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  <h1>Source code for grpc.framework.common.cardinality</h1><div class="highlight"><pre>
<span></span><span class="c1"># Copyright 2015, Google Inc.</span>
<span class="c1"># All rights reserved.</span>
<span class="c1">#</span>
<span class="c1"># Redistribution and use in source and binary forms, with or without</span>
<span class="c1"># modification, are permitted provided that the following conditions are</span>
<span class="c1"># met:</span>
<span class="c1">#</span>
<span class="c1">#     * Redistributions of source code must retain the above copyright</span>
<span class="c1"># notice, this list of conditions and the following disclaimer.</span>
<span class="c1">#     * Redistributions in binary form must reproduce the above</span>
<span class="c1"># copyright notice, this list of conditions and the following disclaimer</span>
<span class="c1"># in the documentation and/or other materials provided with the</span>
<span class="c1"># distribution.</span>
<span class="c1">#     * Neither the name of Google Inc. nor the names of its</span>
<span class="c1"># contributors may be used to endorse or promote products derived from</span>
<span class="c1"># this software without specific prior written permission.</span>
<span class="c1">#</span>
<span class="c1"># THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<span class="c1"># &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<span class="c1"># LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<span class="c1"># A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<span class="c1"># OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<span class="c1"># SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<span class="c1"># LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<span class="c1"># DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<span class="c1"># THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<span class="c1"># (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<span class="c1"># OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>

<span class="sd">&quot;&quot;&quot;Defines an enum for classifying RPC methods by streaming semantics.&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">enum</span>


<span class="nd">@enum.unique</span>
<div class="viewcode-block" id="Cardinality"><a class="viewcode-back" href="../../../../grpc.framework.common.html#grpc.framework.common.cardinality.Cardinality">[docs]</a><span class="k">class</span> <span class="nc">Cardinality</span><span class="p">(</span><span class="n">enum</span><span class="o">.</span><span class="n">Enum</span><span class="p">):</span>
  <span class="sd">&quot;&quot;&quot;Describes the streaming semantics of an RPC method.&quot;&quot;&quot;</span>

  <span class="n">UNARY_UNARY</span> <span class="o">=</span> <span class="s1">&#39;request-unary/response-unary&#39;</span>
  <span class="n">UNARY_STREAM</span> <span class="o">=</span> <span class="s1">&#39;request-unary/response-streaming&#39;</span>
  <span class="n">STREAM_UNARY</span> <span class="o">=</span> <span class="s1">&#39;request-streaming/response-unary&#39;</span>
  <span class="n">STREAM_STREAM</span> <span class="o">=</span> <span class="s1">&#39;request-streaming/response-streaming&#39;</span></div>
</pre></div>

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