public string Get(string key)
{
bool cacheHit = true;
string value = cacheMap.GetOrAdd(key, (key) =>
{
cacheHit = false;
return(GetFromDb(key));
});
if (cacheHit)
{
Interlocked.Increment(ref CacheHit);
}
else
{
if (cacheMap.Count > maxSize)
{
var keyToEvict = evictionPolicy.GetKeyToEvict();
cacheMap.TryRemove(keyToEvict, out _);
}
}
evictionPolicy.RegisterKeyHit(key);
Interlocked.Increment(ref TotalRequest);
return(value);
}