private Task <BucketContainer> StartProcessingEventsWithPipeline(
IEventReader reader, IProgress <int> progress)
{
var tcs = new TaskCompletionSource <BucketContainer>();
var thread = new Thread(() =>
{
try
{
var bucketsList = new ResizableArray <Bucket>();
double processedEventsCount = 0;
int bucketCount = 0;
foreach (var bucket in reader.GetAllBuckets())
{
processedEventsCount += bucket.Events.Length;
bucketsList.Add(bucket);
_eventProcessor.ProcessBucket(bucketsList.GetArraySegment(), bucketCount);
if (reader.TotalEventsCount > 0)
{
progress.Report((int)Math.Min(processedEventsCount / reader.TotalEventsCount * 100, 100));
}
bucketCount++;
}
progress.Report(100);
var buckets = bucketsList.ToArray();
bucketsList = null;
var container = new BucketContainer(buckets, reader.FirstTimestamp);
_eventProcessor.Complete(container);
tcs.SetResult(container);
}
catch (TaskCanceledException)
{
tcs.SetCanceled();
}
catch (Exception exc)
{
tcs.SetException(exc);
}
});
thread.Start();
return(tcs.Task);
}