Пример #1
0
        /// <summary>
        /// Merge the first entry i.e. c1 into c2
        /// </summary>
        /// <param name="c1"></param>
        /// <param name="c2"></param>
        /// <returns>returns merged entry c2</returns>
        public static CacheEntry MergeEntries(CacheEntry c1, CacheEntry c2)
        {
            if (c1 != null && c1.Value is CallbackEntry)
            {
                CallbackEntry cbEtnry = null;
                cbEtnry = c1.Value as CallbackEntry;

                if (cbEtnry.ItemRemoveCallbackListener != null)
                {
                    foreach (CallbackInfo cbInfo in cbEtnry.ItemRemoveCallbackListener)
                        c2.AddCallbackInfo(null, cbInfo);

                }
                if (cbEtnry.ItemUpdateCallbackListener != null)
                {
                    foreach (CallbackInfo cbInfo in cbEtnry.ItemUpdateCallbackListener)
                        c2.AddCallbackInfo(cbInfo, null);

                }
            }
            if (c1 != null && c1.EvictionHint != null)
            {
                if (c2.EvictionHint == null) c2.EvictionHint = c1.EvictionHint;
            }
            return c2;
        }
Пример #2
0
 public static bool ReleaseLock(CacheEntry existingEntry, CacheEntry newEntry)
 {
     if (CheckLockCompatibility(existingEntry, newEntry))
     {
         existingEntry.ReleaseLock();
         newEntry.ReleaseLock();
         return true;
     }
     return false;
 }
Пример #3
0
        private void PollForEventMessage(string clientId)
        {
            SubscriptionInfo subscriptionInfo = new SubscriptionInfo()
            {
                SubscriptionId = SubscriptionInfo.EventsSubscriptionName, ClientId = clientId, Type = SubscriptionType.Subscriber, SubPolicyType = SubscriptionPolicyType.EventSubscription, Expiration = TimeSpan.MaxValue.Ticks
            };

            result = context.CacheImpl.GetAssignedMessage(subscriptionInfo, operationContext);

            foreach (var pair in result.AssignedMessages)
            {
                IList <object> eventMessages = pair.Value;
                lock (eventMessages)
                {
                    IEnumerator <object> enu = eventMessages.GetEnumerator();
                    while (enu.MoveNext())
                    {
                        //Create Events here and fire
                        var          message      = (EventMessage)enu.Current;
                        EventContext eventContext = SetEventContext(message);
                        switch (eventContext.EventID.EventType)
                        {
                        case Persistence.EventType.ITEM_UPDATED_CALLBACK:
                            context.CacheImpl.RaiseOldCustomUpdateCalbackNotifier(message.Key, message.CallbackInfos, eventContext);
                            break;

                        case Persistence.EventType.ITEM_REMOVED_CALLBACK:
                            CacheEntry entry = CacheEntry.CreateCacheEntry(context.FakeObjectPool);
                            entry.Notifications = new Notifications();
                            entry.Notifications.ItemRemoveCallbackListener = new ArrayList();
                            entry.Notifications.ItemRemoveCallbackListener = message.CallbackInfos;
                            entry.MarkInUse(NCModulesConstants.Global);
                            context.CacheImpl.RaiseOldCustomRemoveCalbackNotifier(message.Key, entry, message.RemoveReason, operationContext, eventContext);
                            break;
                        }

                        switch (message.MessageMetaData.TopicName)
                        {
                        case TopicConstant.ItemLevelEventsTopic:
                            itemLevelEventsMessageIds.Add(message.MessageId);
                            break;
                        }
                    }
                }
            }



            if (itemLevelEventsMessageIds.Count > 0)
            {
                topicWiseMessageIds.Add(TopicConstant.ItemLevelEventsTopic, itemLevelEventsMessageIds);
                itemLevelEventsMessageIds = new List <string>();
            }



            if (topicWiseMessageIds.Count > 0)
            {
                context.CacheImpl.AcknowledgeMessageReceipt(clientId, topicWiseMessageIds, operationContext);
                topicWiseMessageIds = new Dictionary <string, IList <string> >();
            }
        }
Пример #4
0
 /// <summary>
 /// Fill available keys and their relative data
 /// </summary>
 /// <param name="keys"></param>
 /// <param name="entries"></param>
 /// <param name="available"></param>
 /// <param name="data"></param>
 /// <param name="table"></param>
 public static void FillArrays(object[] keys, CacheEntry[] entries, object[] available, CacheEntry[] data, Hashtable table)
 {
     int a = 0, i = 0;
     foreach (object key in keys)
     {
         if (table.Contains(key) == false)
         {
             available[a] = key;
             data[a] = entries[i];
             a++;
         }
         i++;
     }
 }
Пример #5
0
 public QueryItemContainer(CacheEntry item, Hashtable itemAttributes)
 {
     _item = item;
     _itemArrtribs = itemAttributes;
 }
Пример #6
0
        /// <summary>
        /// Creates a new object that is a copy of the current instance and that is routable as well.
        /// </summary>
        /// <returns>A routable copy of this instance.</returns>
        internal CacheEntry RoutableClone(Address localAddress)
        {
            lock (this)
            {
                if (_syncDependency != null || _exh != null)
                {
                    //see if expiration hint itself is non-routable then we only need
                    //a node expiration to handle both the syncDependency and expiration.
                    //otherwise we need a node expiration for syncDependency and also need to
                    //maintain the actual routable expiration hint.

                    NodeExpiration expiry = null;
                    if (localAddress != null)
                    {
                        expiry = new NodeExpiration(localAddress);
                    }

                    if (SyncDependency == null)
                    {
                        if (!_exh.IsRoutable)
                        {
                            CacheEntry e = new CacheEntry(Value, expiry, _evh);
                            if (_grpInfo != null)
                            {
                                e._grpInfo = (GroupInfo)_grpInfo.Clone();
                            }
                            e._bitset           = (BitSet)_bitset.Clone();
                            e._version          = this._version;
                            e._creationTime     = this._creationTime;
                            e._lastModifiedTime = this._lastModifiedTime;

                            if (this.LockMetaInfo != null)
                            {
                                e.LockExpiration = this.LockExpiration;
                            }

                            e._resyncProviderName = this._resyncProviderName;
                            e.Priority            = Priority;
                            return(e);
                        }
                    }
                    else
                    {
                        if (_exh != null && _exh.IsRoutable)
                        {
                            AggregateExpirationHint aggHint = new AggregateExpirationHint();

                            aggHint.Add(_exh);

                            CacheEntry e = new CacheEntry(Value, aggHint, _evh);
                            if (_grpInfo != null)
                            {
                                e._grpInfo = (GroupInfo)_grpInfo.Clone();
                            }
                            e._bitset           = (BitSet)_bitset.Clone();
                            e._version          = this._version;
                            e._creationTime     = this._creationTime;
                            e._lastModifiedTime = this._lastModifiedTime;

                            if (this.LockMetaInfo != null)
                            {
                                e.LockExpiration = this.LockExpiration;
                            }

                            e._resyncProviderName = this._resyncProviderName;
                            e.Priority            = Priority;
                            return(e);
                        }
                        else
                        {
                            CacheEntry e = new CacheEntry(Value, expiry, _evh);
                            if (_grpInfo != null)
                            {
                                e._grpInfo = (GroupInfo)_grpInfo.Clone();
                            }
                            e._bitset           = (BitSet)_bitset.Clone();
                            e._version          = this._version;
                            e._creationTime     = this._creationTime;
                            e._lastModifiedTime = this._lastModifiedTime;

                            if (this.LockMetaInfo != null)
                            {
                                e.LockExpiration = this.LockExpiration;
                            }

                            e._resyncProviderName = this._resyncProviderName;
                            e.Priority            = Priority;
                            return(e);
                        }
                    }
                }
            }
            return((CacheEntry)Clone());
        }
Пример #7
0
        /// <summary>
        /// Overload of Add operation for bulk additions. Uses EvictionHint and ExpirationHint arrays.
        /// </summary>        
        public IDictionary Add(string[] keys, CacheEntry[] enteries, OperationContext operationContext)
        {
            if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("Cache.InsertBlk", "");

            if (keys == null) throw new ArgumentNullException("keys");
            if (enteries == null) throw new ArgumentNullException("entries");

            try
            {
                Hashtable result = _context.CacheImpl.Add(keys, enteries, true, operationContext);
                if (result != null)
                {

                    Hashtable tmp = (Hashtable)result.Clone();
                    IDictionaryEnumerator ide = tmp.GetEnumerator();
                    while (ide.MoveNext())
                    {
                        CacheAddResult addResult = CacheAddResult.Failure;
                        if (ide.Value is CacheAddResult)
                        {
                            addResult = (CacheAddResult)ide.Value;
                            switch (addResult)
                            {
                                case CacheAddResult.Failure:
                                    break;
                                case CacheAddResult.KeyExists:
                                    result[ide.Key] = new OperationFailedException("The specified key already exists.");
                                    break;
                                case CacheAddResult.NeedsEviction:
                                    result[ide.Key] = new OperationFailedException("The cache is full and not enough items could be evicted.");
                                    break;
                                case CacheAddResult.Success:
                                    result.Remove(ide.Key);
                                    break;
                            }
                        }
                    }
                }
                return result;


            }
            catch (Exception)
            {
                //NCacheLog.Error(_context.CacheName, "Cache.Add():", inner.ToString());
                throw;
            }

        }
Пример #8
0
 /// <summary>
 /// Adds a pair of key and value to the cache. Throws an exception or reports error 
 /// if the specified key already exists in the cache.
 /// </summary>
 /// <param name="key">key of the entry.</param>
 /// <param name="cacheEntry">the cache entry.</param>
 /// <returns>returns the result of operation.</returns>
 public override CacheAddResult Add(object key, CacheEntry cacheEntry, bool notify, OperationContext operationContext)
 {
     CacheAddResult result = CacheAddResult.Failure;
     if (Internal != null)
     {
         result = Internal.Add(key, cacheEntry, notify, operationContext);
     }
     return result;
 }
Пример #9
0
        /// <summary>
        /// Convert CompactCacheEntry to CacheEntry, CompactCacheEntry may be serialized
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        CacheEntry MakeCacheEntry(CompactCacheEntry cce)
        {
            bool isAbsolute = false;
            int priority = (int)CacheItemPriority.Normal;

            int opt = (int)cce.Options;

            if (opt != 255)
            {
                isAbsolute = Convert.ToBoolean(opt & 1);
                opt = (opt >> 1);
                opt = (opt >> 1);
                priority = opt - 2;
            }

            ExpirationHint eh = ExpirationHelper.MakeExpirationHint(cce.Expiration, isAbsolute);
            CacheEntry e = new CacheEntry(cce.Value, eh, new PriorityEvictionHint((CacheItemPriority)priority));       
            e.QueryInfo = cce.QueryInfo;
            e.Flag = cce.Flag;


            e.LockId = cce.LockId;
            e.LockAccessType = cce.LockAccessType;

            return e;
        }
Пример #10
0
        /// <summary>
        /// Overload of Add operation. uses additional paramer of Flag for checking if compressed or not
        /// </summary>
        public void Add(object key, object value,
                        ExpirationHint expiryHint, EvictionHint evictionHint,
                        Hashtable queryInfo, BitSet flag, 
                       OperationContext operationContext)
        {
            if (key == null) throw new ArgumentNullException("key");
            if (value == null) throw new ArgumentNullException("value");

            if (!key.GetType().IsSerializable)
                throw new ArgumentException("key is not serializable");
            if (!value.GetType().IsSerializable)
                throw new ArgumentException("value is not serializable");
            if ((expiryHint != null) && !expiryHint.GetType().IsSerializable)
                throw new ArgumentException("expiryHint is not serializable");
            if ((evictionHint != null) && !evictionHint.GetType().IsSerializable)
                throw new ArgumentException("evictionHint is not serializable");

            // Cache has possibly expired so do default.
            if (!IsRunning) return; 
           
            CacheEntry e = new CacheEntry(value, expiryHint, evictionHint);
            ////Object size for inproc
            object dataSize = operationContext.GetValueByField(OperationContextFieldName.ValueDataSize);
            if (dataSize != null)
                e.DataSize = Convert.ToInt64(dataSize);
           
            e.QueryInfo = queryInfo;
            e.Flag.Data |= flag.Data;        
            try
            {
                HPTimeStats addTime = new HPTimeStats();
                _context.PerfStatsColl.MsecPerAddBeginSample();
                
                addTime.BeginSample();
                Add(key, e, operationContext);
                addTime.EndSample();
                _context.PerfStatsColl.MsecPerAddEndSample();
            }
            catch (Exception inner)
            {
                throw;
            }
        }
Пример #11
0
        /// <summary>
        /// Adds key and value pairs to the cache. If any of the specified key already exists 
        /// in the cache; it is updated, otherwise a new item is added to the cache.
        /// </summary>
        /// <param name="keys">keys of the entries.</param>
        /// <param name="cacheEntries">the cache entries.</param>
        /// <returns>returns the results for inserted keys</returns>
        public override Hashtable Insert(object[] keys, CacheEntry[] cacheEntries, bool notify, OperationContext operationContext)
        {
            Hashtable retVal = null;

            if (Internal != null)
            {

                retVal = Internal.Insert(keys, cacheEntries, notify, operationContext);
            }
            return retVal;
        }
Пример #12
0
 /// <summary>
 /// Adds a pair of key and value to the cache. If the specified key already exists 
 /// in the cache; it is updated, otherwise a new item is added to the cache.
 /// </summary>
 /// <param name="key">key of the entry.</param>
 /// <param name="cacheEntry">the cache entry.</param>
 /// <returns>returns the result of operation.</returns>
 public override CacheInsResultWithEntry Insert(object key, CacheEntry cacheEntry, bool notify, object lockId, LockAccessType accessType, OperationContext operationContext)
 {
     CacheInsResultWithEntry retVal = new CacheInsResultWithEntry();
     if (Internal != null)
     {
         retVal = Internal.Insert(key, cacheEntry, notify, lockId, accessType, operationContext);
     }
     return retVal;
 }
Пример #13
0
        /// <summary>
        /// Adds key and value pairs to the cache. Throws an exception or returns the
        /// list of keys that already exists in the cache.
        /// </summary>
        /// <param name="keys">key of the entry.</param>
        /// <param name="cacheEntries">the cache entry.</param>
        /// <returns>List of keys that are added or that alredy exists in the cache and their status</returns>
        public override Hashtable Add(object[] keys, CacheEntry[] cacheEntries, bool notify, OperationContext operationContext)
        {
            Hashtable table = new Hashtable();

            if (Internal != null)
            {
                table = Internal.Add(keys, cacheEntries, notify, operationContext);

            }
            return table;
        }
Пример #14
0
 public EventCacheEntry(CacheEntry cacheEntry)
 {
     Priority = (int)cacheEntry.Priority;
 }
Пример #15
0
        /// <summary>
        /// Internal Add operation. Does write-through as well.
        /// </summary>
        public void Add(object key, CacheEntry e, OperationContext operationContext)
        {
            object value = e.Value;
            try
            {
                CacheAddResult result = CacheAddResult.Failure;

                if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("Cache.Add", key as string);

                result = _context.CacheImpl.Add(key, e, true, operationContext);

                switch (result)
                {
                    case CacheAddResult.Failure:
                        break;

                    case CacheAddResult.NeedsEviction:
                        throw new OperationFailedException("The cache is full and not enough items could be evicted.", false);

                    case CacheAddResult.KeyExists:
                        throw new OperationFailedException("The specified key already exists.", false);

                    case CacheAddResult.Success:
                        _context.PerfStatsColl.IncrementAddPerSecStats();
                        break;
                }
            }
            catch (OperationFailedException inner)
            {
                if (inner.IsTracable) _context.NCacheLog.Error("Cache.Add():", inner.ToString());
                throw;
            }
            catch (Exception inner)
            {
                _context.NCacheLog.Error("Cache.Add():", inner.ToString());
                throw new OperationFailedException("Add operation failed. Error : " + inner.Message, inner);
            }
        }
Пример #16
0
        /// <summary>
        /// Creates a new object that is a copy of the current instance. The value is not copied.
        /// </summary>
        /// <returns>A new object that is a copy of this instance without value.</returns>
        public CacheEntry CloneWithoutValue()
        { 
            CacheEntry e = new CacheEntry();
            lock (this)
            {
                e._exh = _exh;
                e._evh = _evh;
                e._bitset = (BitSet)_bitset.Clone();

                e._queryInfo = _queryInfo;
               
                if (this.LockMetaInfo != null)
                {
                    e.LockId = this.LockId;
                    e.LockDate = this.LockDate;
                    e.LockAge = this.LockAge;
                    e.LockExpiration = this.LockExpiration;
                    e.LockMetaInfo.LockManager = this.LockMetaInfo.LockManager;
                }
                e._size = _size;
                e._creationTime = this._creationTime;
                e._lastModifiedTime = this._lastModifiedTime;

                if (this.Value is CallbackEntry)
                {
                    CallbackEntry cbEntry = (CallbackEntry)this.Value;
                    cbEntry = cbEntry.Clone() as CallbackEntry;
                    cbEntry.Value = null;
                    e.Value = cbEntry;
                }
                e._type = _type;
            }

            return e;

        }
Пример #17
0
 /// <summary>
 /// Internal Add operation for bulk additions. Does write-through as well.
 /// </summary>
 private Hashtable Add(object[] keys, CacheEntry[] entries, OperationContext operationContext)
 {
     try
     {
         Hashtable result = new Hashtable();
         result = _context.CacheImpl.Add(keys, entries, true, operationContext);
         if (result != null)
         {
             
             Hashtable tmp = (Hashtable)result.Clone();
             IDictionaryEnumerator ide = tmp.GetEnumerator();
             while (ide.MoveNext())
             {
                 CacheAddResult addResult = CacheAddResult.Failure;
                 if (ide.Value is CacheAddResult)
                 {
                     addResult = (CacheAddResult)ide.Value;
                     switch (addResult)
                     {
                         case CacheAddResult.Failure:
                             break;
                         case CacheAddResult.KeyExists:
                             result[ide.Key] = new OperationFailedException("The specified key already exists.");
                             break;
                         case CacheAddResult.NeedsEviction:
                             result[ide.Key] = new OperationFailedException("The cache is full and not enough items could be evicted.");
                             break;
                         case CacheAddResult.Success:
                             result.Remove(ide.Key);
                             break;
                     }
                 }
             }
         }
         return result;
     }
     catch (OperationFailedException inner)
     {
         if (inner.IsTracable) _context.NCacheLog.Error("Cache.Add():", inner.ToString());
         throw;
     }
     catch (Exception inner)
     {
         _context.NCacheLog.Error("Cache.Add():", inner.ToString());
         throw new OperationFailedException("Add operation failed. Error : " + inner.Message, inner);
     }
 }
Пример #18
0
        internal static void Resize(ref CacheEntry[] array, int newLength)
        {
            if (array == null) return;
            if (array.Length == newLength) return;

            CacheEntry[] copyArray = new CacheEntry[newLength];
            for (int i = 0; i < newLength; i++)
            {
                if (i < array.Length)
                    copyArray[i] = array[i];
                else
                    break;
            }
            array = copyArray;
        }
Пример #19
0
        public void Insert(object key, object value, ExpirationHint expiryHint, EvictionHint evictionHint, Hashtable queryInfo, BitSet flag, OperationContext operationContext)
        {
            if (key == null) throw new ArgumentNullException("key");
            if (value == null) throw new ArgumentNullException("value");

            if (!key.GetType().IsSerializable)
                throw new ArgumentException("key is not serializable");
            if (!value.GetType().IsSerializable)
                throw new ArgumentException("value is not serializable");
            if ((expiryHint != null) && !expiryHint.GetType().IsSerializable)
                throw new ArgumentException("expiryHint is not not serializable");
            if ((evictionHint != null) && !evictionHint.GetType().IsSerializable)
                throw new ArgumentException("evictionHint is not serializable");

            // Cache has possibly expired so do default.
            if (!IsRunning)
                return; 

            CacheEntry e = new CacheEntry(value, expiryHint, evictionHint);

            e.QueryInfo = queryInfo;
            e.Flag.Data |= flag.Data;

          

            // update the counters for various statistics
            try
            {
                CacheEntry clone;
                    clone = e;
                _context.PerfStatsColl.MsecPerUpdBeginSample();
                Insert(key, e, null, LockAccessType.IGNORE_LOCK, operationContext);
                _context.PerfStatsColl.MsecPerUpdEndSample();
            }
            catch (Exception inner)
            {
                _context.NCacheLog.CriticalInfo("Cache.Insert():", inner.ToString());
                throw;
            }
        }
Пример #20
0
        public static CompressedValueEntry CreateCompressedCacheEntry(PoolManager poolmanger, CacheEntry entry)
        {
            CompressedValueEntry compressedEntry = CreateCompressedCacheEntry(poolmanger, entry.Value, entry.Flag, entry.Type);

            compressedEntry.Entry = entry;
            return(compressedEntry);
        }
Пример #21
0
        public void Insert(object key, object value,
                           ExpirationHint expiryHint, EvictionHint evictionHint,
            Hashtable queryInfo, BitSet flag, object lockId, LockAccessType accessType, OperationContext operationContext)
        {
            try
            {
                if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("Cache.Insert", "");
                if (key == null) throw new ArgumentNullException("key");
                if (value == null) throw new ArgumentNullException("value");

                if (!key.GetType().IsSerializable)
                    throw new ArgumentException("key is not serializable");
                if (!value.GetType().IsSerializable)
                    throw new ArgumentException("value is not serializable");
                if ((expiryHint != null) && !expiryHint.GetType().IsSerializable)
                    throw new ArgumentException("expiryHint is not not serializable");
                if ((evictionHint != null) && !evictionHint.GetType().IsSerializable)
                    throw new ArgumentException("evictionHint is not serializable");

                // Cache has possibly expired so do default.
                if (!IsRunning)
                    return; 

                CacheEntry e = new CacheEntry(value, expiryHint, evictionHint);
                e.QueryInfo = queryInfo;
                e.Flag.Data |= flag.Data;

                object dataSize = operationContext.GetValueByField(OperationContextFieldName.ValueDataSize);
                if (dataSize != null)
                    e.DataSize = Convert.ToInt64(dataSize);
          


            /// update the counters for various statistics
            
                _context.PerfStatsColl.MsecPerUpdBeginSample();
                Insert(key, e, lockId, accessType, operationContext);
                _context.PerfStatsColl.MsecPerUpdEndSample();
            }
            catch (Exception inner)
            {
                if (_context.NCacheLog.IsErrorEnabled) _context.NCacheLog.Error("Cache.Insert():", inner.ToString());
                throw;
            }
        }
Пример #22
0
 public EventCacheEntry(CacheEntry cacheEntry)
 {
     Priority = (int)cacheEntry.Priority;
 }
Пример #23
0
        /// <summary>
        /// Internal Insert operation. Does a write thru as well.
        /// </summary>
        private void Insert(object key, CacheEntry e, object lockId, LockAccessType accessType, OperationContext operationContext)
        {
           
            HPTimeStats insertTime = new HPTimeStats();
            insertTime.BeginSample();

            object value = e.Value;
            try
            {
                CacheInsResultWithEntry retVal = CascadedInsert(key, e, true, lockId, accessType, operationContext);
                insertTime.EndSample();

                switch (retVal.Result)
                {
                    case CacheInsResult.Failure:
                        break;

                    case CacheInsResult.NeedsEviction:
                    case CacheInsResult.NeedsEvictionNotRemove:
                       throw new OperationFailedException("The cache is full and not enough items could be evicted.", false);

                    case CacheInsResult.SuccessOverwrite:
                        _context.PerfStatsColl.IncrementUpdPerSecStats();
                        break;
                    case CacheInsResult.Success:
                        _context.PerfStatsColl.IncrementAddPerSecStats();
                        break;
                    case CacheInsResult.ItemLocked:
                        throw new LockingException("Item is locked.");
                }
            }
            catch (OperationFailedException inner)
            {
                if (inner.IsTracable) _context.NCacheLog.Error("Cache.Insert():", inner.ToString());
                throw;
            }
            catch (Exception inner)
            {
                _context.NCacheLog.Error("Cache.Insert():", inner.ToString());
                _context.NCacheLog.CriticalInfo("Cache.Insert():", inner.ToString());

                throw new OperationFailedException("Insert operation failed. Error : " + inner.Message, inner);
            }
        }
Пример #24
0
 /// <summary>
 /// Fill available keys and their relative data
 /// </summary>
 /// <param name="keys"></param>
 /// <param name="entries"></param>
 /// <param name="available"></param>
 /// <param name="data"></param>
 /// <param name="list"></param>
 public static void FillArrays(object[] keys, CacheEntry[] entries, object[] available, CacheEntry[] data, ArrayList list)
 {
     Hashtable table = new Hashtable();
     foreach (object key in list)
     {
         table.Add(key, "");
     }
     FillArrays(keys, entries, available, data, table);
 }
Пример #25
0
        /// <summary>
        /// Overload of Insert operation for bulk inserts. Uses additional EvictionHint and ExpirationHint parameters.
        /// </summary>
        public IDictionary Insert(object[] keys, object[] values, ExpirationHint expiryHint, EvictionHint evictionHint, OperationContext operationContext)
        {

            if (keys == null) throw new ArgumentNullException("keys");
            if (values == null) throw new ArgumentNullException("items");
            if (keys.Length != values.Length)
                throw new ArgumentException("keys count is not equals to values count");

            CacheEntry[] ce = new CacheEntry[values.Length];

            for (int i = 0; i < values.Length; i++)
            {
                object key = keys[i];
                object value = values[i];


                if (key == null) throw new ArgumentNullException("key");
                if (value == null) throw new ArgumentNullException("value");

                if (!key.GetType().IsSerializable)
                    throw new ArgumentException("key is not serializable");
                if (!value.GetType().IsSerializable)
                    throw new ArgumentException("value is not serializable");
                if ((expiryHint != null) && !expiryHint.GetType().IsSerializable)
                    throw new ArgumentException("expiryHint is not not serializable");
                if ((evictionHint != null) && !evictionHint.GetType().IsSerializable)
                    throw new ArgumentException("evictionHint is not serializable");

                // Cache has possibly expired so do default.
                if (!IsRunning) return null; 

                ce[i] = new CacheEntry(value, expiryHint, evictionHint);

            }
            /// update the counters for various statistics
            try
            {
                return Insert(keys, ce, operationContext);
            }
            catch (Exception inner)
            {
                throw;
            }
        }
Пример #26
0
        public static EventCacheEntry CreateCacheEventEntry(EventDataFilter? filter, CacheEntry cacheEntry)
        {
            if (filter != EventDataFilter.None && cacheEntry != null)
            {
                cacheEntry = (CacheEntry)cacheEntry.Clone();
                EventCacheEntry entry = new EventCacheEntry(cacheEntry);
                entry.Flags = cacheEntry.Flag;

                if (filter == EventDataFilter.DataWithMetadata)
                {
                    if (cacheEntry.Value is CallbackEntry)
                    {
                        entry.Value = ((CallbackEntry)cacheEntry.Value).Value;
                    }
                    else
                        entry.Value = cacheEntry.Value;

                }
                return entry;
            }
            return null;
        }
Пример #27
0
        /// <summary>
        /// Overload of Insert operation for bulk inserts. Uses EvictionHint and ExpirationHint arrays.
        /// </summary>
        public IDictionary Insert(object[] keys, object[] values, CallbackEntry[] callbackEnteries,
                                           ExpirationHint[] expirations, EvictionHint[] evictions,
                                           Hashtable[] queryInfos, BitSet[] flags,OperationContext operationContext)
        {
            if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("Cache.InsertBlk", "");

            if (keys == null) throw new ArgumentNullException("keys");
            if (values == null) throw new ArgumentNullException("items");
            if (keys.Length != values.Length) throw new ArgumentException("keys count is not equals to values count");
           

            CacheEntry[] ce = new CacheEntry[values.Length];
            long[] sizes = null;
            object dataSize = operationContext.GetValueByField(OperationContextFieldName.ValueDataSize);
            if (dataSize != null)
            {
                sizes = (long[])dataSize;
            }
            for (int i = 0; i < values.Length; i++)
            {

                if (keys[i] == null) throw new ArgumentNullException("key");
                if (values[i] == null) throw new ArgumentNullException("value");

                if (!keys[i].GetType().IsSerializable)
                    throw new ArgumentException("key is not serializable");
                if (!values[i].GetType().IsSerializable)
                    throw new ArgumentException("value is not serializable");
                if ((expirations[i] != null) && !expirations[i].GetType().IsSerializable)
                    throw new ArgumentException("expiryHint is not not serializable");
                if ((evictions[i] != null) && !evictions[i].GetType().IsSerializable)
                    throw new ArgumentException("evictionHint is not serializable");

                // Cache has possibly expired so do default.
                if (!IsRunning) return null;

                ce[i] = new CacheEntry(values[i], expirations[i], evictions[i]);



                ce[i].QueryInfo = queryInfos[i];
                ce[i].Flag.Data |= flags[i].Data;
                if(sizes != null)
                    ce[i].DataSize = sizes[i];
                if (callbackEnteries[i] != null)
                {
                    CallbackEntry cloned = callbackEnteries[i].Clone() as CallbackEntry;
                    cloned.Value = values[i];
                    cloned.Flag = ce[i].Flag;
                    ce[i].Value = cloned;
                }
            }

            /// update the counters for various statistics
            try
            {
               

                HPTimeStats insertTime = new HPTimeStats();
                insertTime.BeginSample();

                IDictionary result = Insert(keys, ce, operationContext);

                insertTime.EndSample();

                return result;
            }
            catch (Exception inner)
            {
                throw;
            }
        }
Пример #28
0
 public static bool CheckLockCompatibility(CacheEntry existingEntry, CacheEntry newEntry)
 {
     object lockId = null;
     DateTime lockDate = new DateTime();
     if (existingEntry.IsLocked(ref lockId, ref lockDate))
     {
         return existingEntry.LockId.Equals(newEntry.LockId);
     }
     return true;
 }
Пример #29
0
        /// <summary>
        /// Internal Insert operation. Does a write thru as well.
        /// </summary>
        public Hashtable Insert(object[] keys, CacheEntry[] entries, OperationContext operationContext)
        {
            try
            {
                Hashtable result;
                result = CascadedInsert(keys, entries, true, operationContext);
                if (result != null)
                {

                    Hashtable tmp = (Hashtable)result.Clone();
                    IDictionaryEnumerator ide = tmp.GetEnumerator();
                    while (ide.MoveNext())
                    {
                        CacheInsResultWithEntry insResult = null;
                        if (ide.Value is CacheInsResultWithEntry)
                        {
                            insResult = (CacheInsResultWithEntry)ide.Value;
                            switch (insResult.Result)
                            {
                                case CacheInsResult.Failure:
                                    break;

                                case CacheInsResult.NeedsEviction:
                                    result[ide.Key] = new OperationFailedException("The cache is full and not enough items could be evicted.");
                                    break;

                                case CacheInsResult.Success:
                                    result.Remove(ide.Key);
                                    break;

                                case CacheInsResult.SuccessOverwrite:
                                    result.Remove(ide.Key);
                                    break;
                            }
                        }
                    }
                }
                return result;
            }
            catch (OperationFailedException inner)
            {
                if (inner.IsTracable) _context.NCacheLog.Error("Cache.Insert()", inner.ToString());
                throw;
            }
            catch (Exception inner)
            {
                _context.NCacheLog.Error("Cache.Insert()", inner.ToString());
                throw new OperationFailedException("Insert operation failed. Error : " + inner.Message, inner);
            }
        }
Пример #30
0
        public static EventCacheEntry CreateCacheEventEntry(ArrayList listeners, CacheEntry cacheEntry)
        {
            EventCacheEntry entry = null;
            EventDataFilter maxFilter = EventDataFilter.None;
            foreach (CallbackInfo cbInfo in listeners)
            {
                if (cbInfo.DataFilter > maxFilter) maxFilter = cbInfo.DataFilter;
                if (maxFilter == EventDataFilter.DataWithMetadata) break;
            }

            return CreateCacheEventEntry(maxFilter, cacheEntry);
        }
Пример #31
0
        internal CacheInsResultWithEntry CascadedInsert(object key, CacheEntry entry, bool notify, object lockId, LockAccessType accessType, OperationContext operationContext)
        {
  

          CacheInsResultWithEntry result = _context.CacheImpl.Insert(key, entry, notify, lockId, accessType, operationContext);
            return result;
        }
Пример #32
0
 public void UpdateLastModifiedTime(CacheEntry entry)
 {
     lock (this)
     {
         this._creationTime = entry.CreationTime;
     }
 }
Пример #33
0
 internal Hashtable CascadedInsert(object[] keys, CacheEntry[] cacheEntries, bool notify, OperationContext operationContext)
 {
     Hashtable table = _context.CacheImpl.Insert(keys, cacheEntries, notify, operationContext);
     return table;
 }
Пример #34
0
        /// <summary>
        /// Creates a new object that is a copy of the current instance.
        /// </summary>
        /// <returns>A new object that is a copy of this instance.</returns>
        public object Clone()
        {
            CacheEntry e = new CacheEntry(Value, _exh, _evh);

            lock (this)
            {
                e._bitset = (BitSet)_bitset.Clone();
                e.Priority = Priority;

                e._queryInfo = _queryInfo;
                if (this.LockMetaInfo != null)
                {
                    e.LockId = this.LockId;
                    e.LockDate = this.LockDate;
                    e.LockAge = this.LockAge;
                    e.LockExpiration = this.LockExpiration;
                    e.LockMetaInfo.LockManager = this.LockMetaInfo.LockManager;
                }
               
                e._size = _size;
                e._creationTime = this._creationTime;
                e._lastModifiedTime = this._lastModifiedTime;

                e._type = this._type;
            }
            return e;
        }
Пример #35
0
 public void GetEntryClone(CacheEntry cacheEntry, out CacheEntry entry, out Array userPayload, out long payLoadSize)
 {
     entry       = cacheEntry.Clone() as CacheEntry;
     userPayload = null;
     payLoadSize = 0;
 }