org.springframework.cloud.sleuth.Sampler Java Examples

@Override
@javax.annotation.Nullable
public Span createSpan(String name, /*@Nullable*/ Sampler sampler) {
  String shortenedName = SpanNameUtil.shorten(name);
  Span span;
  if (isTracing()) {
    span = createChild(getCurrentSpan(), shortenedName);
  } else {
    long id = createId();
    span =
        Span.builder()
            .name(shortenedName)
            .traceIdHigh(this.traceId128 ? createTraceIdHigh() : 0L)
            .traceId(id)
            .spanId(id)
            .build();
    if (sampler == null) {
      sampler = this.defaultSampler;
    }
    span = sampledSpan(span, sampler);
    this.spanLogger.logStartedSpan(null, span);
  }
  return continueSpan(span);
}
 

/** Basic constructor holding components for implementing Sleuth's {@link Tracer} interface. */
public OpenCensusSleuthTracer(
    Sampler defaultSampler,
    Random random,
    SpanNamer spanNamer,
    SpanLogger spanLogger,
    SpanReporter spanReporter,
    TraceKeys traceKeys,
    boolean traceId128) {
  this.defaultSampler = defaultSampler;
  this.random = random;
  this.spanNamer = spanNamer;
  this.spanLogger = spanLogger;
  this.spanReporter = spanReporter;
  this.traceId128 = traceId128;
  this.traceKeys = traceKeys != null ? traceKeys : new TraceKeys();
}
 

/** Basic constructor holding components for implementing Sleuth's {@link Tracer} interface. */
public OpenCensusSleuthTracer(
    Sampler defaultSampler,
    Random random,
    SpanNamer spanNamer,
    SpanLogger spanLogger,
    SpanReporter spanReporter,
    TraceKeys traceKeys) {
  this(
      defaultSampler,
      random,
      spanNamer,
      spanLogger,
      spanReporter,
      traceKeys,
      /* traceId128= */ false);
}
 

private static Span sampledSpan(Span span, Sampler sampler) {
  if (!sampler.isSampled(span)) {
    // Copy everything, except set exportable to false
    return Span.builder()
        .begin(span.getBegin())
        .traceIdHigh(span.getTraceIdHigh())
        .traceId(span.getTraceId())
        .spanId(span.getSpanId())
        .name(span.getName())
        .exportable(false)
        .build();
  }
  return span;
}
 

@Bean
@Primary
Tracer openCensusSleuthTracer(
    Sampler sampler,
    Random random,
    SpanNamer spanNamer,
    SpanLogger spanLogger,
    SpanReporter spanReporter,
    TraceKeys traceKeys) {
  return new OpenCensusSleuthTracer(
      sampler, random, spanNamer, spanLogger, spanReporter, traceKeys, /* traceId128= */ true);
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler sampler() {
    return new AlwaysSampler();
}
 

@Bean
public Sampler sampler(){
    return new AlwaysSampler();
}
 

@Bean
public Sampler sampler(){
    return new AlwaysSampler();
}
 

@Bean
public Sampler sampler() {
    return new AlwaysSampler();
}
 

@Bean
public Sampler sampler() {
    return new AlwaysSampler();
}
 

@Bean
Sampler sampler() {
    return span -> true;
}
 

@Bean
public Sampler<?> defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler<?> defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler<?> defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler<?> defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
	return  new AlwaysSampler();
}
 

@Bean
public Sampler defaultSampler() {
  return new AlwaysSampler();
}