mapnik/plugins/input/occi/occi_datasource.hpp
Artem Pavlenko cc60b74921 Simplify geometry model to support: Point/LineString/Polygon
Multi geometries are collections of single geometries
Remove multiple_geometries parameter
2011-12-06 12:53:16 +00:00

71 lines
2.3 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_DATASOURCE_HPP
#define OCCI_DATASOURCE_HPP
// mapnik
#include <mapnik/datasource.hpp>
#include <mapnik/box2d.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/feature_layer_desc.hpp>
// boost
#include <boost/shared_ptr.hpp>
// oci
#include "occi_types.hpp"
class occi_datasource : public mapnik::datasource
{
public:
occi_datasource(mapnik::parameters const& params, bool bind = true);
virtual ~occi_datasource ();
int type() const;
static std::string name();
mapnik::featureset_ptr features(mapnik::query const& q) const;
mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt) const;
mapnik::box2d<double> envelope() const;
mapnik::layer_descriptor get_descriptor() const;
void bind() const;
private:
int type_;
mutable std::string table_;
mutable std::string table_name_;
mutable std::string fields_;
mutable std::string geometry_field_;
mutable int srid_;
mutable bool srid_initialized_;
mutable bool extent_initialized_;
mutable mapnik::box2d<double> extent_;
mutable mapnik::layer_descriptor desc_;
int row_limit_;
int row_prefetch_;
mutable oracle::occi::StatelessConnectionPool* pool_;
mutable oracle::occi::Connection* conn_;
bool use_connection_pool_;
bool use_spatial_index_;
static const std::string METADATA_TABLE;
};
#endif // OCCI_DATASOURCE_HPP