Move leg search to routing base

server/data_structures/datafacade_base.hpp

@@ -118,6 +118,8 @@ template <class EdgeDataT> class BaseDataFacade
 
     virtual std::string get_name_for_id(const unsigned name_id) const = 0;
 
+    virtual std::size_t GetCoreSize() const = 0;
+
     virtual std::string GetTimestamp() const = 0;
 };
 

server/data_structures/internal_datafacade.hpp

@@ -447,6 +447,11 @@ template <class EdgeDataT> class InternalDataFacade final : public BaseDataFacad
         return m_via_node_list.at(id);
     }
 
+    virtual std::size_t GetCoreSize() const override final
+    {
+        return m_is_core_node.size();
+    }
+
     virtual bool IsCoreNode(const NodeID id) const override final
     {
         if (m_is_core_node.size() > 0)

server/data_structures/shared_datafacade.hpp

@@ -473,6 +473,11 @@ template <class EdgeDataT> class SharedDataFacade final : public BaseDataFacade<
         return false;
     }
 
+    virtual std::size_t GetCoreSize() const override final
+    {
+        return m_is_core_node.size();
+    }
+
     std::string GetTimestamp() const override final { return m_timestamp; }
 };