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
  26                 Endpoint(Track *, unsigned);
  27
  28                 TrackIter track_iter() const;
  29         };
  30
  31         sigc::signal<void, Train *> signal_reserved;
  32
  33 private:
  34         unsigned id;
  35         unsigned sensor_id;
  36         unsigned turnout_id;
  37         TrackCircuit *sensor;
  38         std::vector<Endpoint> endpoints;
  39         Train *train;
  40
  41 public:
  42         Block(Layout &, Track &);
  43         ~Block();
  44
  45 private:
  46         virtual void on_track_added(Track &);
  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 determine_id();
  65 };
  66
  67 } // namespace R2C2
  68
  69 #endif