AbstractGraphBuilder.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 AbstractGraphBuilder.h
 
  \brief This abstract class provides the common functions for graph
    builder classes. Each builder strategy has to implement only
    a public function called build.
 
*/
 
#ifndef __TERRALIB_GRAPH_INTERNAL_ABSTRACTGRAPHBUILDER_H
#define __TERRALIB_GRAPH_INTERNAL_ABSTRACTGRAPHBUILDER_H
 
// Terralib Includes
#include "../Config.h"
 
// STL Includes
#include <string>
#include <vector>
 
// BOOST Includes
#include <boost/shared_ptr.hpp>
 
namespace te
{
  namespace graph
  {
  
  class AbstractGraph;
    /*!
      \class AbstractGraphBuilder
 
      \brief This abstract class provides the common functions for graph
             builder classes. Each builder strategy has to implement only
             a public function called build.
 
    */
 
    class TEGRAPHEXPORT AbstractGraphBuilder
    {
      public:
 
        /*! \brief Default constructor. */
        AbstractGraphBuilder();
 
        /*! \brief Virtual destructor. */
        virtual ~AbstractGraphBuilder();
 
        /** @name Abstract Methods
        *  Method common to each graph builder
        */
        //@{
 
        /*! \brief Get error message. */
        std::string getErrorMessage();
       
        /*! \brief Get generated graph. */
        boost::shared_ptr<AbstractGraph> getGraph();
 
        //@}
 
      protected:
 
        boost::shared_ptr<AbstractGraph> m_graph;   //!< Graph object
 
        std::string m_errorMessage;                 //!< Error message
    };
 
  } // end namespace graph
} // end namespace te
 
#endif // __TERRALIB_GRAPH_INTERNAL_ABSTRACTGRAPHBUILDER_H