startable.h

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#ifndef _startable_H_
#define _startable_H_
 
#include <queue>
 
namespace sensesp {
 
class StartableCompare;
 
class Startable {
 public:
  Startable(int priority = 0);
 
  virtual void start() {}
 
  const int get_start_priority() { return priority_; }
 
  void set_start_priority(int priority) { this->priority_ = priority; }
 
  static void start_all();
 
  friend class StartableCompare;
 
 private:
  int priority_;
 
  static std::priority_queue<Startable*, std::vector<Startable*>,
                             StartableCompare>
      startable_list_;
};
 
class StartableCompare {
 public:
  bool operator()(const Startable* lhs, const Startable* rhs) const {
    return lhs->priority_ < rhs->priority_;
  }
};
 
}  // namespace sensesp
 
#endif