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<div class="title">grpc::internal::AsyncWriterInterface&lt; W &gt; Class Template Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div>  </div>
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<p>An interface that can be fed a sequence of messages of type <em>W</em>.  
 <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="grpcpp_2impl_2codegen_2async__stream_8h_source.html">async_stream.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a8ad846091252c112c4db0b41965e5a4c"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#a8ad846091252c112c4db0b41965e5a4c">~AsyncWriterInterface</a> ()</td></tr>
<tr class="separator:a8ad846091252c112c4db0b41965e5a4c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa61e21fdfef0a4fb34f595bef767e6a8"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#aa61e21fdfef0a4fb34f595bef767e6a8">Write</a> (const W &amp;msg, void *tag)=0</td></tr>
<tr class="memdesc:aa61e21fdfef0a4fb34f595bef767e6a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the writing of <em>msg</em> with identifying tag <em>tag</em>.  <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#aa61e21fdfef0a4fb34f595bef767e6a8">More...</a><br /></td></tr>
<tr class="separator:aa61e21fdfef0a4fb34f595bef767e6a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9fef3a3ceb6be3a140ef4a8ad33c6c75"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#a9fef3a3ceb6be3a140ef4a8ad33c6c75">Write</a> (const W &amp;msg, ::<a class="el" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options, void *tag)=0</td></tr>
<tr class="memdesc:a9fef3a3ceb6be3a140ef4a8ad33c6c75"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the writing of <em>msg</em> using <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> with identifying tag <em>tag</em>.  <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#a9fef3a3ceb6be3a140ef4a8ad33c6c75">More...</a><br /></td></tr>
<tr class="separator:a9fef3a3ceb6be3a140ef4a8ad33c6c75"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8dbc8f388cb8e79f587b821fd7d64ce7"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#a8dbc8f388cb8e79f587b821fd7d64ce7">WriteLast</a> (const W &amp;msg, ::<a class="el" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options, void *tag)</td></tr>
<tr class="memdesc:a8dbc8f388cb8e79f587b821fd7d64ce7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the writing of <em>msg</em> and coalesce it with the writing of trailing metadata, using <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> with identifying tag <em>tag</em>.  <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#a8dbc8f388cb8e79f587b821fd7d64ce7">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;class W&gt;<br />
class grpc::internal::AsyncWriterInterface&lt; W &gt;</h3>

<p>An interface that can be fed a sequence of messages of type <em>W</em>. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a8ad846091252c112c4db0b41965e5a4c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8ad846091252c112c4db0b41965e5a4c">&#9670;&nbsp;</a></span>~AsyncWriterInterface()</h2>

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template&lt;class W &gt; </div>
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          <td class="memname">virtual <a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html">grpc::internal::AsyncWriterInterface</a>&lt; W &gt;::~<a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html">AsyncWriterInterface</a> </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a9fef3a3ceb6be3a140ef4a8ad33c6c75">&#9670;&nbsp;</a></span>Write() <span class="overload">[1/2]</span></h2>

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          <td class="memname">virtual void <a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html">grpc::internal::AsyncWriterInterface</a>&lt; W &gt;::Write </td>
          <td>(</td>
          <td class="paramtype">const W &amp;&#160;</td>
          <td class="paramname"><em>msg</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">::<a class="el" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a>&#160;</td>
          <td class="paramname"><em>options</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span>  </td>
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<p>Request the writing of <em>msg</em> using <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> with identifying tag <em>tag</em>. </p>
<p>Only one write may be outstanding at any given time. This means that after calling Write, one must wait to receive <em>tag</em> from the completion queue BEFORE calling Write again. <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> is used to set the write options of this message. This is thread-safe with respect to <em><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70" title="Read a message of type R into msg.">AsyncReaderInterface::Read</a></em> </p>
<p>gRPC doesn't take ownership or a reference to <em>msg</em>, so it is safe to to deallocate once Write returns.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>The message to be written. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">options</td><td>The <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> to be used to write this message. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>The tag identifying the operation. </td></tr>
  </table>
  </dd>
</dl>

<p>Implemented in <a class="el" href="classgrpc_1_1_server_async_reader_writer.html#a055172e5de82fe91aebf83aefb7dfa62">grpc::ServerAsyncReaderWriter&lt; W, R &gt;</a>, <a class="el" href="classgrpc_1_1_server_async_writer.html#a4ef42894ef7bc69f6b00fec798b6cf1d">grpc::ServerAsyncWriter&lt; W &gt;</a>, <a class="el" href="classgrpc_1_1_client_async_reader_writer.html#a65e446f92d97e2e6bb79f420d485c683">grpc::ClientAsyncReaderWriter&lt; W, R &gt;</a>, and <a class="el" href="classgrpc_1_1_client_async_writer.html#a1991aca74e32523932432c6486b91a09">grpc::ClientAsyncWriter&lt; W &gt;</a>.</p>

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<a id="aa61e21fdfef0a4fb34f595bef767e6a8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa61e21fdfef0a4fb34f595bef767e6a8">&#9670;&nbsp;</a></span>Write() <span class="overload">[2/2]</span></h2>

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template&lt;class W &gt; </div>
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          <td class="memname">virtual void <a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html">grpc::internal::AsyncWriterInterface</a>&lt; W &gt;::Write </td>
          <td>(</td>
          <td class="paramtype">const W &amp;&#160;</td>
          <td class="paramname"><em>msg</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span>  </td>
  </tr>
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</div><div class="memdoc">

<p>Request the writing of <em>msg</em> with identifying tag <em>tag</em>. </p>
<p>Only one write may be outstanding at any given time. This means that after calling Write, one must wait to receive <em>tag</em> from the completion queue BEFORE calling Write again. This is thread-safe with respect to <em><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70" title="Read a message of type R into msg.">AsyncReaderInterface::Read</a></em> </p>
<p>gRPC doesn't take ownership or a reference to <em>msg</em>, so it is safe to to deallocate once Write returns.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>The message to be written. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>The tag identifying the operation. </td></tr>
  </table>
  </dd>
</dl>

<p>Implemented in <a class="el" href="classgrpc_1_1_server_async_reader_writer.html#a816fd9065473a24d4ab613ee2ecb19e1">grpc::ServerAsyncReaderWriter&lt; W, R &gt;</a>, <a class="el" href="classgrpc_1_1_server_async_writer.html#a467f70c7460ceb7738fb938b3bf93c85">grpc::ServerAsyncWriter&lt; W &gt;</a>, <a class="el" href="classgrpc_1_1_client_async_reader_writer.html#a07bcc3a0737c3bee3ef50def89af5fc7">grpc::ClientAsyncReaderWriter&lt; W, R &gt;</a>, and <a class="el" href="classgrpc_1_1_client_async_writer.html#a0e981b6dcce663e655edf305573f2f30">grpc::ClientAsyncWriter&lt; W &gt;</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a8dbc8f388cb8e79f587b821fd7d64ce7">&#9670;&nbsp;</a></span>WriteLast()</h2>

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template&lt;class W &gt; </div>
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  <td class="mlabels-left">
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          <td class="memname">void <a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html">grpc::internal::AsyncWriterInterface</a>&lt; W &gt;::WriteLast </td>
          <td>(</td>
          <td class="paramtype">const W &amp;&#160;</td>
          <td class="paramname"><em>msg</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">::<a class="el" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a>&#160;</td>
          <td class="paramname"><em>options</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<p>Request the writing of <em>msg</em> and coalesce it with the writing of trailing metadata, using <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> with identifying tag <em>tag</em>. </p>
<p>For client, WriteLast is equivalent of performing Write and WritesDone in a single step. For server, WriteLast buffers the <em>msg</em>. The writing of <em>msg</em> is held until Finish is called, where <em>msg</em> and trailing metadata are coalesced and write is initiated. Note that WriteLast can only buffer <em>msg</em> up to the flow control window size. If <em>msg</em> size is larger than the window size, it will be sent on wire without buffering.</p>
<p>gRPC doesn't take ownership or a reference to <em>msg</em>, so it is safe to to deallocate once Write returns.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>The message to be written. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">options</td><td>The <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> to be used to write this message. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>The tag identifying the operation. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2async__stream_8h_source.html">async_stream.h</a></li>
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