public void RemoveCacheKey(string cacheKey)
{
if (_cacheKeys.ContainsKey(cacheKey))
{
int preUpdateBuckets = _cacheKeys.BucketCount;
_cacheKeys.Remove(cacheKey);
int postUpdateBuckets = _cacheKeys.BucketCount;
if (postUpdateBuckets != preUpdateBuckets)
{
_size -= (preUpdateBuckets - postUpdateBuckets) * MemoryUtil.NetHashtableOverHead;
}
}
}
private void UnregisterDataFilter(string serverUID, string clientID, string clientUID, HashVector CID, HashVector CUID)
{
//updating clientUIDs
HashVector clientUIDs = null;
if (CUID.ContainsKey(clientID))
{
clientUIDs = CUID[clientID] as HashVector;
clientUIDs.Remove(clientUID);
if (clientUIDs.Count == 0)
{
CUID[clientID] = null;
clientUIDs = CUID[clientID] as HashVector;
CUID.Remove(clientID);
}
}
//updating Max values
HashVector clientDF = null;
if (CID.ContainsKey(serverUID))
{
clientDF = CID[serverUID] as HashVector;
EventDataFilter max = EventDataFilter.None;
if (clientUIDs != null)
{
IDictionaryEnumerator ide = clientUIDs.GetEnumerator();
while (ide.MoveNext())
{
if (((EventDataFilter)ide.Value) > max)
{
max = (EventDataFilter)ide.Value;
}
}
if (!clientDF.ContainsKey(clientID) || ((EventDataFilter)clientDF[clientID]) < max)
{
clientDF[clientID] = max;
}
}
else
{
((IDictionary)CID[serverUID]).Remove(clientID);
if (((IDictionary)CID[serverUID]).Count == 0)
{
CID.Remove(serverUID);
}
}
}
}
//assumption contains checks are outside this function
private void DecrementOrRemove(ref HashVector <string, KeyInfo> keyVector, string key)
{
lock (keyVector)
{
if (keyVector.ContainsKey(key))
{
KeyInfo kInfo = keyVector[key];
if (kInfo.DecrementRefCount() <= 0)
{
keyVector.Remove(key);
}
}
}
}
/// <summary>
/// Provides implementation of Remove method of the ICacheStorage interface.
/// Removes an object from the store, specified by the passed in key
/// </summary>
/// <param name="key">key</param>
/// <returns>object</returns>
public override object Remove(object key)
{
IStorageEntry e = (IStorageEntry)Get(key);
if (e != null)
{
lock (_itemDict.SyncRoot)
{
_itemDict.Remove(key);
base.Removed(e, Common.MemoryUtil.GetStringSize(key), e.Type);
e?.MarkInUse(NCModulesConstants.Global);
e?.MarkFree(NCModulesConstants.CacheStore);
}
}
return(e);
}
public override void RemoveBucket(int bucket)
{
if (Context.NCacheLog.IsInfoEnabled)
{
Context.NCacheLog.Info("HashedCache.RemoveBucket", "removing bucket :" + bucket);
}
//Remove from stats
if (LocalBuckets != null)
{
LocalBuckets.Remove(bucket);
}
//Remove actual data of the bucket
RemoveBucketData(bucket);
//remove operation logger for the bucket from log table if any exists.
RemoveFromLogTbl(bucket);
}
public bool Remove(string messageId)
{
if (_messageIds.ContainsKey(messageId))
{
int preUpdateBuckets = _messageIds.BucketCount;
_messageIds.Remove(messageId);
int postUpdateBuckets = _messageIds.BucketCount;
if (postUpdateBuckets != preUpdateBuckets)
{
_size -= (preUpdateBuckets - postUpdateBuckets) * MemoryUtil.NetHashtableOverHead;
}
return(_messageIds.Count == 0);
}
return(false);
}
internal IOptimizedQueueOperation Dequeue()
{
IOptimizedQueueOperation operation = null;
try
{
lock (_sync_mutex)
{
int index = 0;
do //fetch the next valid operation from the queue
{
if (_head < _tail || _tailMaxReached) //or contition checks if the _tail has reached max long value and _head has not yet reached there , so in this case _head<_tail will fail bcz _tail has been reinitialized
{
if (_head == int.MaxValue) //checks if _head has reached the max long value, so reinitialize _head and make _tailMaxReached is set to false as _head<_tail is now again valid
{
_head = -1;
_tailMaxReached = false;
}
index = ++_head;
operation = _queue[index] as IOptimizedQueueOperation; //get key on which the operation is to be performed from the head of the queue
if (operation != null)
{
string cacheKey = _indexToKeyMap[index] as string;
_keyToIndexMap.Remove(cacheKey); //update map
_indexToKeyMap.Remove(index);
_queue.Remove(index); //update queue
_size -= operation.Size;
_count--;
}
}
else
{
break;
}
} while (operation == null);
}
}
catch (Exception exp)
{
throw exp;
}
return(operation);
}
public bool UnRegister(string serverUniqueId, string clientUniqueId, string clientId)
{
lock (this)
{
if (clientRefs.ContainsKey(serverUniqueId))
{
HashVector cRefs = (HashVector)clientRefs[serverUniqueId];
if (cRefs.ContainsKey(clientId))
{
ClusteredList <string> refs = (ClusteredList <string>)cRefs[clientId];
if (refs.Count > 0)
{
refs.Remove(clientUniqueId);
UnRegisterNotifications(serverUniqueId, clientUniqueId, clientId, addNotifications, maxAddDFAgainstCID, addDFAgainstCUniqueID);
UnRegisterNotifications(serverUniqueId, clientUniqueId, clientId, updateNotifications, maxUpdateDFAgainstCID, updateDFAgainstCUniqueID);
UnRegisterNotifications(serverUniqueId, clientUniqueId, clientId, removeNotifications, maxRemoveDFAgainstCID, removeDFAgainstCUniqueID);
if (refs.Count == 0)
{
cRefs.Remove(clientId);
}
}
if (cRefs.Count == 0)
{
int qIndex = -1;
foreach (ContinuousQuery query in registeredQueries)
{
if (query.UniqueId.Equals(serverUniqueId))
{
qIndex = registeredQueries.IndexOf(query);
break;
}
}
if (qIndex != -1)
{
registeredQueries.RemoveAt(qIndex);
}
return(true);
}
}
}
return(false);
}
}
/// <summary>
/// Provides implementation of Remove method of the ICacheStorage interface.
/// Removes an object from the store, specified by the passed in key
/// </summary>
/// <param name="key">key</param>
/// <returns>object</returns>
public override object Remove(object key)
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("Store.Remove", "");
}
object e = Get(key);
if (e != null)
{
lock (_itemDict.SyncRoot)
{
_itemDict.Remove(key);
base.Removed(e as ISizable, Common.MemoryUtil.GetStringSize(key));
}
}
return(e);
}
/// <summary>
/// Remove a specific key from a group or a sub group
/// </summary>
/// <param name="key"></param>
/// <param name="group"></param>
/// <param name="subGroup"></param>
public void RemoveFromGroup(object key, GroupInfo grpInfo)
{
if (grpInfo == null)
{
return;
}
string group = grpInfo.Group;
string subGroup = grpInfo.SubGroup;
if (group == null)
{
return;
}
group = DoTrimming(group);
subGroup = DoTrimming(subGroup);
lock (_groups.SyncRoot)
{
if (_groups.Contains(group))
{
GroupInfoEntry entry = (GroupInfoEntry)_groups[group];
long prevSize = entry.IndexInMemorySize;
entry.RemoveFromGroup(key, subGroup);
long currentSize = entry.IndexInMemorySize;
if (entry.SubGroupsCount == 0)
{
_groups.Remove(group);
ModifyGroupIndexSize(-prevSize); //in case the group is being removed we will removed the whole size of the group from our groupindex size
}
else
{
ModifyGroupIndexSize(currentSize - prevSize);
}
}
}
}
private void DecrementBucketStats(string key, int bucketId, long dataSize)
{
if (_stats.LocalBuckets.Contains(bucketId))
{
((BucketStatistics)_stats.LocalBuckets[bucketId]).Decrement(dataSize);
}
if (_keyList != null)
{
if (_keyList.Contains(bucketId))
{
HashVector keys = (HashVector)_keyList[bucketId];
keys.Remove(key);
if (keys.Count == 0)
{
_keyList.Remove(bucketId);
}
}
}
}
private void UnRegisterNotifications(string serverUniqueId, string clientUniqueId, string clientId, HashVector notifications
, HashVector CID, HashVector CUID)
{
if (notifications.ContainsKey(serverUniqueId))
{
HashVector clients = notifications[serverUniqueId] as HashVector;
if (clients.ContainsKey(clientId))
{
ClusteredList <string> clientQueries = clients[clientId] as ClusteredList <string>;
if (clientQueries.Contains(clientUniqueId))
{
clientQueries.Remove(clientUniqueId);
if (clientQueries.Count == 0)
{
clients.Remove(clientId);
}
}
}
}
UnregisterDataFilter(serverUniqueId, clientId, clientUniqueId, CID, CUID);
}
internal void Remove(long key, object value)
{
EvictionIndexEntry previousEntry = null;
EvictionIndexEntry nextEntry = null;
int addSize = 0, removeSize = 0;
if (_index.Contains(key))
{
EvictionIndexEntry indexEntry = (EvictionIndexEntry)_index[key];
bool decrementKeyCount = true;
removeSize = indexEntry.InMemorySize;
if (!indexEntry.Contains(value))
{
decrementKeyCount = false;
}
if (indexEntry.Remove(value))
{
if (indexEntry.Previous != -1)
{
previousEntry = (EvictionIndexEntry)_index[indexEntry.Previous];
}
if (indexEntry.Next != -1)
{
nextEntry = (EvictionIndexEntry)_index[indexEntry.Next];
}
if (previousEntry != null && nextEntry != null)
{
previousEntry.Next = indexEntry.Next;
nextEntry.Previous = indexEntry.Previous;
}
else if (previousEntry != null)
{
previousEntry.Next = indexEntry.Next;
_tail = indexEntry.Previous;
}
else if (nextEntry != null)
{
nextEntry.Previous = indexEntry.Previous;
_head = indexEntry.Next;
}
else
{
_tail = _head = -1;
}
_index.Remove(key);
}
else
{
addSize = indexEntry.InMemorySize;
}
if (decrementKeyCount)
{
_keysCount--;
}
}
_evictionIndexEntriesSize -= removeSize;
_evictionIndexEntriesSize += addSize;
}
public void RemoveLogger(int bucket)
{
_loggers.Remove(bucket);
}
private void UpdateNotifications(bool notify, string clientId, string serverUniqueId, string clientUniqueId, HashVector notifications
, EventDataFilter datafilters, HashVector CID, HashVector CUID)
{
if (notify)
{
if (notifications.ContainsKey(serverUniqueId))
{
HashVector clients = notifications[serverUniqueId] as HashVector;
if (clients.ContainsKey(clientId)) //New Query from same client
{
ClusteredList <string> clientQueries = clients[clientId] as ClusteredList <string>;
if (!clientQueries.Contains(clientUniqueId))
{
clientQueries.Add(clientUniqueId);
}
}
else //new client
{
ClusteredList <string> clientUniqueIds = new ClusteredList <string>();
clientUniqueIds.Add(clientUniqueId);
clients[clientId] = clientUniqueIds;
}
}
else //New Query altogether
{
HashVector clients = new HashVector();
ClusteredList <string> clientUniqueIds = new ClusteredList <string>();
clientUniqueIds.Add(clientUniqueId);
clients[clientId] = clientUniqueIds;
notifications[serverUniqueId] = clients;
}
#region DataFilters registration
//updating clientUIDs
HashVector clientUIDs = null;
if (CUID.ContainsKey(clientId))
{
clientUIDs = CUID[clientId] as HashVector;
}
else
{
CUID[clientId] = clientUIDs = new HashVector();
}
clientUIDs[clientUniqueId] = datafilters;
//updating Max values
HashVector clientDF = null;
if (CID.ContainsKey(serverUniqueId))
{
clientDF = CID[serverUniqueId] as HashVector;
}
else
{
CID[serverUniqueId] = clientDF = new HashVector();
}
EventDataFilter max = EventDataFilter.None;
IDictionaryEnumerator ide = clientUIDs.GetEnumerator();
while (ide.MoveNext())
{
if (((EventDataFilter)ide.Value) > max)
{
max = (EventDataFilter)ide.Value;
}
}
if (!clientDF.ContainsKey(clientId) || ((EventDataFilter)clientDF[clientId]) < max)
{
clientDF[clientId] = max;
}
#endregion
}
else //Not to be notified then remove it
{
if (notifications.ContainsKey(serverUniqueId))
{
HashVector clients = notifications[serverUniqueId] as HashVector;
if (clients.ContainsKey(clientId))
{
ClusteredList <string> clientQueries = clients[clientId] as ClusteredList <string>;
if (clientQueries.Contains(clientUniqueId))
{
clientQueries.Remove(clientUniqueId);
if (clientQueries.Count == 0)
{
clients.Remove(clientId);
}
}
}
}
UnregisterDataFilter(serverUniqueId, clientId, clientUniqueId, CID, CUID);
}
}
