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<li class="navelem"><a class="el" href="namespacegrpc.html">grpc</a></li><li class="navelem"><a class="el" href="classgrpc_1_1_client_writer.html">ClientWriter</a></li>  </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>Synchronous (blocking) client-side API for doing client-streaming RPCs, where the outgoing message stream coming from the client has messages of type <em>W</em>.  
 <a href="classgrpc_1_1_client_writer.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="grpcpp_2impl_2codegen_2channel__interface_8h_source.html">channel_interface.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:a814a24b9a0348055195b3d9e837ae0a1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_writer.html#a814a24b9a0348055195b3d9e837ae0a1">WaitForInitialMetadata</a> ()</td></tr>
<tr class="memdesc:a814a24b9a0348055195b3d9e837ae0a1"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em>ClientStreamingInterface.WaitForInitialMetadata</em> method for semantics.  <a href="#a814a24b9a0348055195b3d9e837ae0a1">More...</a><br /></td></tr>
<tr class="separator:a814a24b9a0348055195b3d9e837ae0a1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad6b1906d4f9cb0a14431aeb310e6674b"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_writer.html#ad6b1906d4f9cb0a14431aeb310e6674b">Write</a> (const W &amp;msg, <a class="el" href="classgrpc_1_1_write_options.html">WriteOptions</a> options) override</td></tr>
<tr class="memdesc:ad6b1906d4f9cb0a14431aeb310e6674b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Block to write <em>msg</em> to the stream with <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options. ">WriteOptions</a> <em>options</em>.  <a href="#ad6b1906d4f9cb0a14431aeb310e6674b">More...</a><br /></td></tr>
<tr class="separator:ad6b1906d4f9cb0a14431aeb310e6674b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab77b5d10da6bd85684bffad7bf32ea63"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_writer.html#ab77b5d10da6bd85684bffad7bf32ea63">WritesDone</a> () override</td></tr>
<tr class="memdesc:ab77b5d10da6bd85684bffad7bf32ea63"><td class="mdescLeft">&#160;</td><td class="mdescRight">Half close writing from the client.  <a href="#ab77b5d10da6bd85684bffad7bf32ea63">More...</a><br /></td></tr>
<tr class="separator:ab77b5d10da6bd85684bffad7bf32ea63"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab6c58e110c289ac0f76ae1fdb8fe24a3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgrpc_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_writer.html#ab6c58e110c289ac0f76ae1fdb8fe24a3">Finish</a> () override</td></tr>
<tr class="memdesc:ab6c58e110c289ac0f76ae1fdb8fe24a3"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the ClientStreamingInterface.Finish method for semantics.  <a href="#ab6c58e110c289ac0f76ae1fdb8fe24a3">More...</a><br /></td></tr>
<tr class="separator:ab6c58e110c289ac0f76ae1fdb8fe24a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_client_streaming_interface.html">grpc::internal::ClientStreamingInterface</a></td></tr>
<tr class="memitem:ab1a7a2664187d88d0354b69138db7eb1 inherit pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_client_streaming_interface.html#ab1a7a2664187d88d0354b69138db7eb1">~ClientStreamingInterface</a> ()</td></tr>
<tr class="separator:ab1a7a2664187d88d0354b69138db7eb1 inherit pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_writer_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_writer_interface.html">grpc::internal::WriterInterface&lt; W &gt;</a></td></tr>
<tr class="memitem:a0f3bb9c5625b43d600d33d2bf8c17b60 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_writer_interface.html#a0f3bb9c5625b43d600d33d2bf8c17b60">~WriterInterface</a> ()</td></tr>
<tr class="separator:a0f3bb9c5625b43d600d33d2bf8c17b60 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a89d051f5c00ede4469cfb216bd05b594 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_writer_interface.html#a89d051f5c00ede4469cfb216bd05b594">Write</a> (const W &amp;msg)</td></tr>
<tr class="memdesc:a89d051f5c00ede4469cfb216bd05b594 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Block to write <em>msg</em> to the stream with default write options.  <a href="classgrpc_1_1internal_1_1_writer_interface.html#a89d051f5c00ede4469cfb216bd05b594">More...</a><br /></td></tr>
<tr class="separator:a89d051f5c00ede4469cfb216bd05b594 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3308bfe1558e317e5fa3530f74c63ce6 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_writer_interface.html#a3308bfe1558e317e5fa3530f74c63ce6">WriteLast</a> (const W &amp;msg, <a class="el" href="classgrpc_1_1_write_options.html">WriteOptions</a> options)</td></tr>
<tr class="memdesc:a3308bfe1558e317e5fa3530f74c63ce6 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Write <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>.  <a href="classgrpc_1_1internal_1_1_writer_interface.html#a3308bfe1558e317e5fa3530f74c63ce6">More...</a><br /></td></tr>
<tr class="separator:a3308bfe1558e317e5fa3530f74c63ce6 inherit pub_methods_classgrpc_1_1internal_1_1_writer_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:aaf47eddb323a45d41fc685be03d970c9"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_writer.html#aaf47eddb323a45d41fc685be03d970c9">internal::ClientWriterFactory&lt; W &gt;</a></td></tr>
<tr class="separator:aaf47eddb323a45d41fc685be03d970c9"><td class="memSeparator" colspan="2">&#160;</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::ClientWriter&lt; W &gt;</h3>

<p>Synchronous (blocking) client-side API for doing client-streaming RPCs, where the outgoing message stream coming from the client has messages of type <em>W</em>. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ab6c58e110c289ac0f76ae1fdb8fe24a3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab6c58e110c289ac0f76ae1fdb8fe24a3">&#9670;&nbsp;</a></span>Finish()</h2>

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template&lt;class W&gt; </div>
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          <td class="memname"><a class="el" href="classgrpc_1_1_status.html">Status</a> <a class="el" href="classgrpc_1_1_client_writer.html">grpc::ClientWriter</a>&lt; W &gt;::Finish </td>
          <td>(</td>
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<p>See the ClientStreamingInterface.Finish method for semantics. </p>
<p>Side effects:</p><ul>
<li>Also receives initial metadata if not already received.</li>
<li>Attempts to fill in the <em>response</em> parameter passed to the constructor of this instance with the response message from the server. </li>
</ul>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_client_streaming_interface.html#a47321b8c130947bcef5c793329a54619">grpc::internal::ClientStreamingInterface</a>.</p>

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<a id="a814a24b9a0348055195b3d9e837ae0a1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a814a24b9a0348055195b3d9e837ae0a1">&#9670;&nbsp;</a></span>WaitForInitialMetadata()</h2>

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template&lt;class W&gt; </div>
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          <td class="memname">void <a class="el" href="classgrpc_1_1_client_writer.html">grpc::ClientWriter</a>&lt; W &gt;::WaitForInitialMetadata </td>
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<p>See the <em>ClientStreamingInterface.WaitForInitialMetadata</em> method for semantics. </p>
<p>Once complete, the initial metadata read from the server will be accessable through the <em><a class="el" href="classgrpc_1_1_client_context.html" title="A ClientContext allows the person implementing a service client to: ">ClientContext</a></em> used to construct this object. </p>

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<a id="ad6b1906d4f9cb0a14431aeb310e6674b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad6b1906d4f9cb0a14431aeb310e6674b">&#9670;&nbsp;</a></span>Write()</h2>

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template&lt;class W&gt; </div>
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          <td class="memname">bool <a class="el" href="classgrpc_1_1_client_writer.html">grpc::ClientWriter</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">WriteOptions</a>&#160;</td>
          <td class="paramname"><em>options</em>&#160;</td>
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          <td>)</td>
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<p>Block to write <em>msg</em> to the stream with <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options. ">WriteOptions</a> <em>options</em>. </p>
<p>This is thread-safe with respect to <em>ReaderInterface::Read</em> </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">msg</td><td>The message to be written to the stream. </td></tr>
    <tr><td class="paramname">options</td><td>The <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options. ">WriteOptions</a> affecting the write operation.</td></tr>
  </table>
  </dd>
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<dl class="section return"><dt>Returns</dt><dd><em>true</em> on success, <em>false</em> when the stream has been closed. </dd></dl>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_writer_interface.html#add3e3940ba338ab08705ea69d017a80b">grpc::internal::WriterInterface&lt; W &gt;</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab77b5d10da6bd85684bffad7bf32ea63">&#9670;&nbsp;</a></span>WritesDone()</h2>

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<p>Half close writing from the client. </p>
<p>(signal that the stream of messages coming from the client is complete). Blocks until currently-pending writes are completed. Thread safe with respect to <em>ReaderInterface::Read</em> operations only</p>
<dl class="section return"><dt>Returns</dt><dd>Whether the writes were successful. </dd></dl>

<p>Implements <a class="el" href="classgrpc_1_1_client_writer_interface.html#aff19574252338e9ac1b5446e82ed8ac5">grpc::ClientWriterInterface&lt; W &gt;</a>.</p>

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<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="aaf47eddb323a45d41fc685be03d970c9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aaf47eddb323a45d41fc685be03d970c9">&#9670;&nbsp;</a></span>internal::ClientWriterFactory< W ></h2>

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          <td class="memname">friend class <a class="el" href="classgrpc_1_1internal_1_1_client_writer_factory.html">internal::ClientWriterFactory</a>&lt; W &gt;</td>
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<span class="mlabels"><span class="mlabel">friend</span></span>  </td>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2channel__interface_8h_source.html">channel_interface.h</a></li>
<li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2sync__stream_8h_source.html">sync_stream.h</a></li>
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