public IList <IQueuedEvent> BatchEvents(IList <IQueuedEvent> eventItems)
{
List <IQueuedEvent> outputEvents;
if (eventItems.Count == 0)
{
outputEvents = new List <IQueuedEvent>(0);
return(outputEvents);
}
if (eventItems.Count == 1)
{
outputEvents = new List <IQueuedEvent>(1);
IQueuedEvent soleEvent = eventItems[0];
outputEvents.Add(soleEvent);
return(outputEvents);
}
outputEvents = new List <IQueuedEvent>();
IList <IQueuedEvent> currentBatchableEvents = new List <IQueuedEvent>();
IList <IQueuedEvent> batchedEvents;
IEventBatcher currentEventBatcher = null;
for (int i = 0, size = eventItems.Count; i < size; i++)
{
IQueuedEvent queuedEvent = eventItems[i];
Object eventObject = queuedEvent.EventObject;
IEventBatcher eventBatcher = typeToBatchersDict.GetExtension(eventObject.GetType());
if (eventBatcher != null)
{
if (currentEventBatcher != null && !eventBatcher.Equals(currentEventBatcher))
{
batchedEvents = BatchEventsIntern(currentBatchableEvents, currentEventBatcher);
if (batchedEvents != null)
{
outputEvents.AddRange(batchedEvents);
}
currentBatchableEvents.Clear();
}
currentEventBatcher = eventBatcher;
currentBatchableEvents.Add(queuedEvent);
continue;
}
batchedEvents = BatchEventsIntern(currentBatchableEvents, currentEventBatcher);
if (batchedEvents != null)
{
outputEvents.AddRange(batchedEvents);
}
currentBatchableEvents.Clear();
currentEventBatcher = null;
outputEvents.Add(queuedEvent);
}
batchedEvents = BatchEventsIntern(currentBatchableEvents, currentEventBatcher);
if (batchedEvents != null)
{
outputEvents.AddRange(batchedEvents);
}
return(outputEvents);
}
public void UnregisterEventBatcher(IEventBatcher eventBatcher, Type eventType)
{
typeToBatchersDict.Unregister(eventBatcher, eventType);
}
protected IList <IQueuedEvent> BatchEventsIntern(IList <IQueuedEvent> currentBatchableEvents, IEventBatcher currentEventBatcher)
{
if (currentBatchableEvents.Count == 0)
{
return(null);
}
if (currentBatchableEvents.Count == 1 || currentEventBatcher == null)
{
List <IQueuedEvent> batchedEvents = new List <IQueuedEvent>(currentBatchableEvents.Count);
batchedEvents.AddRange(currentBatchableEvents);
return(batchedEvents);
}
else
{
return(currentEventBatcher.BatchEvents(currentBatchableEvents));
}
}
