How to use

addScopeDecorator

method

in

brave.propagation.CurrentTraceContext$Builder

@Bean
CurrentTraceContext sleuthCurrentTraceContext(CurrentTraceContext.Builder builder) {
  for (CurrentTraceContext.ScopeDecorator scopeDecorator : this.scopeDecorators) {
    builder.addScopeDecorator(scopeDecorator);
  }
  return builder.build();
}

@Bean
CurrentTraceContext currentTraceContext() {
 return ThreadLocalCurrentTraceContext.newBuilder().addScopeDecorator(MDCScopeDecorator.create()).build();
}

@Bean
CurrentTraceContext sleuthCurrentTraceContext(CurrentTraceContext.Builder builder) {
  for (CurrentTraceContext.ScopeDecorator scopeDecorator : this.scopeDecorators) {
    builder.addScopeDecorator(scopeDecorator);
  }
  return builder.build();
}

.currentTraceContext(
  ThreadLocalCurrentTraceContext.newBuilder()
    .addScopeDecorator(MDCScopeDecorator.create())
    .build())
.localIp(serviceHost)

private Tracing newTracing(String serviceName) {
  Tracing brave = null;
  if (camelContext.isUseMDCLogging()) {
    brave = Tracing.newBuilder()
         .currentTraceContext(ThreadLocalCurrentTraceContext.newBuilder()
         .addScopeDecorator(MDCScopeDecorator.create()).build())        
         .localServiceName(serviceName)
         .sampler(Sampler.create(rate))
         .spanReporter(spanReporter).build();
  } else {
    brave = Tracing.newBuilder()
        .localServiceName(serviceName)
        .sampler(Sampler.create(rate))
        .spanReporter(spanReporter).build();
  }
  return brave;
}

/** Controls aspects of tracing such as the service name that shows up in the UI */
@Bean Tracing tracing(@Value("${spring.application.name}") String serviceName) {
 return Tracing.newBuilder()
   .localServiceName(serviceName)
   .propagationFactory(ExtraFieldPropagation.newFactory(B3Propagation.FACTORY, "user-name"))
   .currentTraceContext(ThreadLocalCurrentTraceContext.newBuilder()
     .addScopeDecorator(MDCScopeDecorator.create()) // puts trace IDs into logs
     .build()
   )
   .spanReporter(spanReporter()).build();
}

@Override public CurrentTraceContext getObject() {
 CurrentTraceContext.Builder builder = ThreadLocalCurrentTraceContext.newBuilder();
 if (scopeDecorators != null) {
  for (ScopeDecorator scopeDecorator : scopeDecorators) {
   builder.addScopeDecorator(scopeDecorator);
  }
 }
 return builder.build();
}

@Override public CurrentTraceContext getObject() {
 CurrentTraceContext.Builder builder = ThreadLocalCurrentTraceContext.newBuilder();
 if (scopeDecorators != null) {
  for (ScopeDecorator scopeDecorator : scopeDecorators) {
   builder.addScopeDecorator(scopeDecorator);
  }
 }
 return builder.build();
}

private static Tracing newTracing(String name) {
  final CurrentTraceContext currentTraceContext =
      RequestContextCurrentTraceContext.newBuilder()
                       .addScopeDecorator(StrictScopeDecorator.create())
                       .build();
  return Tracing.newBuilder()
         .currentTraceContext(currentTraceContext)
         .localServiceName(name)
         .spanReporter(spanReporter)
         .sampler(Sampler.ALWAYS_SAMPLE)
         .build();
}

 public TracedCorrelated() {
  super(Tracing.newBuilder()
    .currentTraceContext(ThreadLocalCurrentTraceContext.newBuilder()
      // intentionally added twice to test overhead of multiple correlations
      .addScopeDecorator(ThreadContextScopeDecorator.create())
      .addScopeDecorator(ThreadContextScopeDecorator.create())
      .build())
    .spanReporter(AsyncReporter.create(new NoopSender()))
    .build());
 }
}