private Trace()
{
var traceId = RandomUtils.NextLong();
var spanId = RandomUtils.NextLong();
var isSampled = TraceManager.Sampler.Sample(traceId);
var flags = SpanFlags.SamplingKnown;
if (isSampled)
{
flags = flags | SpanFlags.Sampled;
}
CurrentSpan = new SpanState(traceId: traceId, parentSpanId: null, spanId: spanId, flags: flags);
CorrelationId = NumberUtils.LongToGuid(traceId);
}
/// <summary>
/// Creates a derived trace which inherits from
/// the trace id and flags.
/// It has a new span id and the parent id set to the current span id.
/// </summary>
/// <returns></returns>
public Trace Child()
{
var childState = new SpanState(traceId: CurrentSpan.TraceId, parentSpanId: CurrentSpan.SpanId, spanId: RandomUtils.NextLong(), flags: CurrentSpan.Flags);
return(new Trace(childState));
}
private Trace(SpanState spanState)
{
CurrentSpan = spanState;
CorrelationId = NumberUtils.LongToGuid(CurrentSpan.TraceId);
}
/// <summary>
/// Creates a trace from an existing span state.
/// </summary>
/// <param name="spanState"></param>
/// <returns></returns>
public static Trace CreateFromId(SpanState spanState)
{
return(new Trace(spanState));
}
public Record(SpanState spanState, DateTime timestamp, IAnnotation annotation)
{
_spanState = spanState;
_timestamp = timestamp;
_annotation = annotation;
}
