SubdivideOperation.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/vp/SubdivideOperation.h
 
   \brief This operation subdivides geometries ensuring that they don't have more than the given number of coordinates
 */
 
#ifndef __TERRALIB_VP_INTERNAL_SUBDIVIDEOPERATION_H
#define __TERRALIB_VP_INTERNAL_SUBDIVIDEOPERATION_H
 
 //Terralib include files
#include "Config.h"
 
#include "AbstractOperation.h"
 
#include <memory>
#include <mutex>
#include <vector>
 
namespace te
{
  namespace gm
  {
    class CellTilling;
  }
 
  namespace vp
  {
    class FeatureSet;
 
    class TEVPEXPORT SubdivideOperationParameters : public te::vp::AbstractParameters
    {
      public:
        SubdivideOperationParameters(std::size_t maxCoordinates = 0, te::gm::CellTilling* cellTilling = nullptr);
        ~SubdivideOperationParameters();
 
        void setCellTilling(te::gm::CellTilling* cellTilling);
        const te::gm::CellTilling* getCellTilling() const;
 
        void setMaxCoordinates(std::size_t maxCoordinates);
        std::size_t getMaxCoordinates() const;
 
    private:
      std::size_t m_maxCoordinates;
      std::unique_ptr<te::gm::CellTilling> m_cellTilling;
    };
 
    class TEVPEXPORT SubdivideOperationCapabilities : public te::vp::AbstractOperationCapabilities
    {
    public:
 
      SubdivideOperationCapabilities(const std::string& operationName, std::size_t numberOfInputs, std::size_t numberOfOutputs, const std::string& dataHandlerName, bool snapGeometries, bool allowCoordinateSubdivision);
 
      //!< Creates the parameters for this operation. If the concrete operation has specific parameters, it must override this class and instantiate the correct parameters
      std::unique_ptr<AbstractParameters> createParameters() const override;
    };
    
    /*!
      \class SubdivideOperation
      \brief This operation subdivides geometries ensuring that they don't have more than the given number of coordinates
    */
    class TEVPEXPORT SubdivideOperation : public te::vp::AbstractOperation
    {
    public:
 
      /*!
        * \brief Constructor
        */
      SubdivideOperation();
 
      //!< Destructor
      virtual ~SubdivideOperation();
 
      virtual std::unique_ptr<te::vp::AbstractOperationCapabilities> getCapabilities() const override;
 
      std::vector<te::vp::FeatureSet> executeImpl(const std::vector<te::vp::FeatureSet>& vecInput) override;
 
      te::da::DataSetType* createBasicOutputDataSetType(const std::string& dataSetName, int srid, te::gm::GeomType geometryType, const std::string& geometryColumnName) const override;
 
    protected:
 
      std::size_t safeCreateParentId();
 
    protected:
 
      std::size_t m_parentId;
      std::mutex m_mutex;
    };
 
    class TEVPEXPORT SubdivideOperationFactory : public te::vp::OperationFactory
    {
    public:
 
      SubdivideOperationFactory();
 
      virtual ~SubdivideOperationFactory();
 
    protected:
 
      virtual te::vp::AbstractOperation* build() override;
    };
 
  }//end namespace vp
}// end namespace te
 
#endif // __TERRALIB_VP_INTERNAL_SUBDIVIDEOPERATION_H