public async Task SetActivityResponseAsync(IActivityResponse activityResponse)
{
if (ReferenceEquals(this._ActivityResponse, activityResponse))
{
return;
}
if (activityResponse is null)
{
throw new ArgumentNullException(nameof(activityResponse));
}
var prev = System.Threading.Interlocked.CompareExchange(ref this._ActivityResponse, activityResponse, null);
if (prev is null)
{
var activityEvent = activityResponse.GetAsActivityEvent(this);
await this.AddActivityEventAsync(activityEvent);
this._ActivityCompletion.TrySetResult(activityResponse);
}
else
{
throw new ArgumentException("already set", nameof(activityResponse));
}
}
