public SpanDecorator(ISpan span, ITracer tracer, string operationName, SpanDecoratorHooks hooks)
{
_span = span;
_tracer = tracer;
_operationName = operationName;
_hooks = hooks;
}
public virtual ISpan Start()
{
var span = _spanBuilder.Start();
_hooks.OnSpanStarted(span, _operationName);
var callback = _hooks.OnSpanStartedWithFinishCallback(span, _operationName);
var spanHooks = new SpanDecoratorHooks(_hooks, callback);
var decorator = new SpanDecorator(span, _tracer, _operationName, spanHooks);
ApplyPostponedTags(decorator);
return(decorator);
}