplexData.h

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
 
    This file is part of the TerraLib - a Framework for building GIS enabled applications.
 
    TerraLib 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.
 
    TerraLib 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 TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */
 
/*!
  \file terralib/datatype/ComplexData.h
 
  \brief This file contains several implementations for complex data types.
*/
 
#ifndef __TERRALIB_VP_INTERNAL_COMPLEXDATA_H
#define __TERRALIB_VP_INTERNAL_COMPLEXDATA_H
 
// TerraLib
#include "../datatype/AbstractData.h"
#include "../datatype/Enums.h"
#include "Config.h"
 
namespace te
{
  namespace vp
  {
    /*!
      \class ComplexData
 
      \brief A template for complex data types.
 
      Requirements on type T:
      <ul>
      <li> T must be a copy constructible type.</li>
      </ul>
 
      \ingroup datatype
 
      \sa AbstractData, CompositeData, DataType, DateTime, ByteArray
    */
    template<class T> class ComplexData : public te::dt::AbstractData
    {
      public:
 
        /*!
          \brief Constructor.
 
          \param value The value associated.
        */
        ComplexData(T value)
          : m_val(value)
        {
        }
 
        /*!
          \brief Copy constructor.
 
          \param rhs The right-hand-side data.
        */
        ComplexData(const ComplexData& rhs)
          : m_val(rhs.m_val)
        {
        }
 
        /*! \brief Virtual destructor. */
        virtual ~ComplexData() { }
 
        /*!
          \brief Copy constructor.
 
          \param rhs The right-hand-side data.
        */
        ComplexData& operator=(const ComplexData& rhs)
        {
          if(this != &rhs)
          {
            m_val = rhs.m_val;
          }
 
          return *this;
        }
 
        /*!
          \brief It returns a clone of this object.
          
          \return A clone of this object.
        */
        ComplexData* clone() const
        {
          return new ComplexData(*this);
        }
 
        /*!
          \brief It returns the data type code associated to the data value.
 
          \return The data type code associated to the data value.
        */
        virtual int getTypeCode() const
        {
          return te::dt::UNKNOWN_TYPE;
        }
 
        /*!
          \brief It returns the data value in a string representation.
 
          \return The data value in a string representation.
        */
        virtual std::string toString() const
        {
          return "";
        }
 
        /*!
          \brief It returns the associated value.
 
          \return The associated value.
        */
        T getValue() const
        {
          return m_val;
        }
 
      private:
 
        T m_val; //!< The data value.
    };
 
  } // end namespace dt
}   // end namespace te
 
#endif  // __TERRALIB_VP_INTERNAL_COMPLEXDATA_H