/// <summary>
/// This method updates child views and clears the batch of events. We schedule a
/// new callback at this time if there were events in the batch.
/// </summary>
public void SendBatch()
{
_isCallbackScheduled = false;
// If there are child views and the batch was filled, fireStatementStopped Update method
if (HasViews)
{
// Convert to object arrays
EventBean[] newData = null;
EventBean[] oldData = null;
if (_currentBatch.IsNotEmpty())
{
newData = _currentBatch.ToArray();
}
if ((_lastBatch != null) && (_lastBatch.IsNotEmpty()))
{
oldData = _lastBatch.ToArray();
}
// Post new data (current batch) and old data (prior batch)
if (_viewUpdatedCollection != null)
{
_viewUpdatedCollection.Update(newData, oldData);
}
if ((newData != null) || (oldData != null) || (_isForceOutput))
{
Instrument.With(
i => i.QViewIndicate(this, _timeBatchViewFactory.ViewName, newData, oldData),
i => i.AViewIndicate(),
() => UpdateChildren(newData, oldData));
}
}
// Only if forceOutput is enabled or
// there have been any events in this or the last interval do we schedule a callback,
// such as to not waste resources when no events arrive.
if ((_currentBatch.IsNotEmpty()) || ((_lastBatch != null) && (_lastBatch.IsNotEmpty()))
||
(_isForceOutput))
{
ScheduleCallback();
_isCallbackScheduled = true;
}
_lastBatch = _currentBatch;
_currentBatch = new ArrayDeque <EventBean>();
}
/// <summary>This method updates child views and clears the batch of events. </summary>
protected void SendBatch()
{
// If there are child views and the batch was filled, fireStatementStopped Update method
if (HasViews)
{
// Convert to object arrays
EventBean[] newData = null;
EventBean[] oldData = null;
if (CurrentBatch.IsNotEmpty())
{
newData = CurrentBatch.ToArray();
}
if ((LastBatch != null) && (LastBatch.IsNotEmpty()))
{
oldData = LastBatch.ToArray();
}
// Update view buffer to serve expressions require access to events held
if (_viewUpdatedCollection != null)
{
_viewUpdatedCollection.Update(newData, oldData);
}
// Post new data (current batch) and old data (prior batch)
if ((newData != null) || (oldData != null))
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QViewIndicate(this, _lengthBatchViewFactory.ViewName, newData, oldData);
}
UpdateChildren(newData, oldData);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AViewIndicate();
}
}
}
LastBatch = CurrentBatch;
CurrentBatch = new ArrayDeque <EventBean>();
}
public override void Update(EventBean[] newData, EventBean[] oldData)
{
_oldEvents.Clear();
EventBean[] newDataPosted = null;
// handle remove stream
if (oldData != null)
{
_isDiscardObserverEvents = true; // disable reaction logic in observer
try
{
foreach (View view in _views)
{
view.Update(null, oldData);
}
}
finally
{
_isDiscardObserverEvents = false;
}
for (int i = 0; i < oldData.Length; i++)
{
_oldEvents.Add(oldData[i]);
}
}
if (newData != null)
{
_removalEvents.Clear();
// new events must go to all views
// old events, such as when removing from a named window, get removed from all views
_isHasRemovestreamData = false; // changed by observer logic to indicate new data
_isRetainObserverEvents = true; // enable retain logic in observer
try
{
foreach (View view in _views)
{
_newDataChildView = null;
view.Update(newData, oldData);
// first-X asymetric view post no insert stream for events that get dropped, remove these
if (_newDataChildView != null)
{
for (int i = 0; i < newData.Length; i++)
{
bool found = false;
for (int j = 0; j < _newDataChildView.Length; j++)
{
if (_newDataChildView[i] == newData[i])
{
found = true;
break;
}
}
if (!found)
{
_removalEvents.Add(newData[i]);
}
}
}
else
{
for (int i = 0; i < newData.Length; i++)
{
_removalEvents.Add(newData[i]);
}
}
}
}
finally
{
_isRetainObserverEvents = false;
}
if (_removalEvents.IsNotEmpty())
{
_isDiscardObserverEvents = true;
EventBean[] viewOldData = _removalEvents.ToArray();
try
{
for (int j = 0; j < _views.Length; j++)
{
_views[j].Update(null, viewOldData);
}
}
finally
{
_isDiscardObserverEvents = false;
}
}
// see if any child view has removed any events.
// if there was an insert stream, handle pushed-out events
if (_isHasRemovestreamData)
{
// process each buffer
for (int i = 0; i < _oldEventsPerView.Length; i++)
{
if (_oldEventsPerView[i] == null)
{
continue;
}
EventBean[] viewOldData = _oldEventsPerView[i];
_oldEventsPerView[i] = null; // clear entry
// add each event to the set of events removed
foreach (EventBean oldEvent in viewOldData)
{
_removalEvents.Add(oldEvent);
}
_isDiscardObserverEvents = true;
try
{
for (int j = 0; j < _views.Length; j++)
{
if (i != j)
{
_views[j].Update(null, viewOldData);
}
}
}
finally
{
_isDiscardObserverEvents = false;
}
}
_oldEvents.AddAll(_removalEvents);
}
_newEvents.Clear();
for (int i = 0; i < newData.Length; i++)
{
if (!_removalEvents.Contains(newData[i]))
{
_newEvents.Add(newData[i]);
}
}
if (_newEvents.IsNotEmpty())
{
newDataPosted = _newEvents.ToArray();
}
}
// indicate new and, possibly, old data
EventBean[] oldDataPosted = null;
if (_oldEvents.IsNotEmpty())
{
oldDataPosted = _oldEvents.ToArray();
}
if ((newDataPosted != null) || (oldDataPosted != null))
{
UpdateChildren(newDataPosted, oldDataPosted);
}
_oldEvents.Clear();
}
public override void Update(EventBean[] newData, EventBean[] oldData)
{
// handle remove stream
OneEventCollection oldDataColl = null;
EventBean[] newDataPosted = null;
if (oldData != null)
{
_isDiscardObserverEvents = true; // disable reaction logic in observer
try
{
foreach (var view in _views)
{
view.Update(null, oldData);
}
}
finally
{
_isDiscardObserverEvents = false;
}
// remove from union
foreach (var oldEvent in oldData)
{
_unionWindow.RemoveAll(oldEvent);
}
oldDataColl = new OneEventCollection();
oldDataColl.Add(oldData);
}
// add new event to union
if (newData != null)
{
var removedByView = new bool[newData.Length, _views.Length];
foreach (var newEvent in newData)
{
_unionWindow.Add(newEvent, _views.Length);
}
// new events must go to all views
// old events, such as when removing from a named window, get removed from all views
_isHasRemovestreamData = false; // changed by observer logic to indicate new data
_isRetainObserverEvents = true; // enable retain logic in observer
try
{
for (var viewIndex = 0; viewIndex < _views.Length; viewIndex++)
{
var view = _views[viewIndex];
view.Update(newData, null);
// first-X asymetric view post no insert stream for events that get dropped, remove these
if (_newDataChildView != null)
{
for (var i = 0; i < newData.Length; i++)
{
var found = false;
for (var j = 0; j < _newDataChildView.Length; j++)
{
if (_newDataChildView[i] == newData[i])
{
found = true;
break;
}
}
if (!found)
{
removedByView[i, viewIndex] = true;
}
}
}
else
{
for (var i = 0; i < newData.Length; i++)
{
removedByView[i, viewIndex] = true;
}
}
}
}
finally
{
_isRetainObserverEvents = false;
}
// determine removed events, those that have a "true" in the remove by view index for all views
_removalEvents.Clear();
for (var i = 0; i < newData.Length; i++)
{
var allTrue = true;
for (var j = 0; j < _views.Length; j++)
{
if (!removedByView[i, j])
{
allTrue = false;
break;
}
}
if (allTrue)
{
_removalEvents.Add(newData[i]);
_unionWindow.RemoveAll(newData[i]);
}
}
// remove if any
if (_removalEvents.IsNotEmpty())
{
_isDiscardObserverEvents = true;
var viewOldData = _removalEvents.ToArray();
try
{
for (var j = 0; j < _views.Length; j++)
{
_views[j].Update(null, viewOldData);
}
}
finally
{
_isDiscardObserverEvents = false;
}
}
// see if any child view has removed any events.
// if there was an insert stream, handle pushed-out events
if (_isHasRemovestreamData)
{
IList <EventBean> removedEvents = null;
// process each buffer
for (var i = 0; i < _oldEventsPerView.Length; i++)
{
if (_oldEventsPerView[i] == null)
{
continue;
}
var viewOldData = _oldEventsPerView[i];
_oldEventsPerView[i] = null; // clear entry
// remove events for union, if the last event was removed then add it
foreach (var old in viewOldData)
{
var isNoMoreRef = _unionWindow.Remove(old);
if (isNoMoreRef)
{
if (removedEvents == null)
{
_removalEvents.Clear();
removedEvents = _removalEvents;
}
removedEvents.Add(old);
}
}
}
if (removedEvents != null)
{
if (oldDataColl == null)
{
oldDataColl = new OneEventCollection();
}
foreach (var oldItem in removedEvents)
{
oldDataColl.Add(oldItem);
}
}
}
_newEvents.Clear();
for (var i = 0; i < newData.Length; i++)
{
if (!_removalEvents.Contains(newData[i]))
{
_newEvents.Add(newData[i]);
}
}
if (_newEvents.IsNotEmpty())
{
newDataPosted = _newEvents.ToArray();
}
}
// indicate new and, possibly, old data
if (HasViews && ((newDataPosted != null) || (oldDataColl != null)))
{
UpdateChildren(newDataPosted, oldDataColl != null ? oldDataColl.ToArray() : null);
}
}