public ZipkinSpan(
ZipkinTracer tracer,
ZipkinSpanContext context,
string operationName,
DateTime?startTimestamp)
: base(tracer, context, operationName, startTimestamp)
{
_endpoint = tracer.Endpoint;
}
public ZipkinSpanBuilder(ZipkinTracer tracer, string operationName)
: base(operationName)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
_tracer = tracer;
}