Added Cache::size()

implementations/caching/cache/Cache.h

@@ -26,6 +26,8 @@ public:
   Cache();
   virtual ~Cache();
 
+  uint32_t size() const;
+
   void push(const Key &key, Value value);
   boost::optional<Value> pop(const Key &key);
 
@@ -135,6 +137,12 @@ bool Cache<Key, Value>::_deleteOldEntry() {
   }
 };
 
+template<class Key, class Value>
+uint32_t Cache<Key, Value>::size() const {
+  std::unique_lock<std::mutex> lock(_mutex);
+  return _cachedBlocks.size();
+};
+
 }
 }
 

implementations/caching/cache/QueueMap.h

@@ -66,7 +66,7 @@ public:
     return _sentinel.next->value();
   }
 
-  uint32_t size() {
+  uint32_t size() const {
     return _entries.size();
   }