internal Span(ThresholdLoggingTracer tracer, string operationName, ISpanContext parentContext, long startTimestamp, Dictionary <string, object> tags, List <Reference> references)
{
Tracer = tracer;
OperationName = operationName;
_startTimestamp = startTimestamp;
Tags = tags ?? new Dictionary <string, object>();
References = references ?? new List <Reference>();
if (parentContext == null)
{
// new root span
ParentId = null;
Context = new SpanContext(NextTraceId(), NextSpanId(), null);
}
else
{
// sub-span
ParentId = parentContext.SpanId;
Context = new SpanContext(
parentContext.TraceId,
NextSpanId(),
References.SelectMany(x => x.Context.GetBaggageItems())
);
}
}
public SpanBuilder(ThresholdLoggingTracer tracer, string operationName)
{
_tracer = tracer;
_operationName = operationName;
}