Esempio n. 1
0
 internal List<PacketInfoData> Add(PacketInfoData o)
 {
     FormatStartData data = o as FormatStartData;
     if (data != null)
     {
         this.formatStartData = data;
     }
     this.UpdateObjectCount(o);
     if (!this.processingGroup && (o is GroupStartData))
     {
         this.processingGroup = true;
         this.currentObjectCount = 0;
         this.queue.Enqueue(o);
         return null;
     }
     if (this.processingGroup && ((o is GroupEndData) || ((this.objectCount > 0) && (this.currentObjectCount >= this.objectCount))))
     {
         this.currentObjectCount = 0;
         this.queue.Enqueue(o);
         this.Notify();
         this.processingGroup = false;
         List<PacketInfoData> list = new List<PacketInfoData>();
         while (this.queue.Count > 0)
         {
             list.Add(this.queue.Dequeue());
         }
         return list;
     }
     if (this.processingGroup)
     {
         this.queue.Enqueue(o);
         return null;
     }
     return new List<PacketInfoData> { o };
 }
Esempio n. 2
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 private void UpdateObjectCount(PacketInfoData o)
 {
     FormatEntryData data = o as FormatEntryData;
     if ((data != null) && !data.outOfBand)
     {
         this.currentObjectCount++;
     }
 }
Esempio n. 3
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        private void UpdateObjectCount(PacketInfoData o)
        {
            FormatEntryData data = o as FormatEntryData;

            if ((data != null) && !data.outOfBand)
            {
                this.currentObjectCount++;
            }
        }
Esempio n. 4
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        /// <summary>
        /// remove all the objects from the cache.
        /// </summary>
        /// <returns>All the objects that were in the cache.</returns>
        internal List <PacketInfoData> Drain()
        {
            // if neither there,we did not cache at all
            if (_frontEndQueue == null && _groupQueue == null)
            {
                return(null);
            }

            List <PacketInfoData> retVal = new List <PacketInfoData>();

            if (_frontEndQueue != null)
            {
                if (_groupQueue == null)
                {
                    // drain the front queue and return the data
                    while (_frontEndQueue.Count > 0)
                    {
                        retVal.Add(_frontEndQueue.Dequeue());
                    }

                    return(retVal);
                }

                // move from the front to the back queue
                while (_frontEndQueue.Count > 0)
                {
                    List <PacketInfoData> groupQueueOut = _groupQueue.Add(_frontEndQueue.Dequeue());

                    if (groupQueueOut != null)
                    {
                        foreach (PacketInfoData x in groupQueueOut)
                        {
                            retVal.Add(x);
                        }
                    }
                }
            }

            // drain the back queue
            while (true)
            {
                PacketInfoData obj = _groupQueue.Dequeue();

                if (obj == null)
                {
                    break;
                }

                retVal.Add(obj);
            }

            return(retVal);
        }
Esempio n. 5
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 internal List<PacketInfoData> Add(PacketInfoData o)
 {
     if ((this.frontEndQueue == null) && (this.groupQueue == null))
     {
         return new List<PacketInfoData> { o };
     }
     if (this.frontEndQueue != null)
     {
         this.frontEndQueue.Enqueue(o);
         return null;
     }
     return this.groupQueue.Add(o);
 }
Esempio n. 6
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        private void UpdateObjectCount(PacketInfoData o)
        {
            // add only of it's not a control message
            // and it's not out of band
            FormatEntryData fed = o as FormatEntryData;

            if (fed == null || fed.outOfBand)
            {
                return;
            }

            _currentObjectCount++;
        }
        internal void Process(object o)
        {
            PacketInfoData  formatData      = o as PacketInfoData;
            FormatEntryData formatEntryData = formatData as FormatEntryData;

            if (formatEntryData != null)
            {
                OutputContext c = null;
                if (!formatEntryData.outOfBand)
                {
                    c = (OutputContext)this.stack.Peek();
                }
                this.payload(formatEntryData, c);
            }
            else
            {
                bool flag  = formatData is FormatStartData;
                bool flag2 = formatData is GroupStartData;
                if (flag || flag2)
                {
                    OutputContext context2 = this.contextCreation(this.ActiveOutputContext, formatData);
                    this.stack.Push(context2);
                    if (flag)
                    {
                        this.fs(context2);
                    }
                    else if (flag2)
                    {
                        this.gs(context2);
                    }
                }
                else
                {
                    GroupEndData  fe    = formatData as GroupEndData;
                    FormatEndData data4 = formatData as FormatEndData;
                    if ((fe != null) || (data4 != null))
                    {
                        OutputContext context3 = (OutputContext)this.stack.Peek();
                        if (data4 != null)
                        {
                            this.fe(data4, context3);
                        }
                        else if (fe != null)
                        {
                            this.ge(fe, context3);
                        }
                        this.stack.Pop();
                    }
                }
            }
        }
Esempio n. 8
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 internal List <PacketInfoData> Add(PacketInfoData o)
 {
     if ((this.frontEndQueue == null) && (this.groupQueue == null))
     {
         return(new List <PacketInfoData> {
             o
         });
     }
     if (this.frontEndQueue != null)
     {
         this.frontEndQueue.Enqueue(o);
         return(null);
     }
     return(this.groupQueue.Add(o));
 }
Esempio n. 9
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        /// <summary>
        /// add an object to the cache. the behavior depends on the object added, the
        /// objects already in the cache and the cache settings.
        /// </summary>
        /// <param name="o">Object to add.</param>
        /// <returns>List of objects the cache is flushing.</returns>
        internal List <PacketInfoData> Add(PacketInfoData o)
        {
            // if neither there, pass thru
            if (_frontEndQueue == null && _groupQueue == null)
            {
                List <PacketInfoData> retVal = new List <PacketInfoData>();
                retVal.Add(o);
                return(retVal);
            }

            // if front present, add to front
            if (_frontEndQueue != null)
            {
                _frontEndQueue.Enqueue(o);
                return(null);
            }

            // if back only, add to back
            return(_groupQueue.Add(o));
        }
Esempio n. 10
0
        internal List <PacketInfoData> Add(PacketInfoData o)
        {
            FormatStartData data = o as FormatStartData;

            if (data != null)
            {
                this.formatStartData = data;
            }
            this.UpdateObjectCount(o);
            if (!this.processingGroup && (o is GroupStartData))
            {
                this.processingGroup    = true;
                this.currentObjectCount = 0;
                this.queue.Enqueue(o);
                return(null);
            }
            if (this.processingGroup && ((o is GroupEndData) || ((this.objectCount > 0) && (this.currentObjectCount >= this.objectCount))))
            {
                this.currentObjectCount = 0;
                this.queue.Enqueue(o);
                this.Notify();
                this.processingGroup = false;
                List <PacketInfoData> list = new List <PacketInfoData>();
                while (this.queue.Count > 0)
                {
                    list.Add(this.queue.Dequeue());
                }
                return(list);
            }
            if (this.processingGroup)
            {
                this.queue.Enqueue(o);
                return(null);
            }
            return(new List <PacketInfoData> {
                o
            });
        }
        /// <summary>
        /// process an object from an input stream. It manages the context stack and
        /// calls back on the specified event delegates
        /// </summary>
        /// <param name="o">object to process</param>
        internal void Process(object o)
        {
            PacketInfoData  formatData = o as PacketInfoData;
            FormatEntryData fed        = formatData as FormatEntryData;

            if (fed != null)
            {
                OutputContext ctx = null;

                if (!fed.outOfBand)
                {
                    ctx = _stack.Peek();
                }
                //  notify for Payload
                this.payload(fed, ctx);
            }
            else
            {
                bool formatDataIsFormatStartData = formatData is FormatStartData;
                bool formatDataIsGroupStartData  = formatData is GroupStartData;
                // it's one of our formatting messages
                // we assume for the moment that they are in the correct sequence
                if (formatDataIsFormatStartData || formatDataIsGroupStartData)
                {
                    OutputContext oc = this.contextCreation(this.ActiveOutputContext, formatData);
                    _stack.Push(oc);

                    // now we have the context properly set: need to notify the
                    // underlying algorithm to do the start document or group stuff
                    if (formatDataIsFormatStartData)
                    {
                        // notify for Fs
                        this.fs(oc);
                    }
                    else if (formatDataIsGroupStartData)
                    {
                        //GroupStartData gsd = (GroupStartData) formatData;
                        // notify for Gs
                        this.gs(oc);
                    }
                }
                else
                {
                    GroupEndData  ged   = formatData as GroupEndData;
                    FormatEndData fEndd = formatData as FormatEndData;
                    if (ged != null || fEndd != null)
                    {
                        OutputContext oc = _stack.Peek();
                        if (fEndd != null)
                        {
                            // notify for Fe, passing the Fe info, before a Pop()
                            this.fe(fEndd, oc);
                        }
                        else if (ged != null)
                        {
                            // notify for Fe, passing the Fe info, before a Pop()
                            this.ge(ged, oc);
                        }
                        _stack.Pop();
                    }
                }
            }
        }
Esempio n. 12
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        /// <summary>
        /// add an object to the cache.
        /// </summary>
        /// <param name="o">Object to add.</param>
        /// <returns>Objects the cache needs to return. It can be null.</returns>
        internal List <PacketInfoData> Add(PacketInfoData o)
        {
            FormatStartData fsd = o as FormatStartData;

            if (fsd != null)
            {
                // just cache the reference (used during the notification call)
                _formatStartData = fsd;
            }

            UpdateObjectCount(o);

            // STATE TRANSITION: we are not processing and we start
            if (!_processingGroup && (o is GroupStartData))
            {
                // just set the flag and start caching
                _processingGroup    = true;
                _currentObjectCount = 0;

                if (_groupingDuration > TimeSpan.MinValue)
                {
                    _groupingTimer = Stopwatch.StartNew();
                }

                _queue.Enqueue(o);
                return(null);
            }

            // STATE TRANSITION: we are processing and we stop
            if (_processingGroup &&
                ((o is GroupEndData) ||
                 (_objectCount > 0) && (_currentObjectCount >= _objectCount)) ||
                ((_groupingTimer != null) && (_groupingTimer.Elapsed > _groupingDuration))
                )
            {
                // reset the object count
                _currentObjectCount = 0;

                if (_groupingTimer != null)
                {
                    _groupingTimer.Stop();
                    _groupingTimer = null;
                }

                // add object to queue, to be picked up
                _queue.Enqueue(o);

                // we are at the end of a group, drain the queue
                Notify();
                _processingGroup = false;

                List <PacketInfoData> retVal = new List <PacketInfoData>();

                while (_queue.Count > 0)
                {
                    retVal.Add(_queue.Dequeue());
                }

                return(retVal);
            }

            // NO STATE TRANSITION: check the state we are in
            if (_processingGroup)
            {
                // we are in the caching state
                _queue.Enqueue(o);
                return(null);
            }

            // we are not processing, so just return it
            List <PacketInfoData> ret = new List <PacketInfoData>();

            ret.Add(o);
            return(ret);
        }
Esempio n. 13
0
        /// <summary>
        /// add an object to the cache
        /// </summary>
        /// <param name="o">object to add</param>
        /// <returns>objects the cache needs to return. It can be null</returns>
        internal List<PacketInfoData> Add(PacketInfoData o)
        {
            FormatStartData fsd = o as FormatStartData;
            if (fsd != null)
            {
                // just cache the reference (used during the notification call)
                _formatStartData = fsd;
            }

            UpdateObjectCount(o);

            // STATE TRANSITION: we are not processing and we start
            if (!_processingGroup && (o is GroupStartData))
            {
                // just set the flag and start caching
                _processingGroup = true;
                _currentObjectCount = 0;

                if (_groupingDuration > TimeSpan.MinValue)
                {
                    _groupingTimer = Stopwatch.StartNew();
                }

                _queue.Enqueue(o);
                return null;
            }

            // STATE TRANSITION: we are processing and we stop
            if (_processingGroup &&
                ((o is GroupEndData) ||
                (_objectCount > 0) && (_currentObjectCount >= _objectCount)) ||
                ((_groupingTimer != null) && (_groupingTimer.Elapsed > _groupingDuration))
                )
            {
                // reset the object count
                _currentObjectCount = 0;

                if (_groupingTimer != null)
                {
                    _groupingTimer.Stop();
                    _groupingTimer = null;
                }

                // add object to queue, to be picked up
                _queue.Enqueue(o);

                // we are at the end of a group, drain the queue
                Notify();
                _processingGroup = false;

                List<PacketInfoData> retVal = new List<PacketInfoData>();

                while (_queue.Count > 0)
                {
                    retVal.Add(_queue.Dequeue());
                }

                return retVal;
            }

            // NO STATE TRANSITION: check the state we are in
            if (_processingGroup)
            {
                // we are in the caching state
                _queue.Enqueue(o);
                return null;
            }

            // we are not processing, so just return it
            List<PacketInfoData> ret = new List<PacketInfoData>();

            ret.Add(o);
            return ret;
        }
Esempio n. 14
0
        /// <summary>
        /// add an object to the cache. the behavior depends on the object added, the 
        /// objects already in the cache and the cache settings
        /// </summary>
        /// <param name="o">object to add</param>
        /// <returns>list of objects the cache is flushing</returns>
        internal List<PacketInfoData> Add(PacketInfoData o)
        {
            // if neither there, pass thru
            if (_frontEndQueue == null && _groupQueue == null)
            {
                List<PacketInfoData> retVal = new List<PacketInfoData>();
                retVal.Add(o);
                return retVal;
            }

            // if front present, add to front
            if (_frontEndQueue != null)
            {
                _frontEndQueue.Enqueue(o);
                return null;
            }

            // if back only, add to back
            return _groupQueue.Add(o);
        }
Esempio n. 15
0
        private void UpdateObjectCount(PacketInfoData o)
        {
            // add only of it's not a control message
            // and it's not out of band
            FormatEntryData fed = o as FormatEntryData;

            if (fed == null || fed.outOfBand)
                return;

            _currentObjectCount++;
        }