static void SetReturnFromCache(InterceptCallInfo info, CacheAspectItem item)
{
Debug.Assert(item.ReturnValue != null, "item.ReturnValue != null");
info.InterceptResult = InterceptResult.Return;
info.ReturnValue = item.ReturnValue;
if (item.RefValues != null)
{
Debug.Assert(info.CallMethodInfo != null, "info.CallMethodInfo != null");
Debug.Assert(info.ParameterValues != null, "info.ParameterValues != null");
var pis = info.CallMethodInfo.Parameters;
var n = 0;
for (var i = 0; i < pis.Length; i++)
{
if (pis[i].ParameterType.IsByRef)
{
info.ParameterValues[i] = item.RefValues[n++];
}
}
}
info.Cached = true;
}
protected override void AfterCall(InterceptCallInfo info)
{
if (!IsEnabled)
{
return;
}
var cache = Cache;
var key = (CompoundValue)info.Items["CacheKey"];
if (key == null)
{
return;
}
var maxCacheTime = _instanceMaxCacheTime ?? MaxCacheTime;
var isWeak = _instanceIsWeak ?? IsWeak;
var item = new CacheAspectItem
{
ReturnValue = info.ReturnValue,
MaxCacheTime = maxCacheTime == int.MaxValue || maxCacheTime < 0
? DateTime.MaxValue
: DateTime.Now.AddMilliseconds(maxCacheTime),
};
Debug.Assert(info.CallMethodInfo != null, "info.CallMethodInfo != null");
var pis = info.CallMethodInfo.Parameters;
var n = 0;
for (int i = 0; i < pis.Length; i++)
{
if (pis[i].ParameterType.IsByRef)
{
n++;
}
}
if (n > 0)
{
item.RefValues = new object[n];
n = 0;
for (var i = 0; i < pis.Length; i++)
{
if (pis[i].ParameterType.IsByRef)
{
Debug.Assert(info.ParameterValues != null, "info.ParameterValues != null");
item.RefValues[n++] = info.ParameterValues[i];
}
}
}
Debug.Assert(cache != null, nameof(cache) + " != null");
cache[key] = isWeak ? (object)new WeakReference(item) : item;
}
