opentelemetry-java/docs/openconsensus/trace/unsafe/ContextUtils.html

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<h2 title="Class ContextUtils" class="title">Class ContextUtils</h2>
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<pre>public final class <span class="typeNameLabel">ContextUtils</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Util methods/functionality to interact with the <code>Context</code>.
<p>Users must interact with the current Context via the public APIs in <a href="../../../openconsensus/trace/Tracer.html" title="interface in openconsensus.trace"><code>Tracer</code></a> and avoid
usages of the <a href="../../../openconsensus/trace/unsafe/ContextUtils.html#CONTEXT_SPAN_KEY"><code>CONTEXT_SPAN_KEY</code></a> directly.</div>
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<td class="colFirst"><code>static <a href="../../../openconsensus/trace/Span.html" title="interface in openconsensus.trace">Span</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../openconsensus/trace/unsafe/ContextUtils.html#getValue-io.grpc.Context-">getValue</a></span>(io.grpc.Context&nbsp;context)</code>
<div class="block">Returns the value from the specified <code>Context</code>.</div>
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<td class="colFirst"><code>static io.grpc.Context</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../openconsensus/trace/unsafe/ContextUtils.html#withValue-io.grpc.Context-openconsensus.trace.Span-">withValue</a></span>(io.grpc.Context&nbsp;context,
<a href="../../../openconsensus/trace/Span.html" title="interface in openconsensus.trace">Span</a>&nbsp;span)</code>
<div class="block">Creates a new <code>Context</code> with the given value set.</div>
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<h4>withValue</h4>
<pre>public static&nbsp;io.grpc.Context&nbsp;withValue(io.grpc.Context&nbsp;context,
<a href="../../../openconsensus/trace/Span.html" title="interface in openconsensus.trace">Span</a>&nbsp;span)</pre>
<div class="block">Creates a new <code>Context</code> with the given value set.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>context</code> - the parent <code>Context</code>.</dd>
<dd><code>span</code> - the value to be set.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a new context with the given value set.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.1.0</dd>
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<h4>getValue</h4>
<pre>public static&nbsp;<a href="../../../openconsensus/trace/Span.html" title="interface in openconsensus.trace">Span</a>&nbsp;getValue(io.grpc.Context&nbsp;context)</pre>
<div class="block">Returns the value from the specified <code>Context</code>.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>context</code> - the specified <code>Context</code>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value from the specified <code>Context</code>.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.1.0</dd>
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