internal static Activity CreateActivity(Guid newGuid, bool emitTransfer)
{
Activity retval = null;
if (DiagnosticTrace.ShouldCorrelate &&
(newGuid != Guid.Empty) &&
(newGuid != DiagnosticTrace.GetActivityId()))
{
retval = new Activity(ref newGuid, emitTransfer);
}
return(retval);
}
private Activity(ref Guid newGuid, bool emitTransfer)
{
_emitTransfer = emitTransfer;
if (DiagnosticTrace.ShouldCorrelate && newGuid != Guid.Empty)
{
_newGuid = newGuid;
_oldGuid = DiagnosticTrace.GetActivityId();
if (_oldGuid != newGuid)
{
_mustDispose = true;
if (_emitTransfer)
{
DiagnosticTrace.TraceTransfer(newGuid);
}
DiagnosticTrace.SetActivityId(newGuid);
}
}
}