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#ifndef GROUP_H_BD6933C0
#define GROUP_H_BD6933C0

#include <stdexcept>
#include <list>
#include <vector>
#include "field.h"
#include "filter.h"
#include "frame.h"
#include "role.h"

struct sqlite3_stmt;

namespace verbly {

  class database;

  class group {
  public:

    // Default constructor

    group() = default;

    // Construct from database

    group(const database& db, sqlite3_stmt* row);

    // Accessors

    operator bool() const
    {
      return valid_;
    }

    int getId() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized group");
      }

      return id_;
    }

    const std::vector<frame>& getFrames() const;

    const role& getRole(std::string roleName) const;

    // Type info

    static const object objectType;

    static const std::list<std::string> select;

    // Query fields

    static const field id;

    operator filter() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized group");
      }

      return (id == id_);
    }

    // Relationships to other objects

    static const field frame;

    static const field word;

  private:
    bool valid_ = false;

    int id_;
    std::map<std::string, role> roles_;

    const database* db_;

    mutable bool initializedFrames_ = false;
    mutable std::vector<class frame> frames_;

  };

};

#endif /* end of include guard: GROUP_H_BD6933C0 */