UnionOperation.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/UnionOperation.h
 
   \brief Represents an union operation between two sets of features
 */
 
#ifndef __TERRALIB_VP_INTERNAL_UNIONOPERATION_H
#define __TERRALIB_VP_INTERNAL_UNIONOPERATION_H
 
 //Terralib include files
#include "Config.h"
 
#include "AbstractOperation.h"
 
#include <memory>
#include <vector>
 
namespace te
{
  namespace vp
  {
    class AbstractParameters;
    class DifferenceOperation;
    class FeatureSet;
    class IdentityOperation;
 
    /*!
      \class UnionOperation
      \brief Represents an union operation between two sets of features. 
 
      It executes 3 operations (A - B), (B - A) and (A & B)
    */
    class TEVPEXPORT UnionOperation : public te::vp::AbstractOperation
    {
    public:
 
      /*!
        * \brief Constructor
        */
      UnionOperation();
 
      //!< Destructor
      virtual ~UnionOperation();
 
      virtual void initialize() override;
 
      std::vector<te::vp::FeatureSet> executeImpl(const std::vector<te::vp::FeatureSet>& vecInput);
 
    protected:
      std::unique_ptr<te::vp::IdentityOperation> m_identityOperation;
      std::unique_ptr<te::vp::DifferenceOperation> m_differenceOperation;
    };
 
    class TEVPEXPORT UnionOperationFactory : public te::vp::OperationFactory
    {
    public:
 
      UnionOperationFactory();
 
      virtual ~UnionOperationFactory();
 
    protected:
 
      virtual te::vp::AbstractOperation* build() override;
    };
 
  }//end namespace vp
}// end namespace te
 
#endif // __TERRALIB_VP_INTERNAL_UNIONOPERATION_H