ParentId

string? System.Diagnostics.Activity.ParentId

get

Definition at line 404 of file Activity.cs.

    {
        get
        {
            if (_parentId == null)
            {
                if (_parentSpanId != null)
                {
                    Span<char> buffer = stackalloc char[2];
                    System.HexConverter.ToCharsBuffer((byte)(0xFFFFFF7Fu & _parentTraceFlags), buffer, 0, System.HexConverter.Casing.Lower);
                    string value = "00-" + _traceId + "-" + _parentSpanId + "-" + buffer;
                    Interlocked.CompareExchange(ref _parentId, value, null);
                }
                else if (Parent != null)
                {
                    Interlocked.CompareExchange(ref _parentId, Parent.Id, null);
                }
            }
            return _parentId;
        }
    }

Referenced by System.Diagnostics.Activity.GenerateHierarchicalId(), System.Diagnostics.Activity.SetParentId(), and System.Diagnostics.Activity.SetParentId().