/home/martin/workspace/OpenStreetNav/src/osmdb/WayLister.h Source File

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00001 /*
00002  * WayLister.h
00003  *
00004  *  Created on: Jan 12, 2012
00005  *      Author: martin
00006  */
00007 
00008 #ifndef WAYLISTER_H_
00009 #define WAYLISTER_H_
00010 
00011 #include "OsmDatabase.h"
00012 #include <string>
00013 #include "../elements/osmelements.h"
00014 #include "../psql/psql.h"
00015 #include <vector>
00016 #include <map>
00017 
00018 namespace osmdb
00019 {
00020 
00025 class WayLister
00026 {
00027 public:
00034     WayLister(OsmDatabase& db, std::multimap<std::string, std::string> const& attributes, unsigned int fetch_size = 100000);
00039     std::map<osm::Way, std::multimap<osm::Node, osm::Way, osm::LtByID>, osm::LtByID> const& get_current_connected_ways() const;
00043     void next();
00047     void reset();
00053     bool end();
00054     virtual ~WayLister();
00055 private:
00056     OsmDatabase& db;
00057     psql::Cursor<psql::BindTypes<>, psql::RetTypes<int64_t, int64_t, double, double, int64_t, std::string, std::string, int> > get_way_descr;
00058     std::vector<std::tuple<int64_t, int64_t, double, double, int64_t, std::string, std::string, int> > rest;
00059     std::map<osm::Way, std::multimap<osm::Node, osm::Way, osm::LtByID>, osm::LtByID> current_connected_ways;
00060     boost::property_tree::ptree get_entries(std::multimap<std::string, std::string> const& attributes);
00061     bool done;
00062     unsigned int fetch_size;
00063 };
00064 
00065 } /* namespace osmdb */
00066 #endif /* WAYLISTER_H_ */