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  <h1>Source code for grpc.framework.common.cardinality</h1><div class="highlight"><pre>
<span></span><span class="c1"># Copyright 2015 gRPC authors.</span>
<span class="c1">#</span>
<span class="c1"># Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span>
<span class="c1"># you may not use this file except in compliance with the License.</span>
<span class="c1"># You may obtain a copy of the License at</span>
<span class="c1">#</span>
<span class="c1">#     http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="c1">#</span>
<span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
<span class="c1"># distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span>
<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="c1"># See the License for the specific language governing permissions and</span>
<span class="c1"># limitations under the License.</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>


<div class="viewcode-block" id="Cardinality"><a class="viewcode-back" href="../../../../grpc.framework.common.html#grpc.framework.common.cardinality.Cardinality">[docs]</a><span class="nd">@enum</span><span class="o">.</span><span class="n">unique</span>
<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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