VectorDataSet.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/terralib4/VectorDataSet.h
 
  \brief ????
*/
 
#ifndef __TERRALIB_TERRALIB4_INTERNAL_VECTORDATASET_H
#define __TERRALIB_TERRALIB4_INTERNAL_VECTORDATASET_H
 
// TerraLib
#include "../dataaccess/dataset/DataSet.h"
#include "Config.h"
 
// Terralib 4.x
#include <terralib4/kernel/TeQuerier.h>
 
// STL
#include <memory>
#include <vector>
 
namespace te
{
// Forward declarations
  namespace da
  {
    class GeometryProperty;
  }
}
 
class TeLayer;
class TeDatabasePortal;
 
namespace terralib4
{
  /*!
    \class VectorDataSet
 
    \brief Implementation of a dataset for the TerraLib 4 driver.
 
    \sa te::da::DataSet
  */
  class TETERRALIB4EXPORT VectorDataSet : public te::da::DataSet
  {
    public:
 
      VectorDataSet(TeLayer* layer);
 
      ~VectorDataSet();
 
      te::common::TraverseType getTraverseType() const;
 
      te::common::AccessPolicy getAccessPolicy() const;
 
      std::size_t getNumProperties() const;
 
      int getPropertyDataType(std::size_t i) const;
 
      std::string getPropertyName(std::size_t i) const;
 
      std::string getDatasetNameOfProperty(std::size_t i) const;
 
      bool isEmpty() const;
 
      bool isConnected() const;
 
      std::size_t size() const;
 
      std::unique_ptr<te::gm::Envelope> getExtent(std::size_t i);
 
      bool moveNext();
 
      bool movePrevious();
 
      bool moveBeforeFirst();
 
      bool moveFirst();
 
      bool moveLast();
 
      bool move(std::size_t i);
 
      bool isAtBegin() const;
 
      bool isBeforeBegin() const;
 
      bool isAtEnd() const;
 
      bool isAfterEnd() const;
 
      bool isPositionValid() const;
 
      char getChar(std::size_t i) const;
 
      unsigned char getUChar(std::size_t i) const;
 
      boost::int16_t getInt16(std::size_t i) const;
 
      boost::int32_t getInt32(std::size_t i) const;
 
      boost::int64_t getInt64(std::size_t i) const;
 
      bool getBool(std::size_t i) const;
 
      float getFloat(std::size_t i) const;
 
      double getDouble(std::size_t i) const;
 
      std::string getNumeric(std::size_t i) const;
 
      std::string getString(std::size_t i) const;
 
      std::unique_ptr<te::dt::ByteArray> getByteArray(std::size_t i) const;
 
      std::unique_ptr<te::gm::Geometry> getGeometry(std::size_t i) const;
 
      std::unique_ptr<te::rst::Raster> getRaster(std::size_t i) const;
 
      std::unique_ptr<te::dt::DateTime> getDateTime(std::size_t i) const;
 
      std::unique_ptr<te::dt::Array> getArray(std::size_t i) const;
 
      bool isNull(std::size_t i) const;
 
    protected:
 
      te::da::DataSetType* m_dt;
      TeQuerier* m_querier;
      mutable TeSTInstance m_instance;
      int m_i;
      int m_size;
      int m_nCols;
      int m_geomCol;
      bool m_hasGeometry;
      TeLayer* m_layer;
  };
 
}   // end namespace te
 
 
#endif  // __TERRALIB_TERRALIB4_INTERNAL_VECTORDATASET_H