218 lines
8.7 KiB
HTML
218 lines
8.7 KiB
HTML
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<title>Class DeserializationContext
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<article class="content wrap" id="_content" data-uid="Grpc.Core.DeserializationContext">
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<h1 id="Grpc_Core_DeserializationContext" data-uid="Grpc.Core.DeserializationContext" class="text-break">Class DeserializationContext
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</h1>
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<div class="markdown level0 summary"><p>Provides access to the payload being deserialized when deserializing messages.</p>
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</div>
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<div class="markdown level0 conceptual"></div>
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<div class="inheritance">
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<h5>Inheritance</h5>
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<div class="level0"><span class="xref">System.Object</span></div>
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<div class="level1"><span class="xref">DeserializationContext</span></div>
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<h5>Inherited Members</h5>
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<h6><strong>Namespace</strong>: <a class="xref" href="Grpc.Core.html">Grpc.Core</a></h6>
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<h6><strong>Assembly</strong>: Grpc.Core.Api.dll</h6>
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<h5 id="Grpc_Core_DeserializationContext_syntax">Syntax</h5>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public abstract class DeserializationContext</code></pre>
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</div>
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<h3 id="properties">Properties
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</h3>
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<a id="Grpc_Core_DeserializationContext_PayloadLength_" data-uid="Grpc.Core.DeserializationContext.PayloadLength*"></a>
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<h4 id="Grpc_Core_DeserializationContext_PayloadLength" data-uid="Grpc.Core.DeserializationContext.PayloadLength">PayloadLength</h4>
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<div class="markdown level1 summary"><p>Get the total length of the payload in bytes.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<h5 class="decalaration">Declaration</h5>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public abstract int PayloadLength { get; }</code></pre>
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</div>
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<h5 class="propertyValue">Property Value</h5>
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<table class="table table-bordered table-striped table-condensed">
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<thead>
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<tr>
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<th>Type</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><span class="xref">System.Int32</span></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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<h3 id="methods">Methods
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</h3>
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<a id="Grpc_Core_DeserializationContext_PayloadAsNewBuffer_" data-uid="Grpc.Core.DeserializationContext.PayloadAsNewBuffer*"></a>
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<h4 id="Grpc_Core_DeserializationContext_PayloadAsNewBuffer" data-uid="Grpc.Core.DeserializationContext.PayloadAsNewBuffer">PayloadAsNewBuffer()</h4>
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<div class="markdown level1 summary"><p>Gets the entire payload as a newly allocated byte array.
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Once the byte array is returned, the byte array becomes owned by the caller and won't be ever accessed or reused by gRPC again.
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NOTE: Obtaining the buffer as a newly allocated byte array is the simplest way of accessing the payload,
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but it can have important consequences in high-performance scenarios.
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In particular, using this method usually requires copying of the entire buffer one extra time.
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Also, allocating a new buffer each time can put excessive pressure on GC, especially if
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the payload is more than 86700 bytes large (which means the newly allocated buffer will be placed in LOH,
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and LOH object can only be garbage collected via a full ("stop the world") GC run).
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NOTE: Deserializers are expected not to call this method more than once per received message
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(as there is no practical reason for doing so) and <code>DeserializationContext</code> implementations are free to assume so.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<h5 class="decalaration">Declaration</h5>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public virtual byte[] PayloadAsNewBuffer()</code></pre>
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</div>
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<h5 class="returns">Returns</h5>
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<table class="table table-bordered table-striped table-condensed">
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<thead>
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<tr>
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<th>Type</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><span class="xref">System.Byte</span>[]</td>
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<td><p>byte array containing the entire payload.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</article>
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