本文整理了Java中org.apache.htrace.core.Tracer.sample()方法的一些代码示例，展示了Tracer.sample()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。Tracer.sample()方法的具体详情如下：
包路径：org.apache.htrace.core.Tracer
类名称：Tracer
方法名：sample

Tracer.sample介绍

[英]Return true if we should create a new top-level span. We will create the span if any configured sampler returns true.
[中]如果要创建新的顶级跨度，则返回true。如果任何配置的采样器返回true，我们将创建span。

代码示例

代码示例来源：origin: org.apache.htrace/htrace-core

/**
 * Create a new trace scope.
 *
 * If there are no scopes above the current scope, we will apply our
 * configured samplers.  Otherwise, we will create a span only if this thread
 * is already tracing.
 */
public TraceScope newScope(String description) {
 TraceScope parentScope = threadLocalScope.get();
 ThreadContext context = threadContext.get();
 if (parentScope != null) {
  return newScopeImpl(context, description, parentScope);
 }
 if (!context.isTopLevel()) {
  context.pushScope();
  return nullScope;
 }
 if (!sample()) {
  context.pushScope();
  return nullScope;
 }
 return newScopeImpl(context, description);
}

代码示例来源：origin: apache/incubator-htrace

/**
 * Create a new trace scope.
 *
 * If there are no scopes above the current scope, we will apply our
 * configured samplers. Otherwise, we will create a trace Span only if this thread
 * is already tracing.
 * @param description         The description of the new span to create.
 * @return                    The new trace scope.
 */
public TraceScope newScope(String description) {
 TraceScope parentScope = threadLocalScope.get();
 ThreadContext context = threadContext.get();
 if (parentScope != null) {
  return newScopeImpl(context, description, parentScope);
 }
 if (!context.isTopLevel()) {
  context.pushScope();
  return nullScope;
 }
 if (!sample()) {
  context.pushScope();
  return nullScope;
 }
 return newScopeImpl(context, description);
}

代码示例来源：origin: org.apache.htrace/htrace-core4

/**
 * Create a new trace scope.
 *
 * If there are no scopes above the current scope, we will apply our
 * configured samplers. Otherwise, we will create a trace Span only if this thread
 * is already tracing.
 * @param description         The description of the new span to create.
 * @return                    The new trace scope.
 */
public TraceScope newScope(String description) {
 TraceScope parentScope = threadLocalScope.get();
 ThreadContext context = threadContext.get();
 if (parentScope != null) {
  return newScopeImpl(context, description, parentScope);
 }
 if (!context.isTopLevel()) {
  context.pushScope();
  return nullScope;
 }
 if (!sample()) {
  context.pushScope();
  return nullScope;
 }
 return newScopeImpl(context, description);
}

代码示例来源：origin: org.apache.htrace/htrace-core4

return nullScope;
if (!sample()) {
 context.pushScope();
 return nullScope;

代码示例来源：origin: apache/incubator-htrace

return nullScope;
if (!sample()) {
 context.pushScope();
 return nullScope;

代码示例来源：origin: org.apache.htrace/htrace-core

return nullScope;
if (!sample()) {
 context.pushScope();
 return nullScope;