private static void Cache <T>(MethodInfo self, Type type, T instance) where T : Attribute
{
ConcurrentDictionary <Type, Attribute> root;
if (!MethodReflectionCache.TryGetValue(self, out root))
{
root = new ConcurrentDictionary <Type, Attribute>();
MethodReflectionCache.TryAdd(self, root);
}
if (!root.ContainsKey(type))
{
root.TryAdd(type, instance);
}
}
private static T LookupInCache <T>(MethodInfo self, Type type, out bool hasItem) where T : Attribute
{
ConcurrentDictionary <Type, Attribute> root;
if (MethodReflectionCache.TryGetValue(self, out root))
{
Attribute leaf;
if (root.TryGetValue(type, out leaf))
{
hasItem = true;
return((T)leaf);
}
}
hasItem = false;
return(default(T));
}