internal EventCacheItem ConvertToEventCacheItem(Common.Protobuf.EventCacheItem entry)
{
EventCacheItem cacheItem = new EventCacheItem();
try
{
cacheItem.Group = entry.group;
cacheItem.SubGroup = entry.subGroup;
cacheItem.CacheItemVersion = new CacheItemVersion();
cacheItem.CacheItemVersion.Version = entry.itemVersion;
cacheItem.CacheItemPriority = (CacheItemPriority)entry.priority;
//cacheItem.ResyncOptions = new Runtime.Caching.ResyncOptions(false, "");
cacheItem.Flagmap = new Common.BitSet((byte)entry.flagMap);
if (entry.value.Count > 0)
{
List <byte[]> val = entry.value;
UserBinaryObject ubObject = UserBinaryObject.CreateUserBinaryObject(entry.value.ToArray());
if (ubObject != null)
{
cacheItem.SetValue(ubObject.GetFullObject());
}
}
cacheItem.EntryType = Util.MiscUtil.ProtoItemTypeToEntryType(entry.itemType);
}
catch (System.Exception e)
{
throw e;
}
return(cacheItem);
}
internal static EventCacheItem ConvertToEventEntry(Alachisoft.NCache.Common.Protobuf.EventCacheItem cacheItem)
{
Byte[] objectValue = null;
if (cacheItem == null)
{
return(null);
}
EventCacheItem item = new EventCacheItem();
item.CacheItemPriority = (CacheItemPriority)cacheItem.priority;
item.CacheItemVersion = new CacheItemVersion(cacheItem.itemVersion);
item.Group = String.IsNullOrEmpty(cacheItem.group) ? null : cacheItem.group;
item.SubGroup = String.IsNullOrEmpty(cacheItem.subGroup) ? null : cacheItem.subGroup;
item.Flagmap = new Common.BitSet((byte)cacheItem.flagMap);
if (cacheItem.value != null && cacheItem.value.Count > 0)
{
UserBinaryObject ubObject = UserBinaryObject.CreateUserBinaryObject(cacheItem.value.ToArray());
objectValue = ubObject.GetFullObject();
item.SetValue(objectValue);
}
item.EntryType = NCache.Util.MiscUtil.ProtoItemTypeToEntryType(cacheItem.itemType);
return(item);
}
internal EventArg(string cacheName, EventType eventType, EventCacheItem item, EventCacheItem oldItem)
{
_cacheName = cacheName;
_eventType = eventType;
_item = item;
_oldItem = oldItem;
}
/// <summary>
/// For Inproc only
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
internal static EventCacheItem ConvertToItem(EventCacheEntry entry)
{
Byte[] objectValue = null;
if (entry != null)
{
EventCacheItem item = new EventCacheItem();
item.CacheItemPriority = (CacheItemPriority)entry.Priority;
item.CacheItemVersion = new CacheItemVersion(entry.Version);
item.Group = entry.Group;
item.SubGroup = entry.SubGroup;
if (entry.Value != null)
{
UserBinaryObject ubObject = entry.Value as UserBinaryObject;
if (ubObject != null)
{
objectValue = ubObject.GetFullObject();
item.SetValue(objectValue);
}
else
{
item.SetValue(entry.Value);
}
}
item.EntryType = entry.EntryType;
return(item);
}
return(null);
}
public ItemAddedTask(Broker parent, string key, bool notifyAsync, EventCacheItem item, BitSet flag)
{
this._parent = parent;
this._key = key;
this._notifyAsync = notifyAsync;
this._item = item;
this._flag = flag;
}
public ItemRemoveEventTask(Broker parent, string key, object value, CacheItemRemovedReason reason, BitSet flag, bool notifyAsync, EventCacheItem item)
{
this._parent = parent;
this._key = key;
this._value = value;
this._reason = reason;
this._flag = flag;
this._notifyAsync = notifyAsync;
this._item = item;
}
public ItemUpdateCallbackTask(Broker parent, string key, short callBackId, bool notifyAsync, EventCacheItem item, EventCacheItem oldItem, BitSet flag, EventDataFilter dataFilter)
{
this._parent = parent;
this._key = key;
this._callBackId = callBackId;
this._notifyAsync = notifyAsync;
this._item = item;
this._oldItem = oldItem;
this._flag = flag;
this._dataFilter = dataFilter;
}
public ItemRemoveCallBackTask(Broker parent, string key, short callBackId, object value, CacheItemRemovedReason reason, BitSet flag, bool notifyAsync, EventCacheItem item, EventDataFilter dataFilter)
{
this._parent = parent;
this._key = key;
this._callBackId = callBackId;
this._value = value;
this._reason = reason;
this._flag = flag;
this._notifyAsync = notifyAsync;
this._item = item;
this._dataFilter = dataFilter;
}
/// <summary>
/// Clones the Event cache item instance.
/// </summary>
/// <returns></returns>
public object Clone()
{
EventCacheItem clone = new EventCacheItem();
clone._group = _group;
clone._version = _version;
clone._cacheItemPriority = _cacheItemPriority;
clone._value = _value;
clone._entryType = _entryType;
clone._subGroup = _subGroup;
clone._flagMap = _flagMap;
return(clone);
}
private CacheEventArg CreateCacheEventArgument(EventDataFilter dataFilter, string key, string cacheName, EventType eventType, EventCacheItem item, EventCacheItem oldItem, CacheItemRemovedReason removedReason)
{
EventCacheItem cloneItem = null;
EventCacheItem cloneOldItem = null;
CacheEventArg eventArg = new CacheEventArg(key, cacheName, eventType, cloneItem, null, removedReason);
if (eventType == EventType.ItemUpdated)
{
eventArg.OldItem = cloneOldItem;
}
return(eventArg);
}
internal static void UpdateArgItemForRaisedEvent(Cache cache, EventCacheItem eventCacheItem, string itemKey)
{
}
/// <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;
var bitSet = new BitSet();
if (_cache.SerializationFormat == Common.Enum.SerializationFormat.Json)
{
bitSet.SetBit(BitSetConstants.JsonData);
}
if (item != null)
{
item.SetValue(_cache.SafeDeserialize <object>(item.GetValue <object>(), _cache.SerializationContext, bitSet, UserObjectType.CacheItem));
}
if (oldItem != null)
{
oldItem.SetValue(_cache.SafeDeserialize <object>(oldItem.GetValue <object>(), _cache.SerializationContext, bitSet, UserObjectType.CacheItem));
}
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());
}
}
}
/// <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>
internal void RaiseGeneralCacheNotification(string key, EventType eventType, EventCacheItem item, EventCacheItem oldItem, CacheItemRemovedReason reason, bool notifyAsync)
{
try
{
object[] registeredDiscriptors = null;
ResourcePool eventPool = GetEventPool(EventsUtil.GetEventTypeInternal(eventType));
if (eventPool != null)
{
registeredDiscriptors = eventPool.GetAllResourceKeys();
}
if (registeredDiscriptors != null && registeredDiscriptors.Length > 0)
{
for (int i = 0; i < registeredDiscriptors.Length; i++)
{
CacheEventDescriptor discriptor = registeredDiscriptors[i] as CacheEventDescriptor;
if (discriptor == null)
{
continue;
}
var bitSet = new BitSet();
if (_cache.SerializationFormat == Common.Enum.SerializationFormat.Json)
{
bitSet.SetBit(BitSetConstants.JsonData);
}
if (item != null)
{
item.SetValue(_cache.SafeDeserialize <object>(item.GetValue <object>(), _cache.SerializationContext, bitSet, UserObjectType.CacheItem));
}
if (oldItem != null)
{
oldItem.SetValue(_cache.SafeDeserialize <object>(oldItem.GetValue <object>(), _cache.SerializationContext, bitSet, UserObjectType.CacheItem));
}
var arg = CreateCacheEventArgument(discriptor.DataFilter, key, _cacheName, eventType, item, oldItem, reason);
arg.Descriptor = discriptor;
if (notifyAsync)
{
#if !NETCORE
discriptor.CacheDataNotificationCallback.BeginInvoke(key, arg, asyn, null);
#elif NETCORE
//TODO: ALACHISOFT (BeginInvoke is not supported in .Net Core thus using TaskFactory)
TaskFactory factory = new TaskFactory();
Task task = factory.StartNew(() => discriptor.CacheDataNotificationCallback(key, arg));
#endif
}
else
{
discriptor.CacheDataNotificationCallback.Invoke(key, arg);
}
}
}
}
catch (Exception ex)
{
if (_logger != null && _logger.IsErrorEnabled)
{
_logger.CriticalInfo(ex.ToString());
}
}
}
internal CacheEventArg(string key, string cachename, EventType eventType, EventCacheItem item, CacheEventDescriptor discriptor, CacheItemRemovedReason reason)
: base(cachename, eventType, item)
{
_reason = reason;
_descriptor = discriptor;
}
internal CacheEventArg(string key, string cachename, EventType eventType, EventCacheItem item, CacheEventDescriptor discriptor, EventCacheItem olditem)
: base(cachename, eventType, item, olditem)
{
_descriptor = discriptor;
}
