mapnik/plugins/input/occi/occi_featureset.hpp

80 lines
2.9 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef OCCI_FEATURESET_HPP
#define OCCI_FEATURESET_HPP
// mapnik
#include <mapnik/feature.hpp>
#include <mapnik/datasource.hpp>
#include <mapnik/geometry.hpp>
#include <mapnik/unicode.hpp>
// boost
#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
// oci
#include "occi_types.hpp"
#include <vector>
class occi_featureset : public mapnik::Featureset
{
public:
occi_featureset(oracle::occi::StatelessConnectionPool* pool,
oracle::occi::Connection* conn,
mapnik::context_ptr const& ctx,
std::string const& sqlstring,
std::string const& encoding,
bool use_connection_pool,
bool use_wkb,
unsigned prefetch_rows);
virtual ~occi_featureset();
mapnik::feature_ptr next();
private:
void convert_geometry (SDOGeometry* geom, mapnik::feature_ptr feature);
void convert_ordinates (mapnik::feature_ptr feature,
const mapnik::eGeomType& geom_type,
const std::vector<oracle::occi::Number>& elem_info,
const std::vector<oracle::occi::Number>& ordinates,
const int dimensions,
const bool is_single_geom,
const bool is_point_geom);
void fill_geometry_type (mapnik::geometry_type* geom,
const int real_offset,
const int next_offset,
const std::vector<oracle::occi::Number>& ordinates,
const int dimensions,
const bool is_point_geom);
occi_connection_ptr conn_;
boost::shared_ptr<oracle::occi::ResultSet> rs_;
boost::scoped_ptr<mapnik::transcoder> tr_;
mapnik::value_integer feature_id_;
mapnik::context_ptr ctx_;
bool use_wkb_;
std::vector<char> buffer_;
};
#endif // OCCI_FEATURESET_HPP