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  <h1>Broker</h1>

<div class="doc doc-object doc-module">


<a id="streampipes.functions.broker.broker"></a>
  <div class="doc doc-contents first">

  
  <div class="doc doc-children">


<div class="doc doc-object doc-class">


<h2 id="streampipes.functions.broker.broker.Broker" class="doc doc-heading">
        <code>Broker</code>


<a href="#streampipes.functions.broker.broker.Broker" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><span title="abc.ABC">ABC</span></code></p>

  
      <p>Abstract implementation of a broker.</p>
<p>A broker allows both to subscribe to a data stream and to publish events to a data stream.</p>


  <div class="doc doc-children">


<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.broker.broker.Broker.connect" class="doc doc-heading">
<code class="highlight language-python"><span class="n">connect</span><span class="p">(</span><span class="n">data_stream</span><span class="p">)</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-async"><code>async</code></small>
  </span>

<a href="#streampipes.functions.broker.broker.Broker.connect" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Connects to the broker running in StreamPipes.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>data_stream</code></td>
          <td class="doc-param-details">
            <p>Contains the meta information (resources) for a data stream.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><a class="autorefs autorefs-internal" title="streampipes.model.resource.data_stream.DataStream" href="../../../model/resource/data_stream/#streampipes.model.resource.data_stream.DataStream">DataStream</a></code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.broker.broker.Broker.createSubscription" class="doc doc-heading">
<code class="highlight language-python"><span class="n">createSubscription</span><span class="p">()</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-async"><code>async</code></small>
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.broker.broker.Broker.createSubscription" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Creates a subscription to a data stream.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.broker.broker.Broker.disconnect" class="doc doc-heading">
<code class="highlight language-python"><span class="n">disconnect</span><span class="p">()</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-async"><code>async</code></small>
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.broker.broker.Broker.disconnect" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Closes the connection to the server.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.broker.broker.Broker.get_message" class="doc doc-heading">
<code class="highlight language-python"><span class="n">get_message</span><span class="p">()</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.broker.broker.Broker.get_message" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Get the published messages of the subscription.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <code>iterator</code>
          </td>
          <td class="doc-returns-details">
            <p>An async iterator for the messages.</p>
              <p>
                <span class="doc-returns-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.AsyncIterator">AsyncIterator</span></code>
                </span>
              </p>
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.broker.broker.Broker.publish_event" class="doc doc-heading">
<code class="highlight language-python"><span class="n">publish_event</span><span class="p">(</span><span class="n">event</span><span class="p">)</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-async"><code>async</code></small>
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.broker.broker.Broker.publish_event" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Publish an event to a connected data stream.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>event</code></td>
          <td class="doc-param-details">
            <p>The event to be published.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.Dict">Dict</span>[str, <span title="typing.Any">Any</span>]</code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>


  </div>

  </div>

</div>


  </div>

  </div>

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