private async Task LogMetrics(string sourceLabel, long itemIndex, bool isCompleted, double rollingTiming)
{
if (itemIndex == -1 || isCompleted)
{
await StdOut.WriteLineAsync(string.Format("{0}@{4}-{5:N}: itemIndex = {1}, isCompleted = {2}, rollingTiming = {3}", sourceLabel, itemIndex, isCompleted, rollingTiming, Environment.CurrentManagedThreadId, this.ComponentId));
}
if (isCompleted && itemIndex == 0)
{
throw new InvalidOperationException();
}
}
private async Task DisposeAsync()
{
await StdOut.WriteLineAsync(string.Format("{0}::{1}", nameof(AsyncDisposal), nameof(this.DisposeAsync)));
await this.Disposable.DisposeAsync(this.CancellationToken);
}