public void NewData(int streamId, EventBean[] newEvents, EventBean[] oldEvents)
{
IntersectDefaultViewLocalState localState = _factory.GetDefaultViewLocalStatePerThread();
if ((oldEvents == null) || (localState.IsDiscardObserverEvents))
{
return;
}
if (localState.IsRetainObserverEvents)
{
localState.OldEventsPerView[streamId] = oldEvents;
localState.HasRemovestreamData = true;
return;
}
// remove old data from all other views
localState.IsDiscardObserverEvents = true;
try
{
for (int i = 0; i < mViews.Length; i++)
{
if (i != streamId)
{
mViews[i].Update(null, oldEvents);
}
}
}
finally
{
localState.IsDiscardObserverEvents = false;
}
UpdateChildren(null, oldEvents);
}
public override void Update(EventBean[] newData, EventBean[] oldData)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QViewProcessIRStream(this, _factory.ViewName, newData, oldData);
}
IntersectDefaultViewLocalState localState = _factory.GetDefaultViewLocalStatePerThread();
if (newData != null)
{
// new events must go to all views
// old events, such as when removing from a named window, get removed from all views
localState.HasRemovestreamData = false; // changed by observer logic to indicate new data
localState.IsRetainObserverEvents = true; // enable retain logic in observer
try
{
foreach (View view in mViews)
{
view.Update(newData, oldData);
}
}
finally
{
localState.IsRetainObserverEvents = false;
}
// see if any child view has removed any events.
// if there was an insert stream, handle pushed-out events
if (localState.HasRemovestreamData)
{
localState.RemovalEvents.Clear();
// process each buffer
for (int i = 0; i < localState.OldEventsPerView.Length; i++)
{
if (localState.OldEventsPerView[i] == null)
{
continue;
}
EventBean[] viewOldData = localState.OldEventsPerView[i];
localState.OldEventsPerView[i] = null; // clear entry
// add each event to the set of events removed
foreach (EventBean oldEvent in viewOldData)
{
localState.RemovalEvents.Add(oldEvent);
}
localState.IsDiscardObserverEvents = true;
try
{
for (int j = 0; j < mViews.Length; j++)
{
if (i != j)
{
mViews[j].Update(null, viewOldData);
}
}
}
finally
{
localState.IsDiscardObserverEvents = false;
}
}
oldData = localState.RemovalEvents.ToArray();
}
// indicate new and, possibly, old data
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QViewIndicate(this, _factory.ViewName, newData, oldData);
}
UpdateChildren(newData, oldData);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AViewIndicate();
}
}
// handle remove stream
else if (oldData != null)
{
localState.IsDiscardObserverEvents = true; // disable reaction logic in observer
try
{
foreach (View view in mViews)
{
view.Update(null, oldData);
}
}
finally
{
localState.IsDiscardObserverEvents = false;
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QViewIndicate(this, _factory.ViewName, null, oldData);
}
UpdateChildren(null, oldData);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AViewIndicate();
}
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AViewProcessIRStream();
}
}
