private static IStreamable <Empty, int> CreateSequentialStreamable(int length, MemoryPool <Empty, int> pool)
{
// Construct event batches from input.
var batches = new List <StreamMessage <Empty, int> >();
var batch = StreamMessageManager.GetStreamMessage(pool);
for (int i = 0; i < length; i++)
{
batch.Add(0, DateTimeOffset.MaxValue.UtcTicks, Empty.Default, i);
if (batch.Count == Config.DataBatchSize)
{
batches.Add(batch);
batch = StreamMessageManager.GetStreamMessage(pool);
}
}
if (batch.Count > 0)
{
batches.Add(batch);
}
// Add last CTI of infinity.
// TODO: inline this punctuation
// batches.Add(new StreamMessage<Empty, int>(StreamMessageKind.Punctuation, DateTimeOffset.MaxValue.UtcTicks));
// Convert to IStreamable.
return(batches.ToObservable().CreateStreamable());
}
public bool Get(out StreamMessage <TKey, TPayload> result)
{
if (!this.batchQueue.TryDequeue(out result))
{
result = this.IsColumnar
? StreamMessageManager.GetStreamMessage(this.memoryPool)
: new StreamMessage <TKey, TPayload>(this.memoryPool);
Interlocked.Increment(ref this.createdObjects);
}
return(true);
}
private static IStreamable <Empty, int> CloneInputToStreamable(List <StreamMessage <Empty, int> > inputSequence)
{
// Clone each batch in the input sequence
var batches = new List <StreamMessage <Empty, int> >();
foreach (var inputBatch in inputSequence)
{
var batch = StreamMessageManager.GetStreamMessage(inputBatch.memPool);
batch.CloneFrom(inputBatch);
batches.Add(batch);
}
// Convert the batches to IStreamable.
return(batches.ToObservable().CreateStreamable());
}
private static List <StreamMessage <Empty, int> > CreateInputData(int length, MemoryPool <Empty, int> pool)
{
// Construct event batches from input.
var batches = new List <StreamMessage <Empty, int> >();
var batch = StreamMessageManager.GetStreamMessage(pool);
batch.Allocate();
for (int i = 0; i < length; i++)
{
batch.Add(0, StreamEvent.InfinitySyncTime, Empty.Default, i);
if (batch.Count == Config.DataBatchSize)
{
batches.Add(batch);
batch = StreamMessageManager.GetStreamMessage(pool);
batch.Allocate();
}
}
// Add last CTI of infinity.
batch.AddPunctuation(StreamEvent.InfinitySyncTime);
batches.Add(batch);
return(batches);
}