/// <summary>
/// Creates the batch.
/// </summary>
/// <param name="hubClient">The hub client.</param>
/// <param name="options">The options.</param>
/// <returns>ActionBlock<IEnumerable<System.Byte[]>>.</returns>
public static ActionBlock<IEnumerable<byte[]>> CreateBatch(EventHubClient hubClient, ExecutionDataflowBlockOptions options)
{
return new ActionBlock<IEnumerable<byte[]>>(async batch =>
{
var size = 0;
var output = batch.Select(data => {
//var index = Array.IndexOf(data, (byte)'>');
//var key = index < 0 ? null : Encoding.UTF8.GetString(data, 0, index);
size += data.Length;
return new EventData(data);// { PartitionKey = key };
}).ToList();
Logger.Debug("Sending {Count} events ({Size} bytes)", output.Count, size);
using (Logger.BeginTimedOperation("SendBatch (" + output.Count + ")", null, LogEventLevel.Debug))
await Task.WhenAll(output.GroupBy(x => x.PartitionKey).Select(x => hubClient.SendPartitionedBatchAsync(x, true)));
}, options);
}
