public Tracer.Builder GetTracerBuilder() { if (ReporterConfig == null) { ReporterConfig = new ReporterConfiguration(_loggerFactory); } if (SamplerConfig == null) { SamplerConfig = new SamplerConfiguration(_loggerFactory); } if (CodecConfig == null) { CodecConfig = new CodecConfiguration(_loggerFactory); } if (_metricsFactory == null) { _metricsFactory = NoopMetricsFactory.Instance; } IMetrics metrics = new MetricsImpl(_metricsFactory); IReporter reporter = ReporterConfig.GetReporter(metrics); ISampler sampler = SamplerConfig.GetSampler(ServiceName, metrics); Tracer.Builder builder = new Tracer.Builder(ServiceName) .WithLoggerFactory(_loggerFactory) .WithSampler(sampler) .WithReporter(reporter) .WithMetrics(metrics) .WithTags(_tracerTags); if (UseTraceId128Bit) { builder = builder.WithTraceId128Bit(); } CodecConfig.Apply(builder); return(builder); }