src: Add link support in consumer & producer

Change-Id: Icdb7c8cc12a69f0a519bf656392f1cc0b20f4a11
Refs: #3543
diff --git a/src/consumer-db.hpp b/src/consumer-db.hpp
index 4b1f971..61646e8 100644
--- a/src/consumer-db.hpp
+++ b/src/consumer-db.hpp
@@ -44,8 +44,10 @@
   };
 
 public:
+  /** @brief Create a consumer database at @p dbPath
+   */
   explicit
-  ConsumerDB(const std::string& dbDir);
+  ConsumerDB(const std::string& dbPath);
 
   ~ConsumerDB();