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<div class="header">
  <div class="summary">
<a href="#pub-methods">Instance Methods</a> &#124;
<a href="#properties">Properties</a>  </div>
  <div class="headertitle">
<div class="title">&lt;GRPCProtoResponseHandler&gt; Protocol Reference</div>  </div>
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<p>An object can implement this protocol to receive responses from server from a call.  
 <a href="protocol_g_r_p_c_proto_response_handler-p.html#details">More...</a></p>

<p><code>#import &lt;<a class="el" href="_proto_r_p_c_8h_source.html">ProtoRPC.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Instance Methods</h2></td></tr>
<tr class="memitem:a97764fdcf7020efde126e692b530cf87"><td class="memItemLeft" align="right" valign="top">(void)&#160;</td><td class="memItemRight" valign="bottom">- <a class="el" href="protocol_g_r_p_c_proto_response_handler-p.html#a97764fdcf7020efde126e692b530cf87">didReceiveInitialMetadata:</a></td></tr>
<tr class="memdesc:a97764fdcf7020efde126e692b530cf87"><td class="mdescLeft">&#160;</td><td class="mdescRight">Issued when initial metadata is received from the server.  <a href="protocol_g_r_p_c_proto_response_handler-p.html#a97764fdcf7020efde126e692b530cf87">More...</a><br /></td></tr>
<tr class="separator:a97764fdcf7020efde126e692b530cf87"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5bff36689f3a8e577b102d4b91995c51"><td class="memItemLeft" align="right" valign="top">(void)&#160;</td><td class="memItemRight" valign="bottom">- <a class="el" href="protocol_g_r_p_c_proto_response_handler-p.html#a5bff36689f3a8e577b102d4b91995c51">didReceiveProtoMessage:</a></td></tr>
<tr class="memdesc:a5bff36689f3a8e577b102d4b91995c51"><td class="mdescLeft">&#160;</td><td class="mdescRight">Issued when a message is received from the server.  <a href="protocol_g_r_p_c_proto_response_handler-p.html#a5bff36689f3a8e577b102d4b91995c51">More...</a><br /></td></tr>
<tr class="separator:a5bff36689f3a8e577b102d4b91995c51"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a205a75bd87ab81f45786e0017271fb85"><td class="memItemLeft" align="right" valign="top">(void)&#160;</td><td class="memItemRight" valign="bottom">- <a class="el" href="protocol_g_r_p_c_proto_response_handler-p.html#a205a75bd87ab81f45786e0017271fb85">didCloseWithTrailingMetadata:error:</a></td></tr>
<tr class="memdesc:a205a75bd87ab81f45786e0017271fb85"><td class="mdescLeft">&#160;</td><td class="mdescRight">Issued when a call finished.  <a href="protocol_g_r_p_c_proto_response_handler-p.html#a205a75bd87ab81f45786e0017271fb85">More...</a><br /></td></tr>
<tr class="separator:a205a75bd87ab81f45786e0017271fb85"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a891b99c840b8877987c250e9e312145a"><td class="memItemLeft" align="right" valign="top">(void)&#160;</td><td class="memItemRight" valign="bottom">- <a class="el" href="protocol_g_r_p_c_proto_response_handler-p.html#a891b99c840b8877987c250e9e312145a">didWriteMessage</a></td></tr>
<tr class="memdesc:a891b99c840b8877987c250e9e312145a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Issued when flow control is enabled for the call and a message (written with writeMessage: method of <a class="el" href="interface_g_r_p_c_streaming_proto_call.html" title="A client-streaming RPC call with Protobuf.">GRPCStreamingProtoCall</a> or the initializer of <a class="el" href="interface_g_r_p_c_unary_proto_call.html" title="A unary-request RPC call with Protobuf.">GRPCUnaryProtoCall</a>) is passed to gRPC core with SEND_MESSAGE operation.  <a href="protocol_g_r_p_c_proto_response_handler-p.html#a891b99c840b8877987c250e9e312145a">More...</a><br /></td></tr>
<tr class="separator:a891b99c840b8877987c250e9e312145a"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="properties"></a>
Properties</h2></td></tr>
<tr class="memitem:a6aeda5c3b028cc8663f6865b751d8eb1"><td class="memItemLeft" align="right" valign="top">dispatch_queue_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="protocol_g_r_p_c_proto_response_handler-p.html#a6aeda5c3b028cc8663f6865b751d8eb1">dispatchQueue</a></td></tr>
<tr class="memdesc:a6aeda5c3b028cc8663f6865b751d8eb1"><td class="mdescLeft">&#160;</td><td class="mdescRight">All the responses must be issued to a user-provided dispatch queue.  <a href="protocol_g_r_p_c_proto_response_handler-p.html#a6aeda5c3b028cc8663f6865b751d8eb1">More...</a><br /></td></tr>
<tr class="separator:a6aeda5c3b028cc8663f6865b751d8eb1"><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"><p>An object can implement this protocol to receive responses from server from a call. </p>
</div><h2 class="groupheader">Method Documentation</h2>
<a id="a205a75bd87ab81f45786e0017271fb85"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a205a75bd87ab81f45786e0017271fb85">&#9670;&nbsp;</a></span>didCloseWithTrailingMetadata:error:</h2>

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          <td class="memname">- (void) didCloseWithTrailingMetadata: </td>
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          <td class="paramtype">(nullable NSDictionary *)&#160;</td>
          <td class="paramname"><em>trailingMetadata</em></td>
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        <tr>
          <td class="paramkey">error:</td>
          <td></td>
          <td class="paramtype">(nullable NSError *)&#160;</td>
          <td class="paramname"><em>error</em>&#160;</td>
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<p>Issued when a call finished. </p>
<p>If the call finished successfully, <code>error</code> is nil and <code>trailingMetadata</code> consists any trailing metadata received from the server. Otherwise, <code>error</code> is non-nil and contains the corresponding error information, including gRPC error codes and error descriptions. </p>

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<a id="a97764fdcf7020efde126e692b530cf87"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a97764fdcf7020efde126e692b530cf87">&#9670;&nbsp;</a></span>didReceiveInitialMetadata:</h2>

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          <td class="memname">- (void) didReceiveInitialMetadata: </td>
          <td></td>
          <td class="paramtype">(nullable NSDictionary *)&#160;</td>
          <td class="paramname"><em>initialMetadata</em></td>
          <td></td>
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<p>Issued when initial metadata is received from the server. </p>

</div>
</div>
<a id="a5bff36689f3a8e577b102d4b91995c51"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5bff36689f3a8e577b102d4b91995c51">&#9670;&nbsp;</a></span>didReceiveProtoMessage:</h2>

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          <td class="memname">- (void) didReceiveProtoMessage: </td>
          <td></td>
          <td class="paramtype">(nullable GPBMessage *)&#160;</td>
          <td class="paramname"><em>message</em></td>
          <td></td>
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<p>Issued when a message is received from the server. </p>
<p>The message is the deserialized proto object. </p>

</div>
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<a id="a891b99c840b8877987c250e9e312145a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a891b99c840b8877987c250e9e312145a">&#9670;&nbsp;</a></span>didWriteMessage</h2>

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  <td class="mlabels-left">
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          <td class="memname">- (void) didWriteMessage </td>
          <td></td>
          <td class="paramname"></td>
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<p>Issued when flow control is enabled for the call and a message (written with writeMessage: method of <a class="el" href="interface_g_r_p_c_streaming_proto_call.html" title="A client-streaming RPC call with Protobuf.">GRPCStreamingProtoCall</a> or the initializer of <a class="el" href="interface_g_r_p_c_unary_proto_call.html" title="A unary-request RPC call with Protobuf.">GRPCUnaryProtoCall</a>) is passed to gRPC core with SEND_MESSAGE operation. </p>

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<h2 class="groupheader">Property Documentation</h2>
<a id="a6aeda5c3b028cc8663f6865b751d8eb1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6aeda5c3b028cc8663f6865b751d8eb1">&#9670;&nbsp;</a></span>dispatchQueue</h2>

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          <td class="memname">- (dispatch_queue_t) dispatchQueue</td>
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  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">read</span><span class="mlabel">required</span><span class="mlabel">atomic</span><span class="mlabel">assign</span></span>  </td>
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<p>All the responses must be issued to a user-provided dispatch queue. </p>
<p>This property specifies the dispatch queue to be used for issuing the notifications. </p>

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<hr/>The documentation for this protocol was generated from the following file:<ul>
<li>src/objective-c/ProtoRPC/<a class="el" href="_proto_r_p_c_8h_source.html">ProtoRPC.h</a></li>
</ul>
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