protected override void AfterCall(InterceptCallInfo info)
{
if (!IsEnabled)
{
return;
}
IDictionary cache = Cache;
lock (cache.SyncRoot)
{
_object = info.Object; // BVChanges: adding _object field
CompoundValue key = (CompoundValue)info.Items["CacheKey"];
if (key == null)
{
return;
}
int maxCacheTime = _instanceMaxCacheTime ?? MaxCacheTime;
bool isWeak = _instanceIsWeak ?? IsWeak;
CacheAspectItem item = new CacheAspectItem();
item.ReturnValue = info.ReturnValue;
item.MaxCacheTime = maxCacheTime == int.MaxValue || maxCacheTime < 0?
DateTime.MaxValue:
DateTime.Now.AddMilliseconds(maxCacheTime);
ParameterInfo[] pis = info.CallMethodInfo.Parameters;
int n = 0;
foreach (ParameterInfo pi in pis)
{
if (pi.ParameterType.IsByRef)
{
n++;
}
}
if (n > 0)
{
item.RefValues = new object[n];
n = 0;
for (int i = 0; i < pis.Length; i++)
{
if (pis[i].ParameterType.IsByRef)
{
item.RefValues[n++] = info.ParameterValues[i];
}
}
}
cache[key] = isWeak? (object)new WeakReference(item): item;
}
}
protected override void AfterCall(InterceptCallInfo info)
{
if (!IsEnabled)
{
return;
}
var cache = Cache;
lock (cache.SyncRoot)
{
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),
};
var pis = info.CallMethodInfo.Parameters;
var n = 0;
foreach (var pi in pis)
{
if (pi.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)
{
item.RefValues[n++] = info.ParameterValues[i];
}
}
}
cache[key] = isWeak? (object)new WeakReference(item): item;
}
}
protected override void AfterCall(InterceptCallInfo info)
{
if (!IsEnabled)
return;
IDictionary cache = GetCache(info);
lock (cache.SyncRoot)
{
CompoundValue key = (CompoundValue)info.Items["CacheKey"];
if (key == null)
return;
int maxCacheTime = MaxCacheTime;
bool isWeak = IsWeak;
if (!string.IsNullOrEmpty(info.ConfigString))
{
ConfigParameters cp = GetConfigParameters(info);
if (cp.MaxCacheTime != null) maxCacheTime = (int) cp.MaxCacheTime;
if (cp.IsWeak != null) isWeak = (bool)cp.IsWeak;
}
CacheAspectItem item = new CacheAspectItem();
item.ReturnValue = info.ReturnValue;
item.MaxCacheTime = maxCacheTime == int.MaxValue || maxCacheTime < 0?
DateTime.MaxValue:
DateTime.Now.AddMilliseconds(maxCacheTime);
ParameterInfo[] pis = info.CallMethodInfo.Parameters;
int n = 0;
foreach (ParameterInfo pi in pis)
if (pi.ParameterType.IsByRef)
n++;
if (n > 0)
{
item.RefValues = new object[n];
n = 0;
for (int i = 0; i < pis.Length; i++)
if (pis[i].ParameterType.IsByRef)
item.RefValues[n++] = info.ParameterValues[i];
}
cache[key] = isWeak? (object)new WeakReference(item): item;
}
}
protected override void BeforeCall(InterceptCallInfo info)
{
if (!IsEnabled)
{
return;
}
IDictionary cache = GetCache(info);
lock (cache.SyncRoot)
{
CompoundValue key = GetKey(info);
CacheAspectItem item = GetItem(cache, key);
if (item != null && !item.IsExpired)
{
info.InterceptResult = InterceptResult.Return;
info.ReturnValue = item.ReturnValue;
if (item.RefValues != null)
{
ParameterInfo[] pis = info.CallMethodInfo.Parameters;
int n = 0;
for (int i = 0; i < pis.Length; i++)
{
if (pis[i].ParameterType.IsByRef)
{
info.ParameterValues[i] = item.RefValues[n++];
}
}
}
info.Cached = true;
}
else
{
info.Items["CacheKey"] = key;
}
}
}
private static void SetReturnFromCache(InterceptCallInfo info, CacheAspectItem item)
{
info.InterceptResult = InterceptResult.Return;
info.ReturnValue = item.ReturnValue;
if (item.RefValues != 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;
lock (cache.SyncRoot)
{
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),
};
var pis = info.CallMethodInfo.Parameters;
var n = 0;
foreach (var pi in pis)
if (pi.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)
item.RefValues[n++] = info.ParameterValues[i];
}
cache[key] = isWeak? (object)new WeakReference(item): item;
}
}
protected override void AfterCall(InterceptCallInfo info)
{
if (!IsEnabled)
{
return;
}
IDictionary cache = GetCache(info);
lock (cache.SyncRoot)
{
CompoundValue key = (CompoundValue)info.Items["CacheKey"];
if (key == null)
{
return;
}
int maxCacheTime = MaxCacheTime;
bool isWeak = IsWeak;
if (!string.IsNullOrEmpty(info.ConfigString))
{
ConfigParameters cp = GetConfigParameters(info);
if (cp.MaxCacheTime != null)
{
maxCacheTime = (int)cp.MaxCacheTime;
}
if (cp.IsWeak != null)
{
isWeak = (bool)cp.IsWeak;
}
}
CacheAspectItem item = new CacheAspectItem();
item.ReturnValue = info.ReturnValue;
item.MaxCacheTime = maxCacheTime == int.MaxValue || maxCacheTime < 0?
DateTime.MaxValue:
DateTime.Now.AddMilliseconds(maxCacheTime);
ParameterInfo[] pis = info.CallMethodInfo.Parameters;
int n = 0;
foreach (ParameterInfo pi in pis)
{
if (pi.ParameterType.IsByRef)
{
n++;
}
}
if (n > 0)
{
item.RefValues = new object[n];
n = 0;
for (int i = 0; i < pis.Length; i++)
{
if (pis[i].ParameterType.IsByRef)
{
item.RefValues[n++] = info.ParameterValues[i];
}
}
}
cache[key] = isWeak? (object)new WeakReference(item): item;
}
}
private static void Cleanup(object state)
{
if (!Monitor.TryEnter(_caches.SyncRoot, 10))
{
// The Cache is busy, skip this turn.
//
return;
}
DateTime start = DateTime.Now;
int objectsInCache = 0;
try
{
_workTimes++;
List <DictionaryEntry> list = new List <DictionaryEntry>();
foreach (IDictionary cache in _caches)
{
lock (cache.SyncRoot)
{
foreach (DictionaryEntry de in cache)
{
WeakReference wr = de.Value as WeakReference;
bool isExpired;
if (wr != null)
{
CacheAspectItem ca = wr.Target as CacheAspectItem;
isExpired = ca == null || ca.IsExpired;
}
else
{
isExpired = ((CacheAspectItem)de.Value).IsExpired;
}
if (isExpired)
{
list.Add(de);
}
}
foreach (DictionaryEntry de in list)
{
cache.Remove(de.Key);
_objectsExpired++;
}
list.Clear();
objectsInCache += cache.Count;
}
}
_objectsInCache = objectsInCache;
}
finally
{
_workTime += DateTime.Now - start;
Monitor.Exit(_caches.SyncRoot);
}
}
private static void SetReturnFromCache(InterceptCallInfo info, CacheAspectItem item)
{
info.InterceptResult = InterceptResult.Return;
info.ReturnValue = item.ReturnValue;
if (item.RefValues != 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;
}
