public async Task <uint> GetLastKeyAsync(CancellationToken cancel = new CancellationToken())
{
var sw = Stopwatch.StartNew();
try
{
return(await Inner.GetLastKeyAsync(cancel));
}
finally
{
Trace.WriteLine("GetLastKeyAsync " + sw.ElapsedMilliseconds);
}
}
public Task <uint> GetLastKeyAsync(CancellationToken cancel = new CancellationToken()) => Wrapped.GetLastKeyAsync(cancel);
/// <summary> Return the last written sequence in the output stream. </summary>
public async Task <uint> LastWrittenAsync(CancellationToken cancel = default(CancellationToken))
{
return((uint)(_sequence ??
(_sequence = await _driver.GetLastKeyAsync(cancel).ConfigureAwait(false))));
}
/// <see cref="IStorageDriver.GetLastKeyAsync"/> public Task <uint> GetLastKeyAsync(CancellationToken cancel = new CancellationToken()) => _source.GetLastKeyAsync(cancel);