Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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routing/traffic_stash.hpp

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "routing/segment.hpp"
+
+#include "traffic/traffic_cache.hpp"
+#include "traffic/traffic_info.hpp"
+
+#include "routing_common/num_mwm_id.hpp"
+
+#include "indexer/mwm_set.hpp"
+
+#include "base/assert.hpp"
+
+#include <memory>
+#include <unordered_map>
+#include <utility>
+
+namespace routing
+{
+class TrafficStash final
+{
+public:
+  class Guard final
+  {
+  public:
+    explicit Guard(std::shared_ptr<TrafficStash> stash) : m_stash(std::move(stash))
+    {
+      if (m_stash)
+        m_stash->CopyTraffic();
+    }
+
+    ~Guard()
+    {
+      if (m_stash)
+        m_stash->Clear();
+    }
+
+  private:
+    std::shared_ptr<TrafficStash> m_stash;
+  };
+
+  TrafficStash(traffic::TrafficCache const & source, std::shared_ptr<NumMwmIds> numMwmIds);
+
+  traffic::SpeedGroup GetSpeedGroup(Segment const & segment) const;
+  void SetColoring(NumMwmId numMwmId, std::shared_ptr<const traffic::TrafficInfo::Coloring> coloring);
+  bool Has(NumMwmId numMwmId) const;
+
+private:
+  void CopyTraffic();
+
+  void Clear() { m_mwmToTraffic.clear(); }
+
+  traffic::TrafficCache const & m_source;
+  std::shared_ptr<NumMwmIds> m_numMwmIds;
+  std::unordered_map<NumMwmId, std::shared_ptr<const traffic::TrafficInfo::Coloring>> m_mwmToTraffic;
+};
+}  // namespace routing