private TracerFactory(TracerBuilder builder)
{
this.sampler = builder.Sampler ?? Samplers.AlwaysSample;
// TODO separate sampler from options
this.configurationOptions =
builder.TracerConfigurationOptions ?? new TracerConfiguration(this.sampler);
// TODO log warning (or throw?) if there is no exporter
this.exporter = builder.SpanExporter ?? new NoopSpanExporter();
this.spanProcessor = builder.ProcessorFactory != null?
builder.ProcessorFactory(this.exporter) :
new BatchingSpanProcessor(this.exporter);
this.binaryFormat = builder.BinaryFormat ?? new BinaryFormat();
this.textFormat = builder.TextFormat ?? new TraceContextFormat();
this.defaultTracer = new Tracer(
this.spanProcessor,
this.configurationOptions,
this.binaryFormat,
this.textFormat,
Resource.Empty);
}
private TracerFactory(TracerBuilder builder)
{
this.sampler = builder.Sampler ?? Samplers.AlwaysSample;
this.defaultResource = builder.Resource;
this.configurationOptions =
builder.TracerConfigurationOptions ?? new TracerConfiguration();
if (builder.ProcessingPipelines == null || !builder.ProcessingPipelines.Any())
{
// if there are no pipelines are configured, use noop processor
this.spanProcessor = new NoopSpanProcessor();
}
else if (builder.ProcessingPipelines.Count == 1)
{
// if there is only one pipeline - use it's outer processor as a
// single processor on the tracer.
var processorFactory = builder.ProcessingPipelines[0];
this.spanProcessor = processorFactory.Build();
}
else
{
// if there are more pipelines, use processor that will broadcast to all pipelines
var processors = new SpanProcessor[builder.ProcessingPipelines.Count];
for (int i = 0; i < builder.ProcessingPipelines.Count; i++)
{
processors[i] = builder.ProcessingPipelines[i].Build();
}
this.spanProcessor = new BroadcastProcessor(processors);
}
this.binaryFormat = builder.BinaryFormat ?? new BinaryFormat();
this.textFormat = builder.TextFormat ?? new TraceContextFormat();
this.defaultTracer = new Tracer(
this.spanProcessor,
this.sampler,
this.configurationOptions,
this.binaryFormat,
this.textFormat,
this.defaultResource);
}
/// <summary>
/// Configures tracing options.
/// </summary>
/// <param name="options">Instance of <see cref="TracerConfiguration"/>.</param>
public TracerBuilder SetTracerOptions(TracerConfiguration options)
{
this.TracerConfigurationOptions = options ?? throw new ArgumentNullException(nameof(options));
return(this);
}