source/libr2c2/block.h

   1 #ifndef LIBR2C2_BLOCK_H_
   2 #define LIBR2C2_BLOCK_H_
   3
   4 #include <list>
   5 #include <set>
   6 #include "track.h"
   7 #include "trackchain.h"
   8
   9 namespace R2C2 {
  10
  11 class Layout;
  12 class Route;
  13 class TrackCircuit;
  14 class TrackIter;
  15 class Train;
  16
  17 class Block: public TrackChain
  18 {
  19 public:
  20         struct Endpoint
  21         {
  22                 Track *track;
  23                 unsigned track_ep;
  24                 Block *link;
  25                 unsigned paths;
  26
  27                 Endpoint(Track *, unsigned);
  28
  29                 TrackIter track_iter() const;
  30         };
  31
  32         sigc::signal<void, Train *> signal_reserved;
  33
  34 private:
  35         unsigned id;
  36         unsigned sensor_id;
  37         unsigned turnout_id;
  38         TrackCircuit *sensor;
  39         std::vector<Endpoint> endpoints;
  40         Train *train;
  41
  42 public:
  43         Block(Layout &, Track &);
  44         ~Block();
  45
  46 private:
  47         virtual Validity check_validity(Track &) const;
  48
  49 public:
  50         unsigned get_id() const { return id; }
  51         unsigned get_sensor_id() const { return sensor_id; }
  52         unsigned get_turnout_id() const { return turnout_id; }
  53         TrackCircuit &get_sensor() const { return *sensor; }
  54         const std::vector<Endpoint> &get_endpoints() const { return endpoints; }
  55         const Endpoint &get_endpoint(unsigned) const;
  56         int get_endpoint_by_link(Block &) const;
  57         float get_path_length(unsigned, const Route * = 0) const;
  58         void check_link(Block &);
  59         void break_link(Block &);
  60         Block *get_link(unsigned) const;
  61         bool reserve(Train *);
  62         Train *get_train() const { return train; }
  63 private:
  64         void find_paths(const TrackIter &, unsigned);
  65         void determine_id();
  66 };
  67
  68 } // namespace R2C2
  69
  70 #endif