/// <summary>
/// Create a new activity scope.
/// </summary>
/// <param name="activityId">
/// The current activity Id (if any).
/// </param>
/// <param name="previousActivityId">
/// The previous activity Id (if any).
/// </param>
internal ActivityScope(Guid?activityId = null, Guid?previousActivityId = null)
{
_activityId = activityId;
_previousActivityId = previousActivityId;
if (_activityId.HasValue)
{
ActivityCorrelationManager.SetCurrentActivityId(_activityId.Value);
}
else
{
ActivityCorrelationManager.ClearCurrentActivityId();
}
ActivityCorrelationManager.SynchronizeEventSourceActivityIds();
}
/// <summary>
/// Dispose of resources being used by the object.
/// </summary>
protected override void Disposing()
{
// If the correlation manager does not have the expected activity Id, it's safer to not clean up.
if (ActivityCorrelationManager.CurrentActivityId == _activityId)
{
// Restore previous activity Id (if any).
if (_previousActivityId.HasValue)
{
ActivityCorrelationManager.SetCurrentActivityId(_previousActivityId.Value);
}
else
{
ActivityCorrelationManager.ClearCurrentActivityId();
}
ActivityCorrelationManager.SynchronizeEventSourceActivityIds();
}
}