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buildmaster
2018-04-08 09:29:08 +00:00
parent 812ce1d751
commit aade6c9ac3
4 changed files with 18 additions and 18 deletions
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@@ -14,8 +14,8 @@ If you wish to disable this, set <code class="literal">spring.sleuth.opentracing
}
};
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Manual `TraceRunnable` creation with explicit "calculateTax" Span name</span>
Runnable traceRunnable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceRunnable(tracer, spanNamer, errorParser,
runnable, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>);
Runnable traceRunnable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceRunnable(tracing, spanNamer, runnable,
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Wrapping `Runnable` with `Tracing`. That way the current span will be available</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// in the thread of `Runnable`</span>
Runnable traceRunnableFromTracer = tracing.currentTraceContext().wrap(runnable);</pre><p>The following example shows how to do so for <code class="literal">Callable</code>:</p><pre class="programlisting">Callable&lt;String&gt; callable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Callable&lt;String&gt;() {
@@ -30,8 +30,8 @@ Runnable traceRunnableFromTracer = tracing.currentTraceContext().wrap(runnable);
}
};
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Manual `TraceCallable` creation with explicit "calculateTax" Span name</span>
Callable&lt;String&gt; traceCallable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceCallable&lt;&gt;(tracer, spanNamer, errorParser,
callable, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>);
Callable&lt;String&gt; traceCallable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceCallable&lt;&gt;(tracing, spanNamer, callable,
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Wrapping `Callable` with `Tracing`. That way the current span will be available</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// in the thread of `Callable`</span>
Callable&lt;String&gt; traceCallableFromTracer = tracing.currentTraceContext().wrap(callable);</pre><p>That way, you ensure that a new span is created and closed for each execution.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_hystrix" href="#_hystrix"></a>15.3&nbsp;Hystrix</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_custom_concurrency_strategy" href="#_custom_concurrency_strategy"></a>15.3.1&nbsp;Custom Concurrency Strategy</h3></div></div></div><p>We register a custom <a class="link" href="https://github.com/Netflix/Hystrix/wiki/Plugins#concurrencystrategy" target="_top"><code class="literal">HystrixConcurrencyStrategy</code></a> called <code class="literal">TraceCallable</code> that wraps all <code class="literal">Callable</code> instances in their Sleuth representative.