[status] provide access to reason-specific rejections

frackit/sampling/status.hh

@@ -165,10 +165,32 @@ public:
                                { return curCount + idCountPair.second; });
     }
 
+    /*!
+     * \brief Returns the rejected entity count.
+     */
+    std::size_t getRejectedCount() const
+    {
+        const auto data = getRejectionData();
+        return std::accumulate(data.begin(),
+                               data.end(),
+                               0,
+                               [] (const auto& curCount, const auto& reasonCountPair)
+                               { return curCount + reasonCountPair.second; });
+    }
+
+    /*!
+     * \brief Returns the rejected entity count for a specific reason.
+     */
+    std::size_t getRejectedCount(const std::string& reason) const
+    {
+        auto it = rejectedCount_.find(reason);
+        return it != rejectedCount_.end() ? it->second : 0;
+    }
+
     /*!
      * \brief Get information on rejection events.
      */
-    auto getRejectionData() const
+    std::unordered_map<std::string, std::size_t> getRejectionData() const
     {
         auto result = rejectedCount_;
         if (unspecifiedRejectedCount_ > 0)