LFUCachePolicyFactory.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 LFUCachePolicyFactory.h
 
  \brief This is the concrete factory for the LFU cache policy
*/
 
#ifndef __TERRALIB_GRAPH_INTERNAL_LFUCACHEPOLICYFACTORY_H
#define __TERRALIB_GRAPH_INTERNAL_LFUCACHEPOLICYFACTORY_H
 
// TerraLib
#include "AbstractCachePolicyFactory.h"
#include "../Config.h"
 
namespace te
{
  namespace graph
  {
    /*!
      \class LFUCachePolicyFactory
 
      \brief This is the concrete factory for the LFU cache policy
 
      \sa te::graph::AbstractCachePolicyFactory
    */
    class TEGRAPHEXPORT LFUCachePolicyFactory : public te::graph::AbstractCachePolicyFactory
    {
      public:
 
        /*! \brief Virtual destructor. */
        ~LFUCachePolicyFactory() {}
 
        const std::string& getType() const;
 
        /*! \brief It initializes the factory: the singleton instance will be registered in the abstract factory ... */
        static void initialize();
 
        /*! \brief It finalizes the factory: the singleton instance will be destroyed and will be unregistered from the abstract factory ... */
        static void finalize();
 
      protected:
 
        /*! \brief Default constructor. */
        LFUCachePolicyFactory();
 
        /*! \brief Builds a new  cache policy object. */
        te::graph::AbstractCachePolicy* build();
 
      private:
 
        static LFUCachePolicyFactory* sm_factory;   //!< Static attribute used to register this factory
    };
 
  } // end namespace graph
}   // end namespace te
 
#endif  // __TERRALIB_GRAPH_INTERNAL_LFUCACHEPOLICYFACTORY_H