本文整理了Java中brave.Tracing.currentTracer()方法的一些代码示例，展示了Tracing.currentTracer()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Tracing.currentTracer()方法的具体详情如下：
包路径：brave.Tracing
类名称：Tracing
方法名：currentTracer

Tracing.currentTracer介绍

[英]Returns the most recently created tracer if its component hasn't been closed. null otherwise.

This object should not be cached.
[中]如果跟踪程序的组件尚未关闭，则返回最近创建的跟踪程序。否则为空。
不应缓存此对象。

代码示例

代码示例来源：origin: openzipkin/brave

Tracer tracer() {
 return tracer != null ? tracer : Tracing.currentTracer();
}

代码示例来源：origin: openzipkin/brave

@Override
 protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
  if (Tracing.currentTracer().currentSpan() == null) {
   throw new IllegalStateException("couldn't read current span!");
  }
  AsyncContext ctx = req.startAsync();
  ctx.start(ctx::complete);
 }
}

代码示例来源：origin: lettuce-io/lettuce-core

@Override
public TraceContext getTraceContext() {
  brave.Tracer tracer = brave.Tracing.currentTracer();
  if (tracer != null) {
    Span span = tracer.currentSpan();
    if (span != null) {
      return new BraveTraceContext(span.context());
    }
  }
  return null;
}

代码示例来源：origin: jeqo/talk-kafka-zipkin

TranslationResource(TranslationRepository repository) {
  this.repository = repository;
  tracer = Tracing.currentTracer();
}

代码示例来源：origin: io.zipkin.brave/brave

Tracer tracer() {
 return tracer != null ? tracer : Tracing.currentTracer();
}

代码示例来源：origin: io.zipkin.brave/brave-instrumentation-http-tests

@Override
 protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
  if (Tracing.currentTracer().currentSpan() == null) {
   throw new IllegalStateException("couldn't read current span!");
  }
  AsyncContext ctx = req.startAsync();
  ctx.start(ctx::complete);
 }
}

代码示例来源：origin: io.lettuce/lettuce-core

@Override
public TraceContext getTraceContext() {
  brave.Tracer tracer = brave.Tracing.currentTracer();
  if (tracer != null) {
    Span span = tracer.currentSpan();
    if (span != null) {
      return new BraveTraceContext(span.context());
    }
  }
  return null;
}