public virtual void OnCustomUpdateCallback(string key, object value, bool notifyAsync, EventCacheItem item,
EventCacheItem oldItem, BitSet flag)
{
try
{
CallbackInfo cbInfo = value as CallbackInfo;
if (cbInfo != null)
{
if (item != null)
{
item.Value = GetObject(item.Value, flag);
}
if (oldItem != null)
{
oldItem.Value = GetObject(oldItem.Value, flag);
}
if (_parent._perfStatsCollector != null)
{
_parent._perfStatsCollector.IncrementEventsProcessedPerSec();
}
EventHandle handle = new EventHandle((short)cbInfo.Callback);
this._eventManager.RaiseSelectiveCacheNotification(key, EventType.ItemUpdated, item, oldItem,
CacheItemRemovedReason.Underused, notifyAsync, handle, cbInfo.DataFilter);
}
}
catch
{
}
}
public virtual void OnCustomRemoveCallback(string key, object value, CacheItemRemovedReason reason,
BitSet flag, bool notifyAsync, EventCacheItem item)
{
try
{
object[] args = value as object[];
if (args != null)
{
object val = args[0];
CallbackInfo cbInfo = args[1] as CallbackInfo;
if (cbInfo != null)
{
if (_parent._perfStatsCollector != null)
{
_parent._perfStatsCollector.IncrementEventsProcessedPerSec();
}
if (item != null)
{
item.Value = GetObject(item.Value, flag);
}
EventHandle handle = new EventHandle((short)cbInfo.Callback);
_parent.EventManager.RaiseSelectiveCacheNotification(key, EventType.ItemRemoved, item, null,
reason, notifyAsync, handle, cbInfo.DataFilter);
}
}
}
catch
{
}
}
/// <summary>
/// TheadSafe and no locks internally
/// </summary>
/// <param name="key"></param>
/// <param name="eventType">Should contain one type i.e. should not be used as a flag.
/// Every EventType should be executed from another thread</param>
/// <param name="item"></param>
/// <param name="oldItem"></param>
/// <param name="reason"></param>
/// <param name="_notifyAsync"></param>
/// <param name="eventhandle"></param>
internal void RaiseSelectiveCacheNotification(string key, EventType eventType, EventCacheItem item, EventCacheItem oldItem, CacheItemRemovedReason reason, bool _notifyAsync, EventHandle eventhandle,EventDataFilter dataFilter)
{
try
{
ResourcePool poolID = null;
CacheEventArg arg = null;
if ((eventType & EventType.ItemUpdated) != 0)
{
poolID = _selectiveUpdateEventIDPool;
}
else if ((eventType & EventType.ItemRemoved) != 0)
{
poolID = _selectiveRemoveEventIDPool;
}
arg = CreateCacheEventArgument(dataFilter, key, _cacheName, eventType, item, oldItem, reason);
if (poolID == null)
return;
CacheDataNotificationCallback callback = poolID.GetResource((short)eventhandle.Handle) as CacheDataNotificationCallback;
if (callback == null) //Can occur if Unregistered concurrently
return;
if (_notifyAsync)
System.Threading.ThreadPool.QueueUserWorkItem(waitC, new object[] { callback, key, arg}); //Faster and better
else
callback.Invoke(key, arg);
}
catch (Exception ex)
{
if (_logger != null && _logger.IsErrorEnabled) _logger.CriticalInfo(ex.ToString());
}
}
public virtual void OnCustomUpdateCallback(string key, object value, bool notifyAsync, EventCacheItem item,
EventCacheItem oldItem, BitSet flag)
{
try
{
CallbackInfo cbInfo = value as CallbackInfo;
if (cbInfo != null)
{
if (item != null) item.Value = GetObject(item.Value, flag);
if (oldItem != null) oldItem.Value = GetObject(oldItem.Value, flag);
if (_parent._perfStatsCollector != null)
_parent._perfStatsCollector.IncrementEventsProcessedPerSec();
EventHandle handle = new EventHandle((short) cbInfo.Callback);
this._eventManager.RaiseSelectiveCacheNotification(key, EventType.ItemUpdated, item, oldItem,
CacheItemRemovedReason.Underused, notifyAsync, handle, cbInfo.DataFilter);
}
}
catch
{
}
}
public virtual void OnCustomRemoveCallback(string key, object value, CacheItemRemovedReason reason, BitSet flag, bool notifyAsync, EventCacheItem item)
{
try
{
object[] args = value as object[];
if (args != null)
{
object val = args[0];
CallbackInfo cbInfo = args[1] as CallbackInfo;
if (cbInfo != null)
{
if (_parent._perfStatsCollector != null)
_parent._perfStatsCollector.IncrementEventsProcessedPerSec();
if (item != null) item.Value = GetObject(item.Value, flag);
EventHandle handle = new EventHandle((short)cbInfo.Callback);
_parent.EventManager.RaiseSelectiveCacheNotification(key, EventType.ItemRemoved, item, null, reason, notifyAsync, handle, cbInfo.DataFilter);
}
}
}
catch { }
}
/// <summary>
/// TheadSafe and no locks internally
/// </summary>
/// <param name="key"></param>
/// <param name="eventType">Should contain one type i.e. should not be used as a flag.
/// Every EventType should be executed from another thread</param>
/// <param name="item"></param>
/// <param name="oldItem"></param>
/// <param name="reason"></param>
/// <param name="_notifyAsync"></param>
/// <param name="eventhandle"></param>
internal void RaiseSelectiveCacheNotification(string key, EventType eventType, EventCacheItem item, EventCacheItem oldItem, CacheItemRemovedReason reason, bool _notifyAsync, EventHandle eventhandle, EventDataFilter dataFilter)
{
try
{
ResourcePool poolID = null;
CacheEventArg arg = null;
if ((eventType & EventType.ItemUpdated) != 0)
{
poolID = _selectiveUpdateEventIDPool;
}
else if ((eventType & EventType.ItemRemoved) != 0)
{
poolID = _selectiveRemoveEventIDPool;
}
arg = CreateCacheEventArgument(dataFilter, key, _cacheName, eventType, item, oldItem, reason);
if (poolID == null)
{
return;
}
CacheDataNotificationCallback callback = poolID.GetResource((short)eventhandle.Handle) as CacheDataNotificationCallback;
if (callback == null) //Can occur if Unregistered concurrently
{
return;
}
if (_notifyAsync)
{
System.Threading.ThreadPool.QueueUserWorkItem(waitC, new object[] { callback, key, arg }); //Faster and better
}
else
{
callback.Invoke(key, arg);
}
}
catch (Exception ex)
{
if (_logger != null && _logger.IsErrorEnabled)
{
_logger.CriticalInfo(ex.ToString());
}
}
}
private bool RegisterGeneralDiscriptor(CacheEventDescriptor discriptor, EventType eventType)
{
if (discriptor == null)
{
return(false); //FAIL CONDITION
}
EventHandle handle = null;
foreach (EventType type in Enum.GetValues(typeof(EventType)))
{
ResourcePool pool = null;
bool registrationUpdated = false;
#region Pool selection
if ((type & eventType) != 0)
{
pool = GetEventPool(type);
}
if (pool == null)
{
continue;
}
#endregion
short registrationSequenceId = -1;
lock (SyncLockGeneral)
{
pool.AddResource(discriptor, 1); // Everytime a new Discriptor is forcefully created
//Keeps a sequence number
switch (type)
{
case EventType.ItemAdded:
if (discriptor.DataFilter > _generalAddDataFilter ||
_addEventRegistrationSequence == REFSTART)
{
registrationUpdated = true;
registrationSequenceId = ++_addEventRegistrationSequence;
_generalAddDataFilter = discriptor.DataFilter;
}
else
{
registrationSequenceId = _addEventRegistrationSequence;
}
break;
case EventType.ItemRemoved:
if (discriptor.DataFilter > _generalRemoveDataFilter ||
_removeEventRegistrationSequenceId == REFSTART)
{
registrationUpdated = true;
registrationSequenceId = ++_removeEventRegistrationSequenceId;
_generalRemoveDataFilter = discriptor.DataFilter;
}
else
{
registrationSequenceId = _removeEventRegistrationSequenceId;
}
break;
case EventType.ItemUpdated:
if (discriptor.DataFilter > _generalUpdateDataFilter ||
_updateEventRegisrationSequenceId == REFSTART)
{
registrationUpdated = true;
registrationSequenceId = ++_updateEventRegisrationSequenceId;
_generalUpdateDataFilter = discriptor.DataFilter;
}
else
{
registrationSequenceId = _updateEventRegisrationSequenceId;
}
break;
}
//Although the handle doesnt matter in general events
if (handle == null)
{
handle = new EventHandle(registrationSequenceId);
}
}
if (_cache != null && registrationSequenceId != -1)
{
_cache.RegisterCacheNotificationDataFilter(type, discriptor.DataFilter, registrationSequenceId);
}
}
discriptor.IsRegistered = true;
discriptor.Handle = handle;
return(true);
}
