ConnectingRoutesCache.hpp

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// ----------------- BEGIN LICENSE BLOCK ---------------------------------
//
// Copyright (C) 2021 Intel Corporation
//
// SPDX-License-Identifier: LGPL-2.1-only
//
// ----------------- END LICENSE BLOCK -----------------------------------
#pragma once
 
#include <ad/map/route/ConnectingRouteList.hpp>
#include <ad/rss/world/ObjectId.hpp>
#include <map>
#include <mutex>
 
namespace ad {
namespace rss {
namespace map {
 
class ConnectingRoutesCache
{
public:
  ConnectingRoutesCache() = default;
 
  ~ConnectingRoutesCache() = default;
 
  void clear();
 
  void addConnectingRoutes(ad::rss::world::ObjectId const &object_a,
                           ad::rss::world::ObjectId const &object_b,
                           ad::map::route::ConnectingRouteList const &connecting_route_list,
                           ad::physics::Distance const &max_connecting_route_length);
 
  bool getConnectingRoutes(ad::rss::world::ObjectId const &object_a,
                           ad::rss::world::ObjectId const &object_b,
                           ad::physics::Distance const &max_connecting_route_length,
                           ad::map::route::ConnectingRouteList &connecting_route_list);
 
private:
  bool findEntry(ad::rss::world::ObjectId const &object_a,
                 ad::rss::world::ObjectId const &object_b,
                 ad::physics::Distance const &max_connecting_route_length,
                 ad::map::route::ConnectingRouteList &connecting_route_list);
 
  std::mutex m_lock;
 
  struct ConnectingRouteStorage
  {
    ConnectingRouteStorage(ad::map::route::ConnectingRouteList const &i_connecting_route_list,
                           ad::physics::Distance const &i_max_connecting_route_length)
      : connecting_route_list(i_connecting_route_list)
      , max_connecting_route_length(i_max_connecting_route_length)
    {
    }
    ad::map::route::ConnectingRouteList connecting_route_list;
    ad::physics::Distance max_connecting_route_length;
  };
  std::map<ad::rss::world::ObjectId, std::map<ad::rss::world::ObjectId, ConnectingRouteStorage>> m_cache;
};
 
} // namespace map
} // namespace rss
} // namespace ad