1fcabec480
+ occi: added row_prefetch parameter to control how many rows the driver has to prefetch (default to 100)
81 lines
3.6 KiB
C++
81 lines
3.6 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2007 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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//$Id$
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#ifndef OCCI_FEATURESET_HPP
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#define OCCI_FEATURESET_HPP
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// mapnik
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#include <mapnik/datasource.hpp>
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#include <mapnik/unicode.hpp>
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// boost
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#include <boost/scoped_ptr.hpp>
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#include <boost/shared_ptr.hpp>
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// oci
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#include "occi_types.hpp"
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class occi_featureset : public mapnik::Featureset
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{
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public:
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occi_featureset(oracle::occi::StatelessConnectionPool * pool,
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std::string const& sqlstring,
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std::string const& encoding,
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bool multiple_geometries,
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unsigned prefetch_rows,
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unsigned num_attrs);
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virtual ~occi_featureset();
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mapnik::feature_ptr next();
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private:
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void convert_geometry (SDOGeometry* geom, mapnik::feature_ptr feature);
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void convert_point (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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void convert_linestring (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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void convert_polygon (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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void convert_multipoint (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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//void convert_multipoint_2 (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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void convert_multilinestring (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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//void convert_multilinestring_2 (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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void convert_multipolygon (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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//void convert_multipolygon_2 (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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//void convert_collection (SDOGeometry* geom, mapnik::feature_ptr feature, int dims);
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void fill_geometry2d (mapnik::geometry2d * geom,
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const std::vector<oracle::occi::Number>& elem_info,
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const std::vector<oracle::occi::Number>& ordinates,
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const int dimensions,
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const bool is_point_geom);
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void fill_geometry2d (mapnik::geometry2d * geom,
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const int real_offset,
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const int next_offset,
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const std::vector<oracle::occi::Number>& ordinates,
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const int dimensions,
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const bool is_point_geom);
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occi_connection_ptr conn_;
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oracle::occi::ResultSet* rs_;
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boost::scoped_ptr<mapnik::transcoder> tr_;
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const char* fidcolumn_;
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bool multiple_geometries_;
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unsigned num_attrs_;
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mutable int count_;
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};
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#endif // OCCI_FEATURESET_HPP
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